PHD finger superfamily; The PHD finger superfamily includes a canonical plant homeodomain (PHD) finger typically characterized as Cys4HisCys3, and a non-canonical extended PHD finger, characterized as Cys2HisCys5HisCys2His. Variations include the RAG2 PHD finger characterized by Cys3His2Cys2His and the PHD finger 5 found in nuclear receptor-binding SET domain-containing proteins characterized by Cys4HisCys2His. The PHD finger is also termed LAP (leukemia-associated protein) motif or TTC (trithorax consensus) domain. Single or multiple copies of PHD fingers have been found in a variety of eukaryotic proteins involved in the control of gene transcription and chromatin dynamics. PHD fingers can recognize the unmodified and modified histone H3 tail, and some have been found to interact with non-histone proteins. They also function as epigenome readers controlling gene expression through molecular recruitment of multi-protein complexes of chromatin regulators and transcription factors. The PHD finger domain SF is structurally similar to the RING and FYVE_like superfamilies.

                           10        20        30        40        50
                   ....*....|....*....|....*....|....*....|....*....|....*....
gi 1625649047  212 PIPICSFCLGTKESNREKKPEELLSCADCGSSGHPSCLKFCPELTTNVKALRWQCIECK 270
Cdd:cd15689      1 PIPICSFCLGTKESNREKKPEELLSCADCGSSGHPSCLKFCPELTANVKALRWQCIECK 59

Domain in histone families 1 and 5;

                            10        20        30        40        50
                    ....*....|....*....|....*....|....*....|....*....|....*
gi 1625649047   113 RAIEGLEEPNGSSLKNIEKYLRSQSDLTSttnnPAFQQRLRLGAKRAVNNGRLLK 167
Cdd:smart00526   13 EAISALKERKGSSLQAIKKYIEANYKVLP----NNFRKLLKLALKRLVASGKLVQ 63

MOZ/SAS family; This region of these proteins has been suggested to be homologous to acetyltransferases.

                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1625649047  421 PPANEIYRRKDLSVFEVDGNMSKIYCQNLCLLAKLFLDHKTLYYDVEPFLFYVLTKNDEKGCHLVGYFSKEKLCQQKYNV 500
Cdd:pfam01853    1 PPGNEIYRKGNISIFEVDGRKQKLYCQNLCLLAKLFLDHKTLYYDVEPFLFYVLTETDETGCHIVGYFSKEKESSDNYNL 80

                           90       100       110       120       130       140       150       160
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1625649047  501 SCIMIMPQHQRQGFGRFLIDFSYLLSRREGQAGSPEKPLSDLGRLSYLAYWKSVILEYLYHHHERHISIKAISRATGMCP 580
Cdd:pfam01853   81 ACILTLPPYQRKGYGKLLIEFSYELSKREGKIGGPEKPLSDLGLLSYRSYWSEVILEYLLKHRKEGISIEDISKATGITP 160

                          170
                   ....*....|....*...
gi 1625649047  581 HDIATTLQHLHMIDKRDG 598
Cdd:pfam01853  161 EDIISTLQSLNMLKYYKG 178

PHD finger 1 found in monocytic leukemia zinc finger protein-related factor (MORF); MORF, also termed MOZ2, or histone acetyltransferase KAT6B, or MOZ, YBF2/SAS3, SAS2 and TIP60 protein 4 (MYST4), is a ubiquitously expressed transcriptional regulator with intrinsic histone acetyltransferase (HAT) activity. It can interact with the Runt-domain transcription factor Runx2 and form a tetrameric complex with BRPFs, ING5, and EAF6. MORF and monocytic leukemia zinc-finger protein (MOZ) are catalytic subunits of HAT complexes that are required for normal developmental programs, such as hematopoiesis, neurogenesis, and skeletogenesis, and are also implicated in human leukemias. MORF contains an N-terminal region containing two plant homeodomain (PHD) fingers, a putative HAT domain, an acidic region, and a C-terminal Ser/Met-rich domain. The model corresponds to the first PHD finger.

                           10        20        30        40        50
                   ....*....|....*....|....*....|....*....|....*....|....*....
gi 1625649047  212 PIPICSFCLGTKESNREKKPEELLSCADCGSSGHPSCLKFCPELTTNVKALRWQCIECK 270
Cdd:cd15689      1 PIPICSFCLGTKESNREKKPEELLSCADCGSSGHPSCLKFCPELTANVKALRWQCIECK 59

Domain in histone families 1 and 5;

                            10        20        30        40        50
                    ....*....|....*....|....*....|....*....|....*....|....*
gi 1625649047   113 RAIEGLEEPNGSSLKNIEKYLRSQSDLTSttnnPAFQQRLRLGAKRAVNNGRLLK 167
Cdd:smart00526   13 EAISALKERKGSSLQAIKKYIEANYKVLP----NNFRKLLKLALKRLVASGKLVQ 63

PHD-finger; PHD folds into an interleaved type of Zn-finger chelating 2 Zn ions in a similar manner to that of the RING and FYVE domains. Several PHD fingers have been identified as binding modules of methylated histone H3.

                           10        20        30        40        50
                   ....*....|....*....|....*....|....*....|....*....|....*...
gi 1625649047  215 ICSFClgtkesNREKKPEELLSCADCGSSGHPSCLKFcPELTTNVKALRWQCIECKTC 272
Cdd:pfam00628    1 YCAVC------GKSDDGGELVQCDGCDDWFHLACLGP-PLDPAEIPSGEWLCPECKPK 51

PHD zinc finger; The plant homeodomain (PHD) finger is a C4HC3 zinc-finger-like motif found in nuclear proteins thought to be involved in epigenetics and chromatin-mediated transcriptional regulation. The PHD finger binds two zinc ions using the so-called 'cross-brace' motif and is thus structurally related to the RING finger and the FYVE finger. It is not yet known if PHD fingers have a common molecular function. Several reports suggest that it can function as a protein-protein interacton domain and it was recently demonstrated that the PHD finger of p300 can cooperate with the adjacent BROMO domain in nucleosome binding in vitro. Other reports suggesting that the PHD finger is a ubiquitin ligase have been refuted as these domains were RING fingers misidentified as PHD fingers.

