Structure of PDB 3mma Chain B Binding Site BS01

Receptor Information
>3mma Chain B (length=363) Species: 2234 (Archaeoglobus fulgidus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
EGVKTDFGPPYFRDLLHPVIAKNYGKWKYHEVVKPGVIKRVAESGDVIYV
VRFGTPRLLSIYTVRELCDIADKYSDGYLRWTSRNNVEFFVTDESKIDDL
INEVQERVGFPCGGTWDAVKGEYGLSNIVHTQGWIHCHTPAIDASGIVKA
VMDELYEYFTDHKLPAMCRISLACCANMCGAVHASDIAIVGIHRTPPIPN
DEAIRKTCEIPSTVAACPTGALKPDMKNKTIKVDVEKCMYCGNCYTMCPG
MPLFDPENDGAAIMVGGKLSEARRMPELSKVVVPWVPNEPPRWPTLVKYV
KQILEAWAANANKHERLIEWVDRIGWERFFELTGLEFTQHLIDDYRITPY
FYSEFRASTQFKW
Ligand information
Ligand IDSRM
InChIInChI=1S/C42H46N4O16.Fe/c1-41(17-39(59)60)23(5-9-35(51)52)29-14-27-21(11-37(55)56)19(3-7-33(47)48)25(43-27)13-26-20(4-8-34(49)50)22(12-38(57)58)28(44-26)15-31-42(2,18-40(61)62)24(6-10-36(53)54)30(46-31)16-32(41)45-29;/h13-16,23-24H,3-12,17-18H2,1-2H3,(H10,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62);/q;+2/p-2/t23?,24-,41+,42+;/m1./s1
InChIKeyDLKSSIHHLYNIKN-MWBYXLBFSA-L
SMILES
SoftwareSMILES
OpenEye OEToolkits 2.0.7C[C@@]1(C(C2=[N]3C1=Cc4c(c(c5n4[Fe]36N7C(=C5)C(=C(C7=CC8=[N]6C(=C2)[C@@](C8CCC(=O)O)(C)CC(=O)O)CC(=O)O)CCC(=O)O)CCC(=O)O)CC(=O)O)CCC(=O)O)CC(=O)O
ACDLabs 10.04O=C(O)CCC=6C7=Cc1c(c(c2n1[Fe]84N5C(=CC3=C(CCC(=O)O)C(C(=C2)N34)(C)CC(=O)O)C(C(=C5C=C(C=6CC(=O)O)N78)CCC(=O)O)(C)CC(=O)O)CC(=O)O)CCC(=O)O
OpenEye OEToolkits 2.0.7CC1(C(C2=[N]3C1=Cc4c(c(c5n4[Fe]36N7C(=C5)C(=C(C7=CC8=[N]6C(=C2)C(C8CCC(=O)O)(C)CC(=O)O)CC(=O)O)CCC(=O)O)CCC(=O)O)CC(=O)O)CCC(=O)O)CC(=O)O
CACTVS 3.385C[C@]1(CC(O)=O)[C@@H](CCC(O)=O)C2=NC1=CC3=NC(=Cc4n5[Fe][N@@]6C(=C2)C(=C(CCC(O)=O)C6=Cc5c(CCC(O)=O)c4CC(O)=O)CC(O)=O)[C@@](C)(CC(O)=O)[C@@H]3CCC(O)=O
CACTVS 3.385C[C]1(CC(O)=O)[CH](CCC(O)=O)C2=NC1=CC3=NC(=Cc4n5[Fe][N]6C(=C2)C(=C(CCC(O)=O)C6=Cc5c(CCC(O)=O)c4CC(O)=O)CC(O)=O)[C](C)(CC(O)=O)[CH]3CCC(O)=O
FormulaC42 H44 Fe N4 O16
NameSIROHEME
ChEMBL
DