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Conserved domains on  [gi|75099990|sp|O80920|]
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RecName: Full=Abscisic acid receptor PYL4; AltName: Full=ABI1-binding protein 2; AltName: Full=PYR1-like protein 4; AltName: Full=Regulatory components of ABA receptor 10

Protein Classification

SRPBCC family protein( domain architecture ID 10167503)

SRPBCC (START/RHOalphaC/PITP/Bet v1/CoxG/CalC) family protein may have a deep hydrophobic ligand-binding pocket

CATH:  3.30.530.20
PubMed:  18922149
SCOP:  3000738

Graphical summary

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List of domain hits

 Name Accession Description Interval E-value
PYR_PYL_RCAR_like cd07821
Pyrabactin resistance 1 (PYR1), PYR1-like (PYL), regulatory component of abscisic acid ...
 52-195 4.12e-30

Pyrabactin resistance 1 (PYR1), PYR1-like (PYL), regulatory component of abscisic acid receptors (RCARs), and related proteins; The PYR/PYL/RCAR-like family belongs to the SRPBCC (START/RHO_alpha_C/PITP/Bet_v1/CoxG/CalC) domain superfamily of proteins that bind hydrophobic ligands. SRPBCC domains have a deep hydrophobic ligand-binding pocket. PYR/PYL/RCAR plant proteins are receptors involved in signal transduction. They bind abscisic acid (ABA) and mediate its signaling. ABA is a vital plant hormone, which regulates plant growth, development, and response to environmental stresses. Upon binding ABA, these plant proteins interact with a type 2C protein phosphatase (PP2C), such as ABI1 and ABI2, and inhibit their activity. When ABA is bound, a loop (designated the gate/CL2 loop) closes over the ligand binding pocket, resulting in the weakening of the inactive PYL dimer and facilitating type 2C protein phosphatase binding. In the ABA:PYL1:ABI1 complex, the gate blocks substrate access to the phosphatase active site. A conserved Trp from PP2C inserts into PYL to lock the receptor in a closed formation. This group also contains Methylobacterium extorquens AM1 MxaD. The mxaD gene is located within the mxaFJGIR(S)ACKLDEHB cluster which encodes proteins involved in methanol oxidation. MxaD may participate in the periplasmic electron transport chain for oxidation of methanol. Mutants lacking MxaD exhibit a reduced growth on methanol, and a lower rate of respiration with methanol.


:

Pssm-ID: 176863 [Multi-domain]  Cd Length: 140  Bit Score: 108.18  E-value: 4.12e-30
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 75099990  52 CCSAVIQEISAPISTVWSVVRRFDNPQAYKHFLKSCSVIGGdGDNVGSLRQVHVVSGlpaASSTERLDILDDERHVISFS 131
Cdd:cd07821   1 AKVTVSVTIDAPADKVWALLSDFGGLHKWHPAVASCELEGG-GPGVGAVRTVTLKDG---GTVRERLLALDDAERRYSYR 76

                        90       100       110       120       130       140
                ....*....|....*....|....*....|....*....|....*....|....*....|....
gi 75099990 132 VVGGDHRLSNYRSVTTLHPSPISGTVVVESYVVDVPPGNTKEETCDFVDVIVRCNLQSLAKIAE 195
Cdd:cd07821  77 IVEGPLPVKNYVATIRVTPEGDGGTRVTWTAEFDPPEGLTDELARAFLTGVYRAGLAALKAALE 140
 
Name Accession Description Interval E-value
PYR_PYL_RCAR_like cd07821
Pyrabactin resistance 1 (PYR1), PYR1-like (PYL), regulatory component of abscisic acid ...
 52-195 4.12e-30