                            10        20        30        40        50
                    ....*....|....*....|....*....|....*....|....*....|....*
gi 1625649047   215 ICSFClgtkesNREKKPEELLSCADCGSSGHPSCLKfcPELTTNVKALRWQCIEC 269
Cdd:smart00249    1 YCSVC------GKPDDGGELLQCDGCDRWYHQTCLG--PPLLEEEPDGKWYCPKC 47

MOZ/SAS family; This region of these proteins has been suggested to be homologous to acetyltransferases.

                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1625649047  421 PPANEIYRRKDLSVFEVDGNMSKIYCQNLCLLAKLFLDHKTLYYDVEPFLFYVLTKNDEKGCHLVGYFSKEKLCQQKYNV 500
Cdd:pfam01853    1 PPGNEIYRKGNISIFEVDGRKQKLYCQNLCLLAKLFLDHKTLYYDVEPFLFYVLTETDETGCHIVGYFSKEKESSDNYNL 80

                           90       100       110       120       130       140       150       160
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1625649047  501 SCIMIMPQHQRQGFGRFLIDFSYLLSRREGQAGSPEKPLSDLGRLSYLAYWKSVILEYLYHHHERHISIKAISRATGMCP 580
Cdd:pfam01853   81 ACILTLPPYQRKGYGKLLIEFSYELSKREGKIGGPEKPLSDLGLLSYRSYWSEVILEYLLKHRKEGISIEDISKATGITP 160

                          170
                   ....*....|....*...
gi 1625649047  581 HDIATTLQHLHMIDKRDG 598
Cdd:pfam01853  161 EDIISTLQSLNMLKYYKG 178

probable histone acetyltransferase MYST; Provisional

                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1625649047  366 SVIEFGKYEIQTWYSSPYPQEYARLPKLYLCEFCLKYMKSKNILLRHSKKCGWFHPPANEIYRRKD---LSVFEVDGNMS 442
Cdd:PLN03238    21 EMIELGKYEMDTWYYSPYPEPYASCTKLYICEYCLKYMRKKKSLLRHLAKCDIRQPPGGGIYGAVTegpLSVFEVDGKKA 100

                           90       100       110       120       130       140       150       160
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1625649047  443 KIYCQNLCLLAKLFLDHKTLYYDVEPFLFYVLTKNDEKGCHLVGYFSKEKLCQQKYNVSCIMIMPQHQRQGFGRFLIDFS 522
Cdd:PLN03238   101 KVYCQNLCLLAKLFLDHKTLYYDVDPFLFYVMTEVDDHGSHIVGYFSKEKVSAEDYNLACILTLPPYQRKGYGKFLISFA 180

                          170       180       190       200       210       220       230       240
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1625649047  523 YLLSRREGQAGSPEKPLSDLGRLSYLAYWKSVILEYLyHHHERHISIKAISRATGMCPHDIATTLQHLHMIDKRDGRFVI 602
Cdd:PLN03238   181 YELSKREGKVGTPERPLSDLGKVSFRSYWTRVLLEQL-RDVKGDVSIKDLSLATGIRGEDIVSTLQSLNLIKYWKGQHVI 259

                          250       260       270
                   ....*....|....*....|....*....|...
gi 1625649047  603 IRREKLILSHMeKLKTCSRANELDPDslRWTPI 635
Cdd:PLN03238   260 HVDQRVLDEHW-AKFAHQRVIEVDCL--HWQPL 289

histone acetyltransferase; Provisional

                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1625649047  366 SVIEFGKYEIQTWYSSPYPQEYARLPKLYLCEFCLKYMKSKNILLRHSKKCGWFHPPANEIYRRKDLSVFEVDGNMSKIY 445
Cdd:PTZ00064   253 GRVRIGKFILDTWYFSPLPDEYQNVDTLHFCEYCLDFFCFEDELIRHLSRCQLRHPPGNEIYRKDNISVFEIDGALTRGY 332

                           90       100       110       120       130       140       150       160
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1625649047  446 CQNLCLLAKLFLDHKTLYYDVEPFLFYVLTKNDEKGCHLVGYFSKEKLCQQKYNVSCIMIMPQHQRQGFGRFLIDFSYLL 525
Cdd:PTZ00064   333 AENLCYLAKLFLDHKTLQYDVEPFLFYIVTEVDEEGCHIVGYFSKEKVSLLHYNLACILTLPCYQRKGYGKLLVDLSYKL 412

                          170       180       190       200       210       220       230       240
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1625649047  526 SRREGQAGSPEKPLSDLGRLSYLAYWKSVILEYLYHHHERH------------------ISIKAISRATGMCPHDIATTL 587
Cdd:PTZ00064   413 SLKEGKWGHPERPLSDLGRAIYNNWWAHRISEYLLEYFKQNkicerggskqplqvsnywKFIDNVVRSTGIRREDVIRIL 492

                          250       260       270       280       290
                   ....*....|....*....|....*....|....*....|....*....|..
gi 1625649047  588 QHlhmidkrDGRFVIIRREKLILSHMEKLKTCSRAN-----ELDPDSLRWTP 634
Cdd:PTZ00064   493 EE-------NGIMRNIKDQHYIFCNQEFLKGIVKRSgrpgiTLIDKYFNWVP 537

PHD finger 1 found in monocytic leukemia zinc-finger protein (MOZ) and its factor (MORF); MOZ (also termed histone acetyltransferase KAT6A, YBF2/SAS3, SAS2 and TIP60protein 3 (MYST-3), runt-related transcription factor-binding protein 2, or zinc finger protein 220) is a MYST-type histone acetyltransferase (HAT) that functions as a coactivator for acute myeloid leukemia 1 protein (AML1)- and p53-dependent transcription. It possesses intrinsic HAT activity to acetylate both itself and lysine (K) residues on histone H2B, histone H3 (K14) and histone H4 (K5, K8, K12 and K16) in vitro and H3K9 in vivo. MOZ-related factor (MORF), also termed MOZ2, or histone acetyltransferase KAT6B, or MOZ, YBF2/SAS3, SAS2 and TIP60 protein 4 (MYST4), is a ubiquitously expressed transcriptional regulator with intrinsic HAT activity. It can interact with the Runt-domain transcription factor Runx2 and form a tetrameric complex with BRPFs, ING5, and EAF6. Both MOZ and MORF are catalytic subunits of HAT complexes that are required for normal developmental programs, such as hematopoiesis, neurogenesis, and skeletogenesis, and are also implicated in human leukemias. MOZ is also the catalytic subunit of a tetrameric inhibitor of growth 5 (ING5) complex, which specifically acetylates nucleosomal histone H3K14. Moreover, MOZ and MORF are involved in regulating transcriptional activation mediated by Runx2 (or Cbfa1), a Runt-domain transcription factor known to play important roles in T cell lymphomagenesis and bone development, and its homologs. MOZ contains a linker histone 1 and histone 5 domains and two plant homeodomain (PHD) fingers. In contrast, MORF contains an N-terminal region containing two PHD fingers, a putative HAT domain, an acidic region, and a C-terminal Ser/Met-rich domain. The model corresponds to the first PHD finger.

