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Conserved domains on  [gi|489121943|ref|WP_003031764|]
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MULTISPECIES: cytochrome c nitrite reductase subunit NrfD [Citrobacter]

Protein Classification

cytochrome c nitrite reductase subunit NrfD family protein( domain architecture ID 10022221)

cytochrome c nitrite reductase subunit NrfD family protein similar to Escherichia coli cytochrome c nitrite reductase subunit NrfD which is a membrane protein and probably involved in transferring electrons from the quinone pool to the type-c cytochromes

Graphical summary

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List of domain hits

Name Accession Description Interval E-value
cyt_nit_nrfD TIGR03148
cytochrome c nitrite reductase, NrfD subunit; Members of this protein family are NrfD, a ...
5-318 2.56e-156

cytochrome c nitrite reductase, NrfD subunit; Members of this protein family are NrfD, a highly hydrophobic protein encoded in the nrf operon, which encodes cytochrome c nitrite reductase. This multiple heme-containing enzyme can reduce nitrite to ammonia. Members belong to a broader Pfam protein family, pfam03916, which also contains an NrfD-related subunit of polysulphide reductase. [Energy metabolism, Electron transport]


:

Pssm-ID: 274450  Cd Length: 316  Bit Score: 439.49  E-value: 2.56e-156
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 489121943    5 SAFHFESLVWDWPIAIYLFLIGISAGLVTLAILLRRFHPEAGGSDSTLLRTTLVLGPGAIILGLLILVFHLTRPWTFWKL 84
Cdd:TIGR03148   1 SAFHFDSLVWDWPIAIYLFLLGISAGAVMLAILLKRKVPEEKPSDNWIIRATAILAPFGIIIGLTILIFHLTKPWTFWKL 80
                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 489121943   85 MFHYSFTSVMSMGVMLFQLYMVVLVLWLAKIFEKEVIALQQRFVPRLTIVSKLLTLITPFHRALETLMLVLAVLLGAYTG 164
Cdd:TIGR03148  81 MFFYNFTSVMSMGVMLFQVYMAVLLLWLAIIFKKEVAALLNRYLPILDFVLKLIAIAERFENSIEIFLLVLAVLLGAYTG 160
                         170       180       190       200       210       220       230       240
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 489121943  165 FLLSALKSYPFLNNPILPVLFLFSGISSGAAVALIAMALRHRSNPHSTEAHFVHRMEVPVVWLEIFLLAAFFVGLALGDD 244
Cdd:TIGR03148 161 FLLSALKSYPMLNNPVLPALFLFSGTSSGIAACLLAILLGGKESGHSPEVHFIHKFETPVVLFELFLLVAFFVGLYFGGG 240
                         250       260       270       280       290       300       310
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*.
gi 489121943  245 GKMRALAAALGGGFWTWWFWLGVAGLGLILPMLLKPWANRSSTF--HGVLAVCGASLTGVLLLRFFILYAGQLTVA 318
Cdd:TIGR03148 241 QKTVALQNALLGGFWGSWFWIGVIGIGILIPLLLNLFANDSLKHnkGFIILVSVLSLIGVLCLRFFILYAGQMTVA 316
 
Name Accession Description Interval E-value
cyt_nit_nrfD TIGR03148
cytochrome c nitrite reductase, NrfD subunit; Members of this protein family are NrfD, a ...
5-318 2.56e-156

cytochrome c nitrite reductase, NrfD subunit; Members of this protein family are NrfD, a highly hydrophobic protein encoded in the nrf operon, which encodes cytochrome c nitrite reductase. This multiple heme-containing enzyme can reduce nitrite to ammonia. Members belong to a broader Pfam protein family, pfam03916, which also contains an NrfD-related subunit of polysulphide reductase. [Energy metabolism, Electron transport]