Pyrabactin resistance 1 (PYR1), PYR1-like (PYL), regulatory component of abscisic acid receptors (RCARs), and related proteins; The PYR/PYL/RCAR-like family belongs to the SRPBCC (START/RHO_alpha_C/PITP/Bet_v1/CoxG/CalC) domain superfamily of proteins that bind hydrophobic ligands. SRPBCC domains have a deep hydrophobic ligand-binding pocket. PYR/PYL/RCAR plant proteins are receptors involved in signal transduction. They bind abscisic acid (ABA) and mediate its signaling. ABA is a vital plant hormone, which regulates plant growth, development, and response to environmental stresses. Upon binding ABA, these plant proteins interact with a type 2C protein phosphatase (PP2C), such as ABI1 and ABI2, and inhibit their activity. When ABA is bound, a loop (designated the gate/CL2 loop) closes over the ligand binding pocket, resulting in the weakening of the inactive PYL dimer and facilitating type 2C protein phosphatase binding. In the ABA:PYL1:ABI1 complex, the gate blocks substrate access to the phosphatase active site. A conserved Trp from PP2C inserts into PYL to lock the receptor in a closed formation. This group also contains Methylobacterium extorquens AM1 MxaD. The mxaD gene is located within the mxaFJGIR(S)ACKLDEHB cluster which encodes proteins involved in methanol oxidation. MxaD may participate in the periplasmic electron transport chain for oxidation of methanol. Mutants lacking MxaD exhibit a reduced growth on methanol, and a lower rate of respiration with methanol.


Pssm-ID: 176863 [Multi-domain]  Cd Length: 140  Bit Score: 108.18  E-value: 4.12e-30
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 75099990  52 CCSAVIQEISAPISTVWSVVRRFDNPQAYKHFLKSCSVIGGdGDNVGSLRQVHVVSGlpaASSTERLDILDDERHVISFS 131
Cdd:cd07821   1 AKVTVSVTIDAPADKVWALLSDFGGLHKWHPAVASCELEGG-GPGVGAVRTVTLKDG---GTVRERLLALDDAERRYSYR 76

                        90       100       110       120       130       140
                ....*....|....*....|....*....|....*....|....*....|....*....|....
gi 75099990 132 VVGGDHRLSNYRSVTTLHPSPISGTVVVESYVVDVPPGNTKEETCDFVDVIVRCNLQSLAKIAE 195
Cdd:cd07821  77 IVEGPLPVKNYVATIRVTPEGDGGTRVTWTAEFDPPEGLTDELARAFLTGVYRAGLAALKAALE 140
Polyketide_cyc2 pfam10604
Polyketide cyclase / dehydrase and lipid transport; This family contains polyketide cylcases ...
 58-195 7.97e-13

Polyketide cyclase / dehydrase and lipid transport; This family contains polyketide cylcases/dehydrases which are enzymes involved in polyketide synthesis. It also includes other proteins of the START superfamily.


Pssm-ID: 431388  Cd Length: 139  Bit Score: 62.89  E-value: 7.97e-13
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 75099990    58 QEISAPISTVWSVVRRFDNPQAYKHFLKSCSVIGGDGDNVGSLRQVHVvsGLPAASSTERLDILDDERHVISFSVVgGDH 137
Cdd:pfam10604   3 IEIAAPPEQVWALLSDFENWPRWHPGVLRVELEGGGGPLRGVVGTLRV--GGRRGTVREELVEYDPAPRLLAYRIV-EPL 79

                          90       100       110       120       130       140
                  ....*....|....*....|....*....|....*....|....*....|....*....|
gi 75099990   138 RLSNYRSVTTLHPSPISGTVVVESYVVDVPPG--NTKEETCDFVDVIVRCNLQSLAKIAE 195
Cdd:pfam10604  80 GVANYVGTWTVTPAGGGTRVTWTGEFDGPPLGgpFRDPAAARAVKGDYRAGLDRLKAVLE 139
Bet_v_1 smart01037
Pathogenesis-related protein Bet v I family; This family is named after Bet v 1, the major ...
 77-155 8.28e-07

