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3MM5

Dissimilatory sulfite reductase in complex with the substrate sulfite

Functional Information from GO Data
ChainGOidnamespacecontents
A0000103biological_processsulfate assimilation
A0009337cellular_componentsulfite reductase complex (NADPH)
A0016002molecular_functionsulfite reductase activity
A0016020cellular_componentmembrane
A0016491molecular_functionoxidoreductase activity
A0018551molecular_functiondissimilatory sulfite reductase (NADH) activity
A0020037molecular_functionheme binding
A0046872molecular_functionmetal ion binding
A0050311molecular_functionsulfite reductase (ferredoxin) activity
A0051536molecular_functioniron-sulfur cluster binding
A0051539molecular_function4 iron, 4 sulfur cluster binding
B0000103biological_processsulfate assimilation
B0006790biological_processsulfur compound metabolic process
B0009055molecular_functionelectron transfer activity
B0009337cellular_componentsulfite reductase complex (NADPH)
B0016002molecular_functionsulfite reductase activity
B0016020cellular_componentmembrane
B0016491molecular_functionoxidoreductase activity
B0018551molecular_functiondissimilatory sulfite reductase (NADH) activity
B0020037molecular_functionheme binding
B0046872molecular_functionmetal ion binding
B0050311molecular_functionsulfite reductase (ferredoxin) activity
B0051536molecular_functioniron-sulfur cluster binding
B0051539molecular_function4 iron, 4 sulfur cluster binding
D0000103biological_processsulfate assimilation
D0009337cellular_componentsulfite reductase complex (NADPH)
D0016002molecular_functionsulfite reductase activity
D0016020cellular_componentmembrane
D0016491molecular_functionoxidoreductase activity
D0018551molecular_functiondissimilatory sulfite reductase (NADH) activity
D0020037molecular_functionheme binding
D0046872molecular_functionmetal ion binding
D0050311molecular_functionsulfite reductase (ferredoxin) activity
D0051536molecular_functioniron-sulfur cluster binding
D0051539molecular_function4 iron, 4 sulfur cluster binding
E0000103biological_processsulfate assimilation
E0006790biological_processsulfur compound metabolic process
E0009055molecular_functionelectron transfer activity
E0009337cellular_componentsulfite reductase complex (NADPH)
E0016002molecular_functionsulfite reductase activity
E0016020cellular_componentmembrane
E0016491molecular_functionoxidoreductase activity
E0018551molecular_functiondissimilatory sulfite reductase (NADH) activity
E0020037molecular_functionheme binding
E0046872molecular_functionmetal ion binding
E0050311molecular_functionsulfite reductase (ferredoxin) activity
E0051536molecular_functioniron-sulfur cluster binding
E0051539molecular_function4 iron, 4 sulfur cluster binding
Functional Information from PDB Data
site_idAC1
Number of Residues35
DetailsBINDING SITE FOR RESIDUE SRM A 580
ChainResidue
AARG80
ALYS211
ALYS213
ALYS215
AARG229
ALYS314
AALA315
APRO316
APHE317
AARG358
AARG360
AARG98
AHOH454
ASO3590
BARG60
BTHR134
BGLN135
BHIS139
BHIS141
BTHR142
BASN180
BCYS182
AGLY131
BGLY183
BTHR249
BHOH457
BHOH479
BHOH569
BSF4585
ASER132
ATHR133
AGLY134
AASP135
AILE137
ATYR210

site_idAC2
Number of Residues9
DetailsBINDING SITE FOR RESIDUE SF4 B 585
ChainResidue
ASRM580
BTHR134
BCYS140
BTHR142
BPRO143
BCYS177
BCYS178
BASN180
BCYS182

site_idAC3
Number of Residues7
DetailsBINDING SITE FOR RESIDUE SF4 B 586
ChainResidue
BCYS220
BLEU225
BCYS241
BMET242
BCYS244
BGLY245
BCYS247