Pssm-ID: 274450  Cd Length: 316  Bit Score: 439.49  E-value: 2.56e-156
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 489121943    5 SAFHFESLVWDWPIAIYLFLIGISAGLVTLAILLRRFHPEAGGSDSTLLRTTLVLGPGAIILGLLILVFHLTRPWTFWKL 84
Cdd:TIGR03148   1 SAFHFDSLVWDWPIAIYLFLLGISAGAVMLAILLKRKVPEEKPSDNWIIRATAILAPFGIIIGLTILIFHLTKPWTFWKL 80
                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 489121943   85 MFHYSFTSVMSMGVMLFQLYMVVLVLWLAKIFEKEVIALQQRFVPRLTIVSKLLTLITPFHRALETLMLVLAVLLGAYTG 164
Cdd:TIGR03148  81 MFFYNFTSVMSMGVMLFQVYMAVLLLWLAIIFKKEVAALLNRYLPILDFVLKLIAIAERFENSIEIFLLVLAVLLGAYTG 160
                         170       180       190       200       210       220       230       240
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 489121943  165 FLLSALKSYPFLNNPILPVLFLFSGISSGAAVALIAMALRHRSNPHSTEAHFVHRMEVPVVWLEIFLLAAFFVGLALGDD 244
Cdd:TIGR03148 161 FLLSALKSYPMLNNPVLPALFLFSGTSSGIAACLLAILLGGKESGHSPEVHFIHKFETPVVLFELFLLVAFFVGLYFGGG 240
                         250       260       270       280       290       300       310
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*.
gi 489121943  245 GKMRALAAALGGGFWTWWFWLGVAGLGLILPMLLKPWANRSSTF--HGVLAVCGASLTGVLLLRFFILYAGQLTVA 318
Cdd:TIGR03148 241 QKTVALQNALLGGFWGSWFWIGVIGIGILIPLLLNLFANDSLKHnkGFIILVSVLSLIGVLCLRFFILYAGQMTVA 316
NrfD pfam03916
Polysulphide reductase, NrfD; NrfD is an integral transmembrane protein with loops in both the ...
5-318 1.40e-91

Polysulphide reductase, NrfD; NrfD is an integral transmembrane protein with loops in both the periplasm and the cytoplasm. NrfD is thought to participate in the transfer of electrons, from the quinone pool into the terminal components of the Nrf pathway.


Pssm-ID: 397824  Cd Length: 313  Bit Score: 275.05  E-value: 1.40e-91
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 489121943    5 SAFHFESLVWDWPIAIYLFLIGISAGLVTLAILLRRFHPEAGGSDSTLLRTTLVLGPGAIILGLLILVFHLTRPWTFWKL 84
Cdd:pfam03916   2 VPFHSNSVVWGLPIAVYLFLIGISAGALILAILYKRFKKNEGKPFNLIIRTGALLAPLAVLAGLLILIFDLGRPWRFWKL 81
                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 489121943   85 MFHYSFTSVMSMGVMLFQLYMVVLVLWLAKIFEKEVIALQqrfVPRLTIVSKLLTLITPFHRALETLMLVLAVLLGAYTG 164
Cdd:pfam03916  82 LRYYNFSSIMSWGVMLLSLYMVVLVLWLAVIFEKDLAALG---LPALGFLAKLISLAERVARGLAIIALILAVLLGAYTG 158
                         170       180       190       200       210       220       230       240
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 489121943  165 FLLSALKSYPFLNNPILPVLFLFSGISSGAAVALIAMALRHRSNPHSTEAHFVHRMEVPVVWLEIFLLAAFFVGLALGDD 244
Cdd:pfam03916 159 FLLSAVYSRPLWNSPLLPPLFLASAISSGLAVLLLAMLLAFRFETESPDIGLLHKLEGPVILGEAGLLVAFFVGLYLGGG 238
                         250       260       270       280       290       300       310
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*
gi 489121943  245 GKMRALAAALGGGFWTWWFWLGVAGLGLILPMLLKPWANR-SSTFHGVLAVCGASLTGVLLLRFFILYAGQLTVA 318
Cdd:pfam03916 239 QKIEALHAALSGGFLTVYFWLGVAGLGLAIPLLLSLAVPRlRQNRHAVVIASILVLVGVFSLRFFLLIAGQLTVA 313
NrfD COG3301
Nitrite/polysulfide reductase, membrane component NrfD/PsrC [Inorganic ion transport and ...
5-318 1.05e-77

