Structure of PDB 3mmb Chain A Binding Site BS03

Receptor Information
>3mmb Chain A (length=417) Species: 2234 (Archaeoglobus fulgidus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
SETPLLDELEKGPWPSFVKEIKKTAELMEKAAAEGKDVKMPKGARGLLKQ
LEISYKDKKTHWKHGGIVSVVGYGGGVIGRYSDLGEQIPEVEHFHTMRIN
QPSGWFYSTKALRGLCDVWEKWGSGLTNFHGSTGDIIFLGTRSEYLQPCF
EDLGNLEIPFDIGGSGSDLRTPSACMGPALCEFACYDTLELCYDLTMTYQ
DELHRPMWPYKFKIKCAGCPNDCVASKARSDFAIIGTWKDDIKVDQEAVK
EYASWMDIENEVVKLCPTGAIKWDGKELTIDNRECVRCMHCINKMPKALK
PGDERGATILIGGKAPFVEGAVIGWVAVPFVEVEKPYDEIKEILEAIWDW
WDEEGKFRERIGELIWRKGMREFLKVIGREADVRMVKAPRNNPFMFFEKD
ELKPSAYTEELKKRGMW
Ligand information
Ligand IDSF4
InChIInChI=1S/4Fe.4S
InChIKeyLJBDFODJNLIPKO-UHFFFAOYSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 2.0.7[S]12[Fe]3[S]4[Fe]1[S]5[Fe]2[S]3[Fe]45
CACTVS 3.385S1[Fe]S[Fe]1.S2[Fe]S[Fe]2
FormulaFe4 S4
NameIRON/SULFUR CLUSTER
ChEMBL
DrugBank
ZINC
PDB chain3mmb Chain A Residue 576 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB3mmb Reaction cycle of the dissimilatory sulfite reductase from Archaeoglobus fulgidus.
Resolution2.3 Å
Binding residue
(original residue number in PDB)		C266 P267 C285 V286 R287 C288 M289 C291
Binding residue
(residue number reindexed from 1)		C266 P267 C285 V286 R287 C288 M289 C291
Annotation score1
Enzymatic activity
Enzyme Commision number 1.8.1.22: dissimilatory sulfite reductase.
Gene Ontology
Molecular Function
GO:0016002 sulfite reductase activity
GO:0016491 oxidoreductase activity
GO:0018551 dissimilatory sulfite reductase activity
GO:0020037 heme binding
GO:0046872 metal ion binding
GO:0050311 sulfite reductase (ferredoxin) activity
GO:0051536 iron-sulfur cluster binding
GO:0051539 4 iron, 4 sulfur cluster binding
Biological Process
GO:0000103 sulfate assimilation
Cellular Component
GO:0009337 sulfite reductase complex (NADPH)
GO:0016020 membrane

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:3mmb, PDBe:3mmb, PDBj:3mmb
PDBsum3mmb
PubMed20822098
UniProtQ59109|DSRA_ARCFU Sulfite reductase, dissimilatory-type subunit alpha (Gene Name=dsrA)

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