                           10        20        30        40        50
                   ....*....|....*....|....*....|....*....|....*....|....*...
gi 1625649047  212 PIPICSFCLGTKESNREKKPEELLSCADCGSSGHPSCLKFCPELTTNVKALRWQCIEC 269
Cdd:cd15618      1 PIPICSFCLGTAEKNRDGKPEELLSCADCGNSGHPSCLKYSPELTERVKALRWQCIEC 58

PHD finger 1 found in monocytic leukemia zinc-finger protein (MOZ), its factor (MORF), and d4 gene family proteins; MOZ is a MYST-type histone acetyltransferase (HAT) that functions as a coactivator for acute myeloid leukemia 1 protein (AML1)- and p53-dependent transcription. It possesses intrinsic HAT activity and to acetylate both itself and lysine (K) residues on histone H2B, histone H3 (K14) and histone H4 (K5, K8, K12 and K16) in vitro and H3K9 in vivo. MOZ-related factor (MORF) is a ubiquitously expressed transcriptional regulator with intrinsic HAT activity. It can interact with the Runt-domain transcription factor Runx2 and form a tetrameric complex with BRPFs, ING5, and EAF6. Both MOZ and MORF are catalytic subunits of HAT complexes that are required for normal developmental programs, such as hematopoiesis, neurogenesis, and skeletogenesis, and are implicated in human leukemias. MOZ is also the catalytic subunit of a tetrameric inhibitor of growth 5 (ING5) complex, which specifically acetylates nucleosomal histone H3K14. Moreover, MOZ and MORF are involved in regulating transcriptional activation mediated by Runx2 (or Cbfa1), a Runt-domain transcription factor known to play important roles in T cell lymphoma genesis and bone development, and its homologs. This family also includes three members of the d4 gene family, DPF1 (neuro-d4), DPF2 (ubi-d4/Requiem), and DPF3 (cer-d4), which function as transcription factors and are involved in transcriptional regulation of genes via changing the condensed/decondensed state of chromatin in nucleus. DPF2 is ubiquitously expressed and it acts as a transcription factor that may participate in developmentally programmed cell death. DPF1 and DPF3 are expressed predominantly in neural tissues, and they may be involved in the transcription regulation of neuro specific gene clusters. All family members contain two plant homeodomain (PHD) fingers. This model corresponds to the first PHD finger.

                           10        20        30        40        50
                   ....*....|....*....|....*....|....*....|....*....|....*.
gi 1625649047  215 ICSFCLGTKE-SNREKKPEELLSCADCGSSGHPSCLKFCPELTTNVKALRWQCIEC 269
Cdd:cd15526      1 ICDFCLGTDEkNNKTGEPEELISCADCGSSGHPSCLKFSPGLTDAVKSYRWQCIEC 56

PHD finger 1 found in d4 gene family proteins; The family includes proteins coded by three members of the d4 gene family, DPF1 (neuro-d4), DPF2 (ubi-d4/Requiem), and DPF3 (cer-d4), which function as transcription factors and are involved in transcriptional regulation of genes by changing the condensed/decondensed state of chromatin in the nucleus. DPF2 is ubiquitously expressed and it acts as a transcription factor that may participate in developmentally programmed cell death. DPF1 and DPF3 are expressed predominantly in neural tissues, and they may be involved in the transcription regulation of neuro-specific gene clusters. The d4 family proteins show distinct domain organization with domain 2/3 in the N-terminal region, a Cys2His2 (C2H2) zinc finger or Kruppel-type zinc finger in the central part and two adjacent plant homeodomain (PHD) fingers (d4-domain) in the C-terminal part of the molecule. This model corresponds to the first PHD finger.

                           10        20        30        40        50
                   ....*....|....*....|....*....|....*....|....*....|....*
gi 1625649047  216 CSFCLG-TKESNREKKPEELLSCADCGSSGHPSCLKFCPELTTNVKALRWQCIEC 269
Cdd:cd15619      2 CDFCLGdAKENKKTGQPEELVSCSDCGRSGHPSCLQFTPNMTISVKKYRWQCIEC 56

PHD finger 1 found in D4, zinc and double PHD fingers family 2 (DPF2); DPF2 (also termed zinc finger protein ubi-d4, apoptosis response zinc finger protein, BRG1-associated factor 45D (BAF45D), or protein requiem) is a transcription factor that is encoded by the ubiquitously expressed gene, ubi-d4, and may be involved in leukemia or other cancers with other genes connected with cancer. It recognizes acetylated histone H3 and suppresses the function of estrogen-related receptor alpha (ERRalpha) through histone deacetylase 1 (HDAC1). Moreover, DPF2 functions as a linker protein between the SWI/SNF complex and RelB/p52 NF-kappaB heterodimer and plays important roles in NF-kappaB transactivation via its non-canonical pathway. It is also required as a transcriptional coactivator in SWI/SNF complex-dependent activation of NF-kappaB RelA/p50 heterodimer. DPF2 contains a nuclear localization signal in the N-terminal region, a Cys2His2 (C2H2) zinc finger or Kruppel-type zinc-finger and a sequence of negatively charged amino acids in the central region, and a cysteine/histidine-rich region that is composed of two adjacent plant homeodomain (PHD) fingers (d4-domain) in the C-terminal part of the molecule. This subfamily also includes DPF3 from zebrafish. This model describes the first PHD finger.