Nitrite/polysulfide reductase, membrane component NrfD/PsrC [Inorganic ion transport and metabolism];


Pssm-ID: 442530  Cd Length: 297  Bit Score: 239.04  E-value: 1.05e-77
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 489121943   5 SAFHFESLVWDWPIAIYLFLIGISAGLVTLAILLRRFHPEaggSDSTLLRTTLVLGPGAIILGLLILVFHLTRPWTFWKL 84
Cdd:COG3301    3 EYDVFHQLVWGWPIAIYLFLGGLGAGAFLLAALLDLLGRP---ESRALRRAGALIALVFLAIGLLLLVLDLGRPLRFWKL 79
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 489121943  85 MFHYSFTSVMSMGVMLFQLYMVVLVLWLAKIFEKEVIalqqrfvprltivsklLTLITPFHRALETLMLVLAVLLGAYTG 164
Cdd:COG3301   80 LLNPNPTSWMSWGVWLLSLFGLLALLYAALLLKKELR----------------LPLLEKLRRALALLGALLALLLAAYTG 143
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 489121943 165 FLLSALKSYPFLNNPILPVLFLFSGISSGAAVALIAMALRHRSNPHstEAHFVHRMEVPVVWLEIFLLAAFFVGLALGDD 244
Cdd:COG3301  144 FLLSAAKARPLWNTPLLPVLFLVSALSTGAAALLLLALLFGKEPSE--ELHLLHRLDVALILLELVLLAAFLVGLHLGGA 221
                        250       260       270       280       290       300       310
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*
gi 489121943 245 GKMRALAAALgGGFWTWWFWLGVAGLGLILPMLLKPWANRSSTFHGVLAVCGA-SLTGVLLLRFFILYAGQLTVA 318
Cdd:COG3301  222 AAAAAAEALL-TGRYAPLFWGGVVGLGLLLPLLLELAALKLKRSKGLLALAALlVLVGGLLLRYLILYAGQLTPL 295
 
Name Accession Description Interval E-value
cyt_nit_nrfD TIGR03148
cytochrome c nitrite reductase, NrfD subunit; Members of this protein family are NrfD, a ...
5-318 2.56e-156

cytochrome c nitrite reductase, NrfD subunit; Members of this protein family are NrfD, a highly hydrophobic protein encoded in the nrf operon, which encodes cytochrome c nitrite reductase. This multiple heme-containing enzyme can reduce nitrite to ammonia. Members belong to a broader Pfam protein family, pfam03916, which also contains an NrfD-related subunit of polysulphide reductase. [Energy metabolism, Electron transport]


Pssm-ID: 274450  Cd Length: 316  Bit Score: 439.49  E-value: 2.56e-156
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 489121943    5 SAFHFESLVWDWPIAIYLFLIGISAGLVTLAILLRRFHPEAGGSDSTLLRTTLVLGPGAIILGLLILVFHLTRPWTFWKL 84
Cdd:TIGR03148   1 SAFHFDSLVWDWPIAIYLFLLGISAGAVMLAILLKRKVPEEKPSDNWIIRATAILAPFGIIIGLTILIFHLTKPWTFWKL 80
                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 489121943   85 MFHYSFTSVMSMGVMLFQLYMVVLVLWLAKIFEKEVIALQQRFVPRLTIVSKLLTLITPFHRALETLMLVLAVLLGAYTG 164
Cdd:TIGR03148  81 MFFYNFTSVMSMGVMLFQVYMAVLLLWLAIIFKKEVAALLNRYLPILDFVLKLIAIAERFENSIEIFLLVLAVLLGAYTG 160
                         170       180       190       200       210       220       230       240
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 489121943  165 FLLSALKSYPFLNNPILPVLFLFSGISSGAAVALIAMALRHRSNPHSTEAHFVHRMEVPVVWLEIFLLAAFFVGLALGDD 244
Cdd:TIGR03148 161 FLLSALKSYPMLNNPVLPALFLFSGTSSGIAACLLAILLGGKESGHSPEVHFIHKFETPVVLFELFLLVAFFVGLYFGGG 240
                         250       260       270       280       290       300       310
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*.
gi 489121943  245 GKMRALAAALGGGFWTWWFWLGVAGLGLILPMLLKPWANRSSTF--HGVLAVCGASLTGVLLLRFFILYAGQLTVA 318
Cdd:TIGR03148 241 QKTVALQNALLGGFWGSWFWIGVIGIGILIPLLLNLFANDSLKHnkGFIILVSVLSLIGVLCLRFFILYAGQMTVA 316
NrfD pfam03916
Polysulphide reductase, NrfD; NrfD is an integral transmembrane protein with loops in both the ...
5-318 1.40e-91

Polysulphide reductase, NrfD; NrfD is an integral transmembrane protein with loops in both the periplasm and the cytoplasm. NrfD is thought to participate in the transfer of electrons, from the quinone pool into the terminal components of the Nrf pathway.


Pssm-ID: 397824  Cd Length: 313  Bit Score: 275.05  E-value: 1.40e-91
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 489121943    5 SAFHFESLVWDWPIAIYLFLIGISAGLVTLAILLRRFHPEAGGSDSTLLRTTLVLGPGAIILGLLILVFHLTRPWTFWKL 84
Cdd:pfam03916   2 VPFHSNSVVWGLPIAVYLFLIGISAGALILAILYKRFKKNEGKPFNLIIRTGALLAPLAVLAGLLILIFDLGRPWRFWKL 81
                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 489121943   85 MFHYSFTSVMSMGVMLFQLYMVVLVLWLAKIFEKEVIALQqrfVPRLTIVSKLLTLITPFHRALETLMLVLAVLLGAYTG 164
Cdd:pfam03916  82 LRYYNFSSIMSWGVMLLSLYMVVLVLWLAVIFEKDLAALG---LPALGFLAKLISLAERVARGLAIIALILAVLLGAYTG 158
                         170       180       190       200       210       220       230       240
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 489121943  165 FLLSALKSYPFLNNPILPVLFLFSGISSGAAVALIAMALRHRSNPHSTEAHFVHRMEVPVVWLEIFLLAAFFVGLALGDD 244
Cdd:pfam03916 159 FLLSAVYSRPLWNSPLLPPLFLASAISSGLAVLLLAMLLAFRFETESPDIGLLHKLEGPVILGEAGLLVAFFVGLYLGGG 238
                         250       260       270       280       290       300       310
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*
gi 489121943  245 GKMRALAAALGGGFWTWWFWLGVAGLGLILPMLLKPWANR-SSTFHGVLAVCGASLTGVLLLRFFILYAGQLTVA 318
Cdd:pfam03916 239 QKIEALHAALSGGFLTVYFWLGVAGLGLAIPLLLSLAVPRlRQNRHAVVIASILVLVGVFSLRFFLLIAGQLTVA 313
NrfD COG3301
Nitrite/polysulfide reductase, membrane component NrfD/PsrC [Inorganic ion transport and ...
5-318 1.05e-77

Nitrite/polysulfide reductase, membrane component NrfD/PsrC [Inorganic ion transport and metabolism];


Pssm-ID: 442530  Cd Length: 297  Bit Score: 239.04  E-value: 1.05e-77
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 489121943   5 SAFHFESLVWDWPIAIYLFLIGISAGLVTLAILLRRFHPEaggSDSTLLRTTLVLGPGAIILGLLILVFHLTRPWTFWKL 84
Cdd:COG3301    3 EYDVFHQLVWGWPIAIYLFLGGLGAGAFLLAALLDLLGRP---ESRALRRAGALIALVFLAIGLLLLVLDLGRPLRFWKL 79
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 489121943  85 MFHYSFTSVMSMGVMLFQLYMVVLVLWLAKIFEKEVIalqqrfvprltivsklLTLITPFHRALETLMLVLAVLLGAYTG 164
Cdd:COG3301   80 LLNPNPTSWMSWGVWLLSLFGLLALLYAALLLKKELR----------------LPLLEKLRRALALLGALLALLLAAYTG 143
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 489121943 165 FLLSALKSYPFLNNPILPVLFLFSGISSGAAVALIAMALRHRSNPHstEAHFVHRMEVPVVWLEIFLLAAFFVGLALGDD 244
Cdd:COG3301  144 FLLSAAKARPLWNTPLLPVLFLVSALSTGAAALLLLALLFGKEPSE--ELHLLHRLDVALILLELVLLAAFLVGLHLGGA 221
                        250       260       270       280       290       300       310
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*
gi 489121943 245 GKMRALAAALgGGFWTWWFWLGVAGLGLILPMLLKPWANRSSTFHGVLAVCGA-SLTGVLLLRFFILYAGQLTVA 318
Cdd:COG3301  222 AAAAAAEALL-TGRYAPLFWGGVVGLGLLLPLLLELAALKLKRSKGLLALAALlVLVGGLLLRYLILYAGQLTPL 295
HybB COG5557
Ni/Fe-hydrogenase 2 integral membrane subunit HybB [Energy production and conversion];
13-315 4.74e-19

Ni/Fe-hydrogenase 2 integral membrane subunit HybB [Energy production and conversion];


Pssm-ID: 444300  Cd Length: 408  Bit Score: 86.80  E-value: 4.74e-19
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 489121943  13 VWDWPIAIYLFLIGISAGLVTLAILLRRFHPEAGGSdstLLRTTLVLGPGAIILGLLILVFHLTRPWTFWKLMFHYSFTS 92
Cdd:COG5557   55 SWGLYIVNFVFWVGIAAGGTLISAILYLFGQKWRKP---IARLAEALAIFAVICAGLFIVLDLGRPWRLYWLFPYPNFRS 131
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 489121943  93 VMSMGVMLFQLYMVVLVLWLAKIFEKEVIALQQRFVPRLTIVSKLLTLItpfhraLETLMLVLAVLLGAYTGFLLSALKS 172
Cdd:COG5557  132 PLFWDVFVISTYLTVSLLFLYLGLIPDLATLRDRAPGFRRKRYEKWYLI------LAGLATPLALSVHTVTGFLFAGLSA 205
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 489121943 173 YPFLNNPILPVLFLFSGISSG-AAVALIAMALRHRSNPHS--TEAHFVH--RMEVPVVWLEIFLLAA-FFVGLALGDDGK 246
Cdd:COG5557  206 RPGWHTTIFPPYFVAGAFASGfAMVILLLIILRKVTKLEDyiTDEHLDKlgKLLGAFGLIVLYFYLTeFFTALYSGNPYE 285
                        250       260       270       280       290       300       310
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|.
gi 489121943 247 MRALAAALGGGFWtWWFWLGVaGLGLILP--MLLKPWANRSSTFhgVLAVCGASLTGVLLLRFFILYAGQL 315
Cdd:COG5557  286 AEAFIYLFFGPYA-PLFWGEI-ILGVVLPlqLLWFPKLRRNPKL--LFVASILVNIGMWFERYVIVVTGLA 352
COG4881 COG4881
Predicted membrane anchor for polysulfide/nitrite-type reductase, PsrC/NrfD syperfamily ...
14-315 3.99e-12

Predicted membrane anchor for polysulfide/nitrite-type reductase, PsrC/NrfD syperfamily [Inorganic ion transport and metabolism];