Pathogenesis-related protein Bet v I family; This family is named after Bet v 1, the major birch pollen allergen. This protein belongs to family 10 of plant pathogenesis-related proteins (PR-10), cytoplasmic proteins of 15-17 kd that are wide-spread among dicotyledonous plants. In recent years, a number of diverse plant proteins with low sequence similarity to Bet v 1 was identified. A classification by sequence similarity yielded several subfamilies related to PR-10.- Pathogenesis-related proteins PR-10: These proteins were identified as major tree pollen allergens in birch and related species (hazel, alder), as plant food allergens expressed in high levels in fruits, vegetables and seeds (apple, celery, hazelnut), and as pathogenesis-related proteins whose expression is induced by pathogen infection, wounding, or abiotic stress. Hyp-1, an enzyme involved in the synthesis of the bioactive naphthodianthrone hypericin in St. John's wort (Hypericum perforatum) also belongs to this family. Most of these proteins were found in dicotyledonous plants. In addition, related sequences were identified in monocots and conifers. - Cytokinin-specific binding proteins: These legume proteins bind cytokinin plant hormones. - (S)-Norcoclaurine synthases are enzymes catalysing the condensation of dopamine and 4-hydroxyphenylacetaldehyde to (S)-norcoclaurine, the first committed step in the biosynthesis of benzylisoquinoline alkaloids such as morphine. -Major latex proteins and ripening-related proteins are proteins of unknown biological function that were first discovered in the latex of opium poppy (Papaver somniferum) and later found to be upregulated during ripening of fruits such as strawberry and cucumber. The occurrence of Bet v 1-related proteins is confined to seed plants with the exception of a cytokinin-binding protein from the moss Physcomitrella patens.


Pssm-ID: 198105  Cd Length: 151  Bit Score: 46.99  E-value: 8.28e-07
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 75099990     77 PQAYKHFLKSCSVIGGDGDNVGSLRQV-HVVSGLPAaSSTERLDILDDERHVISFSVVGGdHRLSNYRS-VTTLHPSPIS 154
Cdd:smart01037  31 PKATGHHIQGVDLHEGDWGSHGSIKIWnYTVDGKEE-VFKERIEAVDDEKKTITFRVLEG-DVMEEYKSfKGTIQVTPKS 108


                   .
gi 75099990    155 G 155
Cdd:smart01037 109 G 109
 
Name Accession Description Interval E-value
PYR_PYL_RCAR_like cd07821
Pyrabactin resistance 1 (PYR1), PYR1-like (PYL), regulatory component of abscisic acid ...
 52-195 4.12e-30

Pyrabactin resistance 1 (PYR1), PYR1-like (PYL), regulatory component of abscisic acid receptors (RCARs), and related proteins; The PYR/PYL/RCAR-like family belongs to the SRPBCC (START/RHO_alpha_C/PITP/Bet_v1/CoxG/CalC) domain superfamily of proteins that bind hydrophobic ligands. SRPBCC domains have a deep hydrophobic ligand-binding pocket. PYR/PYL/RCAR plant proteins are receptors involved in signal transduction. They bind abscisic acid (ABA) and mediate its signaling. ABA is a vital plant hormone, which regulates plant growth, development, and response to environmental stresses. Upon binding ABA, these plant proteins interact with a type 2C protein phosphatase (PP2C), such as ABI1 and ABI2, and inhibit their activity. When ABA is bound, a loop (designated the gate/CL2 loop) closes over the ligand binding pocket, resulting in the weakening of the inactive PYL dimer and facilitating type 2C protein phosphatase binding. In the ABA:PYL1:ABI1 complex, the gate blocks substrate access to the phosphatase active site. A conserved Trp from PP2C inserts into PYL to lock the receptor in a closed formation. This group also contains Methylobacterium extorquens AM1 MxaD. The mxaD gene is located within the mxaFJGIR(S)ACKLDEHB cluster which encodes proteins involved in methanol oxidation. MxaD may participate in the periplasmic electron transport chain for oxidation of methanol. Mutants lacking MxaD exhibit a reduced growth on methanol, and a lower rate of respiration with methanol.