                           10        20        30        40        50
                   ....*....|....*....|....*....|....*....|....*....|....*
gi 1625649047  216 CSFCLGTKESNREK-KPEELLSCADCGSSGHPSCLKFCPELTTNVKALRWQCIEC 269
Cdd:cd15691      2 CDFCLGDSKINKKTgQPEELVSCSDCGRSGHPSCLQFTPVMMAAVKTYRWQCIEC 56

PHD finger 1 found in D4, zinc and double PHD fingers family 1 (DPF1); DPF1, also termed zinc finger protein neuro-d4, or BRG1-associated factor 45B (BAF45B), is encoded by a neuro specific gene, neuro-d4. It may be involved in the transcription regulation of neuro specific gene clusters. DPF1 contains a nuclear localization signal in the N-terminal region, a Cys2His2 (C2H2) zinc finger or Kruppel-type zinc-finger and a sequence of negatively charged amino acids in the central, and a cysteine/histidine-rich region that is composed of two adjacent plant homeodomain (PHD)-fingers (d4-domain) in the C-terminal part of the molecule. The family corresponds to the first PHD finger.

                           10        20        30        40        50
                   ....*....|....*....|....*....|....*....|....*....|....*....
gi 1625649047  212 PIPICSFCLGTkeSNREKKPEELLSCADCGSSGHPSCLKFCPELTTNVKALRWQCIECK 270
Cdd:cd15690      2 PNGYCDFCLGG--AKKTGCPEDLISCADCGRSGHPSCLQFTVNMTAAVRTYRWQCIECK 58

PHD finger found in bromodomain adjacent to zinc finger domain protein 1A (BAZ1A); BAZ1A, also termed ATP-dependent chromatin-remodeling protein, or ATP-utilizing chromatin assembly and remodeling factor 1 (ACF1), or CHRAC subunit ACF1, or Williams syndrome transcription factor-related chromatin-remodeling factor 180 (WCRF180), or WALp1, is a subunit of the conserved imitation switch (ISWI)-family ATP-dependent chromatin assembly and remodeling factor (ACF)/chromatin accessibility complex (CHRAC) chromatin remodeling complex, which is required for DNA replication through heterochromatin. It alters the remodeling properties of the ATPase motor protein sucrose nonfermenting-2 homolog (SNF2H). Moreover, BAZ1A and its complexes play important roles in DNA double-strand break (DSB) repair. It is essential for averting improper gene expression during spermatogenesis. It also regulates transcriptional repression of vitamin D3 receptor-regulated genes. BAZ1A contains a WAC motif, a DDT domain, BAZ 1 and BAZ 2 motifs, a WAKZ (WSTF/Acf1/KIAA0314/ZK783.4) motif, a plant homeodomain (PHD) finger, and a bromodomain.

                           10        20        30
                   ....*....|....*....|....*....|....*....
gi 1625649047  272 CSACRVQGrNADNMLFCDSCDRGFHMECCDPPLSRMPKD 310
Cdd:cd15627      2 CRICRRKG-DAEKMLLCDGCDRGHHMYCLRPPLKKVPEG 39

PHD finger found in bromodomain adjacent to zinc finger domain protein 2A (BAZ2A) and 2B (BAZ2B); BAZ2A, also termed transcription termination factor I-interacting protein 5 (TTF-I-interacting protein 5, or Tip5), or WALp3, is an epigenetic regulator. It has been implicated in epigenetic rRNA gene silencing, as the large subunit of the SNF2h-containing chromatin-remodeling complex NoRC that induces nucleosome sliding in an ATP- and histone H4 tail-dependent fashion. BAZ2A has also been shown to be broadly overexpressed in prostate cancer, to regulate numerous protein-coding genes and to cooperate with EZH2 (enhancer of zeste homolog 2) to maintain epigenetic silencing at genes repressed in prostate cancer metastasis. Its overexpression is tightly associated with a prostate cancer subtype displaying CpG island methylator phenotype (CIMP) in tumors and with prostate cancer recurrence in patients. BAZ2B, also termed WALp4, is a bromodomain-containing protein whose biological role is still elusive. It shows high sequence similarly with BAZ2A. Both BAZ2A and BAZ2B contain a TAM (TIP5/ARBP/MBD) domain, a DDT domain, four AT-hooks, BAZ 1 and BAZ 2 motifs, a WAKZ (WSTF/Acf1/KIAA0314/ZK783.4) motif, a plant homeodomain (PHD) finger, and a bromodomain. BAZ2B also harbors an extra Apolipophorin-III like domain in its N-terminal region.

                           10        20        30
                   ....*....|....*....|....*....|....*....
gi 1625649047  271 TCSACRvQGRNADNMLFCDSCDRGFHMECCDPPLSRMPK 309
Cdd:cd15545      1 SCQICR-SGDNEDQLLLCDGCDRGYHTYCFKPKMTNVPE 38

PHD finger found in Remodeling and spacing factor 1 (Rsf-1); Rsf-1, also termed HBV pX-associated protein 8, or Hepatitis B virus X-associated protein alpha (HBxAPalpha), or p325 subunit of RSF chromatin-remodeling complex, is a novel nuclear protein with histone chaperon function. It is a subunit of an ISWI chromatin remodeling complex, remodeling and spacing factor (RSF), and plays a role in mediating ATPase-dependent chromatin remodeling and conferring tumor aggressiveness in common carcinomas. As an ataxia-telangiectasia mutated (ATM)-dependent chromatin remodeler, Rsf-1 facilitates DNA damage checkpoints and homologous recombination repair. It regulates the mitotic spindle checkpoint and chromosome instability through the association with serine/threonine kinase BubR1 (BubR1) and Hepatitis B virus (HBV) X protein (HBx) in the chromatin fraction during mitosis. It also interacts with cyclin E1 and promotes tumor development. Rsf-1 contains a plant homeodomain (PHD) finger.

                           10        20        30
                   ....*....|....*....|....*....|....*...
gi 1625649047  272 CSACRvQGRNADNMLFCDSCDRGFHMECCDPPLSRMPK 309
Cdd:cd15543      2 CRKCG-LSDHPEWILLCDRCDAGYHTACLRPPLMIIPD 38

PHD finger superfamily; The PHD finger superfamily includes a canonical plant homeodomain (PHD) finger typically characterized as Cys4HisCys3, and a non-canonical extended PHD finger, characterized as Cys2HisCys5HisCys2His. Variations include the RAG2 PHD finger characterized by Cys3His2Cys2His and the PHD finger 5 found in nuclear receptor-binding SET domain-containing proteins characterized by Cys4HisCys2His. The PHD finger is also termed LAP (leukemia-associated protein) motif or TTC (trithorax consensus) domain. Single or multiple copies of PHD fingers have been found in a variety of eukaryotic proteins involved in the control of gene transcription and chromatin dynamics. PHD fingers can recognize the unmodified and modified histone H3 tail, and some have been found to interact with non-histone proteins. They also function as epigenome readers controlling gene expression through molecular recruitment of multi-protein complexes of chromatin regulators and transcription factors. The PHD finger domain SF is structurally similar to the RING and FYVE_like superfamilies.

                           10        20        30        40
                   ....*....|....*....|....*....|....*....|
gi 1625649047  271 TCSACRVQGRNADNMLFCDSCDRGFHMECCDPPLSRMPKD 310
Cdd:cd15489      1 SCIVCGKGGDLGGELLQCDGCGKWFHADCLGPPLSSFVPN 40

PHD finger found in PHD and RING finger domain-containing protein 1 (PHRF1); PHRF1, also termed KIAA1542, or CTD-binding SR-like protein rA9, is a ubiquitin ligase that induces the ubiquitination of TGIF (TG-interacting factor) at lysine 130. It acts as a tumor suppressor that promotes the transforming growth factor (TGF)-beta cytostatic program through selective release of TGIF-driven promyelocytic leukemia protein (PML) inactivation. PHRF1 contains a plant homeodomain (PHD) finger and a RING finger.

                           10        20        30
                   ....*....|....*....|....*....|....*...
gi 1625649047  275 CRVQGR--NADNMLFCDSCDRGFHMECCDPPLSRMPKD 310
Cdd:cd15536      2 CEVCGRsdREDRLLLCDGCDAGYHMECLTPPLDEVPIE 39

PHD finger 2 found in d4 gene family proteins; The family includes proteins coded by three members of the d4 gene family, DPF1 (neuro-d4), DPF2 (ubi-d4/Requiem), and DPF3 (cer-d4), which function as transcription factors and are involved in transcriptional regulation of genes by changing the condensed/decondensed state of chromatin in the nucleus. DPF2 is ubiquitously expressed and it acts as a transcription factor that may participate in developmentally programmed cell death. DPF1 and DPF3 are expressed predominantly in neural tissues, and they may be involved in the transcription regulation of neuro-specific gene clusters. The d4 family proteins show distinct domain organization with domain 2/3 in the N-terminal region, a Cys2His2 (C2H2) zinc finger or Kruppel-type zinc finger in the central part and two adjacent plant homeodomain (PHD) fingers (d4-domain) in the C-terminal part of the molecule. This model corresponds to the second PHD finger.

                           10        20        30        40
                   ....*....|....*....|....*....|....*....|.
gi 1625649047  271 TCSACRVQgRNADNMLFCDSCDRGFHMECCDPPLSRMPKDT 311
Cdd:cd15530      1 SCSLCGTS-ENDDQLLFCDDCDRGYHMYCLSPPMSEPPEGS 40

PHD finger 2 found in PHD finger protein 14 (PHF14) and similar proteins; PHF14 is a novel nuclear transcription factor that controls the proliferation of mesenchymal cells by directly repressing platelet-derived growth factor receptor-alpha (PDGFRalpha) expression. It also acts as an epigenetic regulator and plays an important role in the development of multiple organs in mammals. PHF14 contains three canonical plant homeodomain (PHD) fingers and a non-canonical extended PHD (ePHD) finger, Cys2HisCys5HisCys2His. It can interact with histones through its PHD fingers. The model corresponds to the second PHD finger.

                           10        20        30        40
                   ....*....|....*....|....*....|....*....|....
gi 1625649047  268 ECKTCSACRVQGRnadnMLFCDSCDRGFHMECCDPPLSRMPKDT 311
Cdd:cd15562      1 SCGICKKSNDQHL----LALCDTCKLYYHLGCLDPPLTRMPKKT 40

PHD finger found in ubiquitin-like PHD and RING finger domain-containing protein 1 (UHRF1); UHRF1 (also termed inverted CCAAT box-binding protein of 90 kDa, nuclear protein 95, nuclear zinc finger protein Np95 (Np95), RING finger protein 106, transcription factor ICBP90, or E3 ubiquitin-protein ligase UHRF1) is a unique chromatin effector protein that integrates the recognition of both histone PTMs and DNA methylation. It is essential for cell proliferation and plays a critical role in the development and progression of many human carcinomas, such as laryngeal squamous cell carcinoma (LSCC), gastric cancer (GC), esophageal squamous cell carcinoma (ESCC), colorectal cancer, prostate cancer, and breast cancer. UHRF1 acts as a transcriptional repressor through its binding to histone H3 when it is unmodified at Arg2. Its overexpression in human lung fibroblasts results in downregulation of expression of the tumour suppressor pRB. It also plays a role in transcriptional repression of the cell cycle regulator p21. Moreover, UHRF1-dependent repression of transcription factors can facilitate the G1-S transition. It interacts with Tat-interacting protein of 60 kDa (TIP60) and induces degradation-independent ubiquitination of TIP60. It is also an N-methylpurine DNA glycosylase (MPG)-interacting protein that binds MPG in a p53 status-independent manner in the DNA base excision repair (BER) pathway. In addition, UHRF1 functions as an epigenetic regulator that is important for multiple aspects of epigenetic regulation, including maintenance of DNA methylation patterns and recognition of various histone modifications. UHRF1 contains an N-terminal ubiquitin-like domain (UBL), a tandem Tudor domain (TTD), a plant homeodomain (PHD) finger, a SET and RING finger associated (SRA) domain, and a C-terminal RING-finger domain. It specifically binds to hemimethylated DNA, double-stranded CpG dinucleotides, and recruits the maintenance methyltransferase DNMT1 to its hemimethylated DNA substrate through its SRA domain. UHRF1-dependent H3K23 ubiquitylation has an essential role in maintaining DNA methylation and replication. The tandem Tudor domain directs UHRF1 binding to the heterochromatin mark histone H3K9me3 and the PHD finger targets UHRF1 to unmodified histone H3 in euchromatic regions. The RING-finger domain exhibit both autocatalytic E3 ubiquitin (Ub) ligase activity and activity against histone H3 and DNMT1.

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                   ....*....|....*....|....*....|....*....|.
gi 1625649047  274 ACRVQG--RNADNMLFCDSCDRGFHMECCDPPLSRMPKDTE 312
Cdd:cd15616      1 ACHVCGgkQDPDKQLMCDECDMAFHIYCLNPPLSSIPDDED 41

PHD finger 3 found in PHD finger protein 14 (PHF14) and similar proteins; PHF14 is a novel nuclear transcription factor that controls the proliferation of mesenchymal cells by directly repressing platelet-derived growth factor receptor-alpha (PDGFRalpha) expression. It also acts as an epigenetic regulator and plays an important role in the development of multiple organs in mammals. PHF14 contains three canonical plant homeodomain (PHD) fingers and a non-canonical extended PHD (ePHD) finger, Cys2HisCys5HisCys2His. It can interact with histones through its PHD fingers. The model corresponds to the third PHD finger.

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                   ....*....|....*....|....*....|....*....
gi 1625649047  271 TCSACRVQGRNADnMLFCDSCDRGFHMECCDPPLSRMPK 309
Cdd:cd15563      1 ECCVCKQTGDNSQ-LVRCDECKLCYHFGCLDPPLKKSPK 38

PHD finger found in ubiquitin-like PHD and RING finger domain-containing protein UHRF1 and UHRF2; UHRF1 is a unique chromatin effector protein that integrates the recognition of both histone PTMs and DNA methylation. It is essential for cell proliferation and plays a critical role in the development and progression of many human carcinomas, such as laryngeal squamous cell carcinoma (LSCC), gastric cancer (GC), esophageal squamous cell carcinoma (ESCC), colorectal cancer, prostate cancer, and breast cancer. UHRF1 acts as a transcriptional repressor through its binding to histone H3 when it is unmodified at Arg2. Its overexpression in human lung fibroblasts results in downregulation of expression of the tumour suppressor pRB. It also plays a role in transcriptional repression of the cell cycle regulator p21. Moreover, UHRF1-dependent repression of transcription factors can facilitate the G1-S transition. It interacts with Tat-interacting protein of 60 kDa (TIP60) and induces degradation-independent ubiquitination of TIP60. It is also an N-methylpurine DNA glycosylase (MPG)-interacting protein that binds MPG in a p53 status-independent manner in the DNA base excision repair (BER) pathway. In addition, UHRF1 functions as an epigenetic regulator that is important for multiple aspects of epigenetic regulation, including maintenance of DNA methylation patterns and recognition of various histone modifications. UHRF2 was originally identified as a ubiquitin ligase acting as a small ubiquitin-like modifier (SUMO) E3 ligase that enhances zinc finger protein 131 (ZNF131) SUMOylation but does not enhance ZNF131 ubiquitination. It also ubiquitinates PCNP, a PEST-containing nuclear protein. Moreover, UHRF2 functions as a nuclear protein involved in cell-cycle regulation and has been implicated in tumorigenesis. It interacts with cyclins, CDKs, p53, pRB, PCNA, HDAC1, DNMTs, G9a, methylated histone H3 lysine 9, and methylated DNA. It interacts with the cyclin E-CDK2 complex, ubiquitinates cyclins D1 and E1, induces G1 arrest, and is involved in the G1/S transition regulation. Furthermore, UHRF2 is a direct transcriptional target of the transcription factor E2F-1 in the induction of apoptosis. It recruits HDAC1 and binds to methyl-CpG. UHRF2 also participates in the maturation of Hepatitis B virus (HBV) by interacting with the HBV core protein and promoting its degradation. Both UHRF1 and UHRF2 contain an N-terminal ubiquitin-like domain (UBL), a tandem Tudor domain (TTD), a plant homeodomain (PHD) finger, a SET- and RING-associated (SRA) domain, and a C-terminal RING finger.

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                   ....*....|....*....|....*....|....*....|.
gi 1625649047  274 ACRVQG--RNADNMLFCDSCDRGFHMECCDPPLSRMPKDTE 312
Cdd:cd15525      1 ACHVCGgkQDPEKQLLCDECDMAYHLYCLDPPLTSLPDDDE 41

PHD finger 1 found in Drosophila melanogaster protein little imaginal discs (Lid) and similar proteins; Drosophila melanogaster Lid, also termed Retinoblastoma-binding protein 2 homolog, is identified genetically as a trithorax group (trxG) protein that is a Drosophila homolog of the human protein JARID1A/kdm5A, a member of the JARID subfamily within the JmjC proteins. Lid functions as a JmjC-dependent trimethyl histone H3K4 (H3K4me3) demethylase, which is required for dMyc-induced cell growth. It positively regulates Hox gene expression in S2 cells. Lid contains the catalytic JmjC domain, JmjN, the BRIGHT domain, which is an AT-rich interacting domain (ARID), and a Cys5HisCys2 zinc finger, as well as three plant homeodomain (PHD) fingers. This model corresponds to the first PHD finger of Lid.

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                   ....*....|....*....|....*....|....*....|.
gi 1625649047  269 CKTCSacrvQGRNADNMLFCDSCDRGFHMECCDPPLSRMPK 309
Cdd:cd15605      2 CHTCG----RGDGEESMLLCDGCDDSYHTFCLLPPLSEVPK 38

PHD finger 1 found in PHD finger protein 12 (PHF12); PHF12, also termed PHD factor 1 (Pf1), is a plant homeodomain (PHD) zinc finger-containing protein that bridges the transducin-like enhancer of split (TLE) corepressor to the mSin3A-histone deacetylase (HDAC)-complex, and further represses transcription at targeted genes. PHF12 also interacts with MRG15 (mortality factor-related genes on chromosome 15), a member of the mortality factor (MORF) family of proteins implicated in regulating cellular senescence. PHF12 contains two plant-homeodomain (PHD) zinc fingers followed by a polybasic region. The PHD fingers function downstream of phosphoinositide signaling triggered by the interaction between polybasic regions and phosphoinositides. This model corresponds to the first PHD finger.