Pssm-ID: 443909  Cd Length: 386  Bit Score: 66.21  E-value: 3.99e-12
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 489121943  14 WDWPIAIYLFLIGISAGLVTLAILLRRFHPEAGgsdSTLLRTTLVLGPGAIILGLLILVFHLTRPWTFWKLMFHYSFTSV 93
Cdd:COG4881   23 WSVLIVVYPYMTGLVAGAFILSSLYYVFGVKRL---KPTARLSLLFALAFLLCAPLPLMLHLGQPERAFEIMLTPHFTSA 99
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 489121943  94 MSMGVMLFQLYMVVLVLWLAKIFEKEVIALQQRFVPRLTIVSKLLTL---------ITPFHRALETLMLV---LAVLLGA 161
Cdd:COG4881  100 MAAFGIVYAWYLVVLLLELWFVYRADIVEKAKALKGLRKLIYRILTLgawdiseeaLKRDEKVVKILAIIgipVAALLHG 179
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 489121943 162 YTGFLLSALKSYPFLNNPILPVLFLFSGISSGAAVALIAMALRHRSNPHSTEAHFVHRMevpVVWLEIFLLAAFfvGLAL 241
Cdd:COG4881  180 YVGFIFGSVKANALWSTPLMPIIFLFSAVVSGIALVILAYIASMEIRGRSIDKGCVDTL---AKYLLYFLILAL--TLEL 254
                        250       260       270       280       290       300       310       320
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 489121943 242 GD--------DGKMRALAAALGGGFWtWWFWLGVAGLGLILPMLLKPWANRSSTFHGVLAVCGASLTGVLLLRFFILYAG 313
Cdd:COG4881  255 LDlihrgytaEESWDILRGLIYGKLF-VSFFVIQYGIGALVPLVLLLIPRLTVRRHMAAVASLLTLIGVFAMRWNVVIGG 333

                 ..
gi 489121943 314 QL 315
Cdd:COG4881  334 QL 335
NrfD_2 pfam14589
Polysulfide reductase; Bacterial polysulfide reductase is an integral membrane protein complex ...
1-314 2.34e-04

Polysulfide reductase; Bacterial polysulfide reductase is an integral membrane protein complex responsible for quinone-coupled reduction of polysulfide, a process important in extreme environments such as deep-sea vents and hot springs. Polysulfides are a class of compounds composed of chains of sulfur atoms, which in their simplest form are present as an anion with general formula Sn(2-). In nature, polysulfides are found in particularly high concentrations in extreme volcanic or geothermically active environments. Here, the reduction and oxidation of polysulfides are vital processes for many bacteria and are essential steps in the global sulfur cycle. In particular, the reduction of polysulfide to hydrogen sulfide in these environments is usually linked to energy-generating respiratory processes, supporting growth of many microorganizms, particularly hyperthermophiles.


Pssm-ID: 373147 [Multi-domain]  Cd Length: 281  Bit Score: 41.98  E-value: 2.34e-04
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 489121943    1 MTSASAFHFESLVWDWPIAIYLFLIGISAGLVTLAILLrrfhpeaGGSDSTLLRTTLVLGPGAIILGLLILVFHLTRPWT 80
Cdd:pfam14589   1 MTGEWGIPGAEAFWHWTTLVHFLLLAAAGGGAFLIAVL-------GIRDAAAARGGAFLAFAFIVIDAFLLIADLGAPFR 73
                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 489121943   81 FWKLMFHYSF--TSVMSMGVMLFQLYMVVLVLWLakifekeVIALQQRFVPRLTivsklltlitpfhrALETLMLVLAVL 158
Cdd:pfam14589  74 FSHVWLFLGFepASAIWLGAAGLALSALGLFLLA-------LGLGPAREWAGVL--------------ALTSAILVLLVL 132
                         170       180       190       200       210       220       230       240
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 489121943  159 lgAYTGFLLSALKSYPF-LNNPILPVLFLFSGISSGAAVALIAmalrhrsNPHSTEAHFVHRMEVPVVWLEIFLLAAFFV 237
Cdd:pfam14589 133 --AYPGVALAANAARPFwSGDHLLLAFFLASALLLAAALLVLL-------GNAEEAAPGLHRASFNFALAEIALAAAHLI 203
                         250       260       270       280       290       300       310       320
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 489121943  238 GL---ALGDDGKMRALAAALGGGFWTWWFwlgvagLGLILPMLLKPW-ANRSSTFHGVLAVCGAsltgvLLLRFFILYAG 313
Cdd:pfam14589 204 WLypvALAKGAADAALAFALALAFWGFFL------LGGALPLFLAAFlARRAAALAAACALAGA-----FLLRSFIVEAG 272

                  .
gi 489121943  314 Q 314
Cdd:pfam14589 273 Q 273
 
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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