Pssm-ID: 176863 [Multi-domain]  Cd Length: 140  Bit Score: 108.18  E-value: 4.12e-30
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 75099990  52 CCSAVIQEISAPISTVWSVVRRFDNPQAYKHFLKSCSVIGGdGDNVGSLRQVHVVSGlpaASSTERLDILDDERHVISFS 131
Cdd:cd07821   1 AKVTVSVTIDAPADKVWALLSDFGGLHKWHPAVASCELEGG-GPGVGAVRTVTLKDG---GTVRERLLALDDAERRYSYR 76

                        90       100       110       120       130       140
                ....*....|....*....|....*....|....*....|....*....|....*....|....
gi 75099990 132 VVGGDHRLSNYRSVTTLHPSPISGTVVVESYVVDVPPGNTKEETCDFVDVIVRCNLQSLAKIAE 195
Cdd:cd07821  77 IVEGPLPVKNYVATIRVTPEGDGGTRVTWTAEFDPPEGLTDELARAFLTGVYRAGLAALKAALE 140
Bet_v1-like cd07816
Ligand-binding bet_v_1 domain of major pollen allergen of white birch (Betula verrucosa), Bet ...
 59-147 4.95e-13

Ligand-binding bet_v_1 domain of major pollen allergen of white birch (Betula verrucosa), Bet v 1, and related proteins; This family includes the ligand binding domain of Bet v 1 (the major pollen allergen of white birch, Betula verrucosa) and related proteins. In addition to birch Bet v 1, this family includes other plant intracellular pathogenesis-related class 10 (PR-10) proteins, norcoclaurine synthases (NCSs), cytokinin binding proteins (CSBPs), major latex proteins (MLPs), and ripening-related proteins. It belongs to the SRPBCC (START/RHO_alpha_C/PITP/Bet_v1/CoxG/CalC) domain superfamily of proteins that bind hydrophobic ligands. SRPBCC domains have a deep hydrophobic ligand-binding pocket. Members of this family binds a diverse range of ligands. Bet v 1 can bind brassinosteroids, cytokinins, flavonoids and fatty acids. Hyp-1, a PR-10 from Hypericum perforatum/St. John's wort, catalyzes the condensation of two molecules of emodin to the bioactive naphthodianthrone hypericin. NCSs catalyze the condensation of dopamine and 4-hydroxyphenylacetaldehyde to (S)-norcoclaurine, the first committed step in the biosynthesis of benzylisoquinoline alkaloids such as morphine. The role of MLPs is unclear; however, they are associated with fruit and flower development and in pathogen defense responses. A number of PR-10 proteins in this subgroup, including Bet v 1, have in vitro RNase activity, the biological significance of which is unclear. Bet v 1 family proteins have a conserved glycine-rich P (phosphate-binding)-loop proximal to the entrance of the ligand-binding pocket. However, its conformation differs from that of the canonical P-loop structure found in nucleotide-binding proteins. Several PR-10 members including Bet v1 are allergenic. Cross-reactivity of Bet v 1 with homologs from plant foods results in birch-fruit syndrome.


Pssm-ID: 176858  Cd Length: 148  Bit Score: 63.75  E-value: 4.95e-13
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 75099990  59 EISAPISTVWSVVRRFDN--PQAYKHFLKSCSVIGGDGDnVGSLRQVHVVSGLPAASSTERLDILDDERHVISFSVVGGD 136
Cdd:cd07816   8 ELKVPAEKLWKAFVLDSHllPPKLPPVIKSVELLEGDGG-PGSIKLITFGPGGKVKYVKERIDAVDEENKTYKYTVIEGD 86

                        90
                ....*....|.
gi 75099990 137 HRLSNYRSVTT 147
Cdd:cd07816  87 VLKDGYKSYKV 97
Polyketide_cyc2 pfam10604
Polyketide cyclase / dehydrase and lipid transport; This family contains polyketide cylcases ...
 58-195 7.97e-13

Polyketide cyclase / dehydrase and lipid transport; This family contains polyketide cylcases/dehydrases which are enzymes involved in polyketide synthesis. It also includes other proteins of the START superfamily.