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                   ....*....|....*....|....*....|....*.
gi 1625649047  271 TCSACRVQGrnadNMLFCDSCDRGFHMECCDPPLSR 306
Cdd:cd15533      1 YCDSCGEGG----DLLCCDRCPASFHLQCCNPPLDE 32

PHD finger found in bromodomain adjacent to zinc finger domain protein 2A (BAZ2A); BAZ2A, also termed transcription termination factor I-interacting protein 5 (TTF-I-interacting protein 5, or Tip5), or WALp3, is an epigenetic regulator. It has been implicated in epigenetic rRNA gene silencing, as the large subunit of the SNF2h-containing chromatin-remodeling complex NoRC that induces nucleosome sliding in an ATP- and histone H4 tail-dependent fashion. BAZ2A has also been shown to be broadly overexpressed in prostate cancer, to regulate numerous protein-coding genes and to cooperate with EZH2 (enhancer of zeste homolog 2) to maintain epigenetic silencing at genes repressed in prostate cancer metastasis. Its overexpression is tightly associated with a prostate cancer subtype displaying CpG island methylator phenotype (CIMP) in tumors and with prostate cancer recurrence in patients. It contains a TAM (TIP5/ARBP/MBD) domain, a DDT domain, four AT-hooks, BAZ 1 and BAZ 2 motifs, a WAKZ (WSTF/Acf1/KIAA0314/ZK783.4) motif, a plant homeodomain (PHD) finger, and a bromodomain.

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                   ....*....|....*....|....*....|....*....
gi 1625649047  271 TCSACRvQGRNADNMLFCDSCDRGFHMECCDPPLSRMPK 309
Cdd:cd15629      1 TCLVCR-KGDNDEYLLLCDGCDRGCHMYCHRPKMLQVPE 38

PHD finger found in Arabidopsis thaliana pathogenesis-related homeodomain protein (PRHA) and similar proteins; PRHA is a homeodomain protein encoded by a single-copy Arabidopsis thaliana homeobox gene, prha. It shows the capacity to bind to TAATTG core sequence elements but requires additional adjacent bases for high-affinity binding. PRHA contains a plant homeodomain (PHD) finger, a homeodomain, peptide repeats and a putative leucine zipper dimerization domain.

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                   ....*....|....*....|....*....|....*
gi 1625649047  272 CSACRVQGRNADN-MLFCDS-CDRGFHMECCDPPL 304
Cdd:cd15504      2 CAKCQSGEASPDNdILLCDGgCNRAYHQKCLEPPL 36

PHD finger 2 found in Histone-lysine N-methyltransferase 2C (KMT2C); KMT2C, also termed myeloid/lymphoid or mixed-lineage leukemia protein 3 (MLL3) or homologous to ALR protein, is a histone H3 lysine 4 (H3K4) lysine methyltransferase that functions as a circadian factor contributing to genome-scale circadian transcription. It is a component of a large complex that acts as a coactivator of multiple transcription factors, including the bile acid (BA)-activated nuclear receptor, farnesoid X receptor (FXR), a critical player in BA homeostasis. The MLL3 complex is essential for p53 transactivation of small heterodimer partner (SHP). KMT2C is also a part of activating signal cointegrator-2 (ASC-2)-containing complex (ASCOM) that contains the transcriptional coactivator nuclear receptor coactivator 6 (NCOA6), KMT2C and its paralog MLL4. The ASCOM complex is critical for nuclear receptor (NR) activation of bile acid transporter genes and is down regulated in cholestasis. KMT2C contains several plant homeodomain (PHD) fingers, two extended PHD (ePHD) fingers, Cys2HisCys5HisCys2His, an ATPase alpha beta signature, a high mobility group (HMG)-1 box, a SET (Suppressor of variegation, Enhancer of zeste, Trithorax) domain and two FY (phenylalanine tyrosine)-rich domains. This model corresponds to the second PHD finger.

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gi 1625649047  272 CSACRVQGRNaDNMLFCDSCDRGFHMECCDPPLSRMPKD 310
Cdd:cd15594      2 CQTCRQPGDD-NKMLVCDTCDKGYHTFCLQPVMTTIPKN 39

PHD finger 2 found in PHD finger protein 12 (PHF12), yeast Rco1, and similar proteins; PHF12, also termed PHD factor 1 (Pf1), is a plant homeodomain (PHD) zinc finger-containing protein that bridges the transducin-like enhancer of split (TLE) corepressor to the mSin3A-histone deacetylase (HDAC)-complex, and further represses transcription at targeted genes. PHF12 also interacts with MRG15 (mortality factor-related genes on chromosome 15), a member of the mortality factor (MORF) family of proteins implicated in regulating cellular senescence. PHF12 contains two plant homeodomain (PHD) zinc fingers followed by a polybasic region. The PHD fingers function downstream of phosphoinositide signaling triggered by the interaction between polybasic regions and phosphoinositides. This subfamily also includes yeast transcriptional regulatory protein Rco1 and similar proteins. Rco1 is a component of the Rpd3S histone deacetylase complex that plays an important role at actively transcribed genes. Rco1 contains two PHD fingers, which are required for the methylation of histone H3 lysine 36 (H3K36) nucleosome recognition by Rpd3S. This model corresponds to the second PHD finger.

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gi 1625649047  272 CSACRVQGRNAdNMLFCDSCDRGFHMECCDPPLSRMP 308
Cdd:cd15534      2 CFKCNRSCRVA-PLIQCDYCPLLFHLDCLDPPLTHPP 37

PHD finger 1 found in Lysine-specific demethylase 5A (KDM5A); KDM5A (also termed Histone demethylase JARID1A, Jumonji/ARID domain-containing protein 1A, or Retinoblastoma-binding protein 2 (RBBP-2 or RBP2)) was originally identified as a retinoblastoma protein (Rb)-binding partner and its inactivation may be important for Rb to promote differentiation. It is involved in transcription through interacting with TBP, p107, nuclear receptors, Myc, Sin3/HDAC, Mad1, RBP-J, CLOCK and BMAL1. KDM5A functions as a trimethylated histone H3 lysine 4 (H3K4me3) demethylase that belongs to the JARID subfamily within the JmjC proteins. It also displays DNA-binding activities that can recognize the specific DNA sequence CCGCCC. KDM5A contains the catalytic JmjC domain, JmjN, the BRIGHT domain, which is an AT-rich interacting domain (ARID), and a Cys5HisCys2 zinc finger, as well as three plant homeodomain (PHD) fingers. This model corresponds to the first PHD finger.

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                   ....*....|....*....|....*....|....*...
gi 1625649047  272 CSACrVQGRNADNMLFCDSCDRGFHMECCDPPLSRMPK 309
Cdd:cd15602      2 CLFC-GRGNNEDKLLLCDGCDDSYHTFCLIPPLPDVPK 38

PHD finger found in ubiquitin-like PHD and RING finger domain-containing protein 2 (UHRF2); UHRF2 (also termed Np95/ICBP90-like RING finger protein (NIRF), Np95-like RING finger protein, nuclear protein 97, nuclear zinc finger protein Np97, RING finger protein 107, or E3 ubiquitin-protein ligase UHRF2) was originally identified as a ubiquitin ligase acting as a small ubiquitin-like modifier (SUMO) E3 ligase that enhances zinc finger protein 131 (ZNF131) SUMOylation but does not enhance ZNF131 ubiquitination. It also ubiquitinates PCNP, a PEST-containing nuclear protein. Moreover, UHRF2 functions as a nuclear protein involved in cell-cycle regulation and has been implicated in tumorigenesis. It interacts with cyclins, CDKs,p53, pRB, PCNA, HDAC1, DNMTs, G9a, methylated histone H3 lysine 9, and methylated DNA. It interacts with the cyclin E-CDK2 complex, ubiquitinates cyclins D1 and E1, induces G1 arrest, and is involved in the G1/S transition regulation. Furthermore, UHRF2 is a direct transcriptional target of the transcription factor E2F-1 in the induction of apoptosis. It recruits HDAC1 and binds to methyl-CpG. UHRF2 also participates in the maturation of Hepatitis B virus (HBV) by interacting with the HBV core protein and promoting its degradation. UHRF2 contains an N-terminal ubiquitin-like domain (UBL), a tandem Tudor domain (TTD), a plant homeodomain (PHD) finger, a SET- and RING-associated (SRA) domain, and a C-terminal RING finger.

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                   ....*....|....*....|....*....|....*....
gi 1625649047  274 ACRVQG--RNADNMLFCDSCDRGFHMECCDPPLSRMPKD 310
Cdd:cd15617      1 SCYVCGgkQDAHMQLLCDECNMAYHIYCLNPPLDKIPED 39

PHD finger found in PHD finger protein 21B (PHF21B); PHF21B is a plant homeodomain (PHD) finger-containing protein whose biological function remains unclear. It shows high sequence similarity with PHF21A, which is associated with LSD1, a lysine (K)-specific histone demethylase and inhibits LSD1-mediated histone demethylation in vitro. PHD fingers can recognize the unmodified and modified histone H3 tail, and some have been found to interact with non-histone proteins.

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gi 1625649047  272 CSACRVQGrnadNMLFCDSCDRGFHMECCDPPLSRMPK 309
Cdd:cd15524      2 CAACKRGG----NLQPCGTCPRAYHLDCLDPPLKTAPK 35

linker histone 1 and histone 5 domains; the basic subunit of chromatin is the nucleosome, consisting of an octamer of core histones, two full turns of DNA, a linker histone (H1 or H5) and a variable length of linker DNA; H1/H5 are chromatin-associated proteins that bind to the exterior of nucleosomes and dramatically stabilize the highly condensed states of chromatin fibers; stabilization of higher order folding occurs through electrostatic neutralization of the linker DNA segments, through a highly positively charged carboxy- terminal domain known as the AKP helix (Ala, Lys, Pro); thought to be involved in specific protein-protein and protein-DNA interactions and play a role in suppressing core histone tail domain acetylation in the chromatin fiber

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gi 1625649047  114 AIEGLEEPNGSSLKNIEKYLRSQSDLTSTTNNPafqqRLRLGAKRAVNNGRLLK 167
Cdd:cd00073     14 AIKALKERKGSSLQAIKKYIEAKYKVDDENFNK----LLKLALKKGVAKGKLVQ 63

PHD finger 2 found in histone-lysine N-methyltransferase 2A (KMT2A) and 2B (KMT2B); This family includes histone-lysine N-methyltransferase trithorax (Trx) like proteins, KMT2A (MLL1) and KMT2B (MLL2), which comprise the mammalian Trx branch of the COMPASS family, and are both essential for mammalian embryonic development. KMT2A regulates chromatin-mediated transcription through the catalysis of methylation of histone 3 lysine 4 (H3K4), and is frequently rearranged in acute leukemia. KMT2A functions as the catalytic subunit in the MLL1 complex. KMT2B is a second human homolog of Drosophila trithorax, located on chromosome 19 and functions as the catalytic subunit in the MLL2 complex. It plays a critical role in memory formation through mediating hippocampal H3K4 di- and trimethylation. It is also required for RNA polymerase II association and protection from DNA methylation at the MagohB CpG island promoter. Both KMT2A and KMT2B contain a CxxC (x for any residue) zinc finger domain, three plant homeodomain (PHD) fingers, an extended PHD (ePHD) finger, Cys2HisCys5HisCys2His, two FY (phenylalanine tyrosine)-rich domains, and a SET (Suppressor of variegation, Enhancer of zeste, Trithorax) domain. This model corresponds to the second PHD finger.

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                   ....*....|....*....|....*....|..
gi 1625649047  271 TCSACRVQGRNADNMLFCDSCDRGFHMECCDP 302
Cdd:cd15507      1 FCHVCGRKGQAQKQLLECEKCQRGYHVDCLGP 32

PHD finger 1 found in Saccharomyces cerevisiae SANT domain-containing protein 2 (Snt2p) and similar proteins; Snt2p is a yeast protein that may function in multiple stress pathways. It coordinates the transcriptional response to hydrogen peroxide-mediated oxidative stress through interaction with Ecm5 and the Rpd3 deacetylase. Snt2p contains a bromo adjacent homology (BAH) domain, two canonical Cys4HisCys3 plant homeodomain (PHD) fingers, a non-canonical extended PHD (ePHD) finger, Cys2HisCys5HisCys2His, and a SANT (SWI3, ADA2, N-CoR and TFIIIB) DNA-binding domain; this model corresponds to the first canonical Cys4HisCys3 PHD finger.

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                   ....*....|....*....|....*....|....*....|.
gi 1625649047  269 CKTCSacrvQGRNADNMLFCDSCDRGFHMECCDPPLSRMPK 309
Cdd:cd15497      2 CKVCK----EWCASDDSVRCDECKVSYHLLCVDPPLTKKPN 38