site_idAC4
Number of Residues36
DetailsBINDING SITE FOR RESIDUE SRM B 570
ChainResidue
ACYS175
AMET176
ACYS181
AGLU182
APHE183
AASN221
ACYS223
AASN293
ASF4575
BHIS33
BILE41
BARG43
BARG55
BARG83
BTHR85
BSER86
BARG87
BASN89
BGLY117
BTHR118
BTRP119
BALA121
BSER129
BMET170
BARG172
BLEU272
BSER273
BARG276
BARG319
BHOH400
BHOH410
BHOH419
BHOH422
BHOH553
BHOH612
BHOH765

site_idAC5
Number of Residues10
DetailsBINDING SITE FOR RESIDUE SF4 A 575
ChainResidue
ACYS175
AMET176
ACYS181
AALA184
AGLY218
ACYS219
AASN221
AASP222
ACYS223
BSRM570

site_idAC6
Number of Residues6
DetailsBINDING SITE FOR RESIDUE SF4 A 576
ChainResidue
AVAL286
ACYS288
AMET289
ACYS291
ACYS266
ACYS285

site_idAC7
Number of Residues29
DetailsBINDING SITE FOR RESIDUE SRM D 580
ChainResidue
DILE78
DARG80
DARG98
DGLY131
DSER132
DTHR133
DGLY134
DASP135
DTYR210
DLYS211
DLYS213
DLYS215
DARG229
DLYS314
DALA315
DPHE317
DARG358
DARG360
DSO3590
EARG60
ETHR134
EGLN135
EHIS139
EHIS141
EASN180
ECYS182
EGLY183
ETHR249
ESF4585

site_idAC8
Number of Residues10
DetailsBINDING SITE FOR RESIDUE SF4 E 585
ChainResidue
DSRM580
ETHR134
EGLN135
ECYS140
ETHR142
EPRO143
ECYS177
ECYS178
EASN180
ECYS182

site_idAC9
Number of Residues8
DetailsBINDING SITE FOR RESIDUE SF4 E 586
ChainResidue
ECYS220
ETHR222
ELEU225
ECYS241
EMET242
ECYS244
EGLY245
ECYS247

site_idBC1
Number of Residues31
DetailsBINDING SITE FOR RESIDUE SRM E 570
ChainResidue
DMET176
DCYS181
DGLU182
DPHE183
DASN221
DCYS223
DASN293
DSF4575
EHIS33
EILE41
EARG43
EARG55
EARG83
ETHR85
ESER86
EARG87
EASN89
EGLY117
ETHR118
ETRP119
EALA121
ESER129
EMET170
EARG172
ELEU272
ESER273
EARG276
EARG319
EHOH675
EHOH878
EHOH1050

site_idBC2
Number of Residues10
DetailsBINDING SITE FOR RESIDUE SF4 D 575
ChainResidue
DCYS175
DMET176
DCYS181
DPHE183
DALA184
DGLY218
DCYS219
DASN221
DCYS223
ESRM570

site_idBC3
Number of Residues6
DetailsBINDING SITE FOR RESIDUE SF4 D 576
ChainResidue
DCYS266
DCYS285
DVAL286
DCYS288
DMET289
DCYS291

site_idBC4
Number of Residues6
DetailsBINDING SITE FOR RESIDUE SO3 A 590
ChainResidue
AARG98
AARG170
ALYS211
ALYS213
ASRM580
BHOH490

site_idBC5
Number of Residues5
DetailsBINDING SITE FOR RESIDUE SO3 D 590
ChainResidue
DARG98
DARG170
DLYS211
DLYS213
DSRM580

Functional Information from PROSITE/UniProt
site_idPS00198
Number of Residues12
Details4FE4S_FER_1 4Fe-4S ferredoxin-type iron-sulfur binding region signature. CmYCGnCYtMCP
ChainResidueDetails
BCYS241-PRO252

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues116
DetailsDomain: {"description":"4Fe-4S ferredoxin-type","evidences":[{"source":"PROSITE-ProRule","id":"PRU00711","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues28
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"18495156","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"20822098","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"3MM5","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3MMC","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues4
DetailsBinding site: {"description":"axial binding residue","evidences":[{"source":"PubMed","id":"18495156","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"20822098","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

247536

PDB entries from 2026-01-14

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