Pssm-ID: 431388  Cd Length: 139  Bit Score: 62.89  E-value: 7.97e-13
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 75099990    58 QEISAPISTVWSVVRRFDNPQAYKHFLKSCSVIGGDGDNVGSLRQVHVvsGLPAASSTERLDILDDERHVISFSVVgGDH 137
Cdd:pfam10604   3 IEIAAPPEQVWALLSDFENWPRWHPGVLRVELEGGGGPLRGVVGTLRV--GGRRGTVREELVEYDPAPRLLAYRIV-EPL 79

                          90       100       110       120       130       140
                  ....*....|....*....|....*....|....*....|....*....|....*....|
gi 75099990   138 RLSNYRSVTTLHPSPISGTVVVESYVVDVPPG--NTKEETCDFVDVIVRCNLQSLAKIAE 195
Cdd:pfam10604  80 GVANYVGTWTVTPAGGGTRVTWTGEFDGPPLGgpFRDPAAARAVKGDYRAGLDRLKAVLE 139
Bet_v_1 smart01037
Pathogenesis-related protein Bet v I family; This family is named after Bet v 1, the major ...
 77-155 8.28e-07

Pathogenesis-related protein Bet v I family; This family is named after Bet v 1, the major birch pollen allergen. This protein belongs to family 10 of plant pathogenesis-related proteins (PR-10), cytoplasmic proteins of 15-17 kd that are wide-spread among dicotyledonous plants. In recent years, a number of diverse plant proteins with low sequence similarity to Bet v 1 was identified. A classification by sequence similarity yielded several subfamilies related to PR-10.- Pathogenesis-related proteins PR-10: These proteins were identified as major tree pollen allergens in birch and related species (hazel, alder), as plant food allergens expressed in high levels in fruits, vegetables and seeds (apple, celery, hazelnut), and as pathogenesis-related proteins whose expression is induced by pathogen infection, wounding, or abiotic stress. Hyp-1, an enzyme involved in the synthesis of the bioactive naphthodianthrone hypericin in St. John's wort (Hypericum perforatum) also belongs to this family. Most of these proteins were found in dicotyledonous plants. In addition, related sequences were identified in monocots and conifers. - Cytokinin-specific binding proteins: These legume proteins bind cytokinin plant hormones. - (S)-Norcoclaurine synthases are enzymes catalysing the condensation of dopamine and 4-hydroxyphenylacetaldehyde to (S)-norcoclaurine, the first committed step in the biosynthesis of benzylisoquinoline alkaloids such as morphine. -Major latex proteins and ripening-related proteins are proteins of unknown biological function that were first discovered in the latex of opium poppy (Papaver somniferum) and later found to be upregulated during ripening of fruits such as strawberry and cucumber. The occurrence of Bet v 1-related proteins is confined to seed plants with the exception of a cytokinin-binding protein from the moss Physcomitrella patens.


Pssm-ID: 198105  Cd Length: 151  Bit Score: 46.99  E-value: 8.28e-07
                           10        20        30        40        50        60        70        80
                   ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 75099990     77 PQAYKHFLKSCSVIGGDGDNVGSLRQV-HVVSGLPAaSSTERLDILDDERHVISFSVVGGdHRLSNYRS-VTTLHPSPIS 154
Cdd:smart01037  31 PKATGHHIQGVDLHEGDWGSHGSIKIWnYTVDGKEE-VFKERIEAVDDEKKTITFRVLEG-DVMEEYKSfKGTIQVTPKS 108


                   .
gi 75099990    155 G 155
Cdd:smart01037 109 G 109
Bet_v_1 pfam00407
Pathogenesis-related protein Bet v 1 family; This family is named after Bet v 1, the major ...
 82-136 4.02e-05

Pathogenesis-related protein Bet v 1 family; This family is named after Bet v 1, the major birch pollen allergen. This protein belongs to family 10 of plant pathogenesis-related proteins (PR-10), cytoplasmic proteins of 15-17 kd that are wide-spread among dicotyledonous plants. In recent years, a number of diverse plant proteins with low sequence similarity to Bet v 1 was identified. A classification by sequence similarity yielded several subfamilies related to pathogenesis-related proteins PR-10: These proteins were identified as major tree pollen allergens in birch and related species (hazel, alder), as plant food allergens expressed in high levels in fruits, vegetables and seeds (apple, celery, hazelnut), and as pathogenesis-related proteins whose expression is induced by pathogen infection, wounding, or abiotic stress. Hyp-1, an enzyme involved in the synthesis of the bioactive naphthodianthrone hypericin in St. John's wort (Hypericum perforatum) also belongs to this family. Most of these proteins were found in dicotyledonous plants. In addition, related sequences were identified in monocots and conifers. - Cytokinin-specific binding proteins: These legume proteins bind cytokinin plant hormones. - (S)-Norcoclaurine synthases are enzymes catalysing the condensation of dopamine and 4-hydroxyphenylacetaldehyde to (S)-norcoclaurine, the first committed step in the biosynthesis of benzylisoquinoline alkaloids such as morphine. -Major latex proteins and ripening-related proteins are proteins of unknown biological function that were first discovered in the latex of opium poppy (Papaver somniferum) and later found to be upregulated during ripening of fruits such as strawberry and cucumber. The occurrence of Bet v 1-related proteins is confined to seed plants with the exception of a cytokinin-binding protein from the moss Physcomitrella patens.


Pssm-ID: 395330  Cd Length: 149  Bit Score: 41.92  E-value: 4.02e-05
                          10        20        30        40        50
                  ....*....|....*....|....*....|....*....|....*....|....*
gi 75099990    82 HFLKSCSVIGGDGDNVGSLRQVHVVSGLPAASSTERLDILDDERHVISFSVVGGD 136
Cdd:pfam00407  34 HHIQGVEVHEGEWDSHGSIKKWNYTEDGKPEVFKEKIEVDDEENKTITYRVLEGD 88
SRPBCC cd07812
START/RHO_alpha_C/PITP/Bet_v1/CoxG/CalC (SRPBCC) ligand-binding domain superfamily; SRPBCC ...
 59-156 6.59e-03

START/RHO_alpha_C/PITP/Bet_v1/CoxG/CalC (SRPBCC) ligand-binding domain superfamily; SRPBCC domains have a deep hydrophobic ligand-binding pocket; they bind diverse ligands. Included in this superfamily are the steroidogenic acute regulatory protein (StAR)-related lipid transfer (START) domains of mammalian STARD1-STARD15, and the C-terminal catalytic domains of the alpha oxygenase subunit of Rieske-type non-heme iron aromatic ring-hydroxylating oxygenases (RHOs_alpha_C), as well as the SRPBCC domains of phosphatidylinositol transfer proteins (PITPs), Bet v 1 (the major pollen allergen of white birch, Betula verrucosa), CoxG, CalC, and related proteins. Other members of this superfamily include PYR/PYL/RCAR plant proteins, the aromatase/cyclase (ARO/CYC) domains of proteins such as Streptomyces glaucescens tetracenomycin, and the SRPBCC domains of Streptococcus mutans Smu.440 and related proteins.


Pssm-ID: 176854  Cd Length: 141  Bit Score: 35.76  E-value: 6.59e-03
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 75099990  59 EISAPISTVWSVVRRFDN-PQAYKHfLKSCSVIGGDGDNVGSlRQVHVVSGLPAASSTERLDILDDERHvISFSVVGGDH 137
Cdd:cd07812   6 EIPAPPEAVWDLLSDPERwPEWSPG-LERVEVLGGGEGGVGA-RFVGGRKGGRRLTLTSEVTEVDPPRP-GRFRVTGGGG 82

                        90
                ....*....|....*....
gi 75099990 138 RLsNYRSVTTLHPSPISGT 156
Cdd:cd07812  83 GV-DGTGEWRLEPEGDGGT 100
 
Blast search parameters
Data Source: Precalculated data, version = cdd.v.3.21
Preset Options:Database: CDSEARCH/cdd   Low complexity filter: no  Composition Based Adjustment: yes   E-value threshold: 0.01

References:

  • Wang J et al. (2023), "The conserved domain database in 2023", Nucleic Acids Res.51(D)384-8.
  • Lu S et al. (2020), "The conserved domain database in 2020", Nucleic Acids Res.48(D)265-8.
  • Marchler-Bauer A et al. (2017), "CDD/SPARCLE: functional classification of proteins via subfamily domain architectures.", Nucleic Acids Res.45(D)200-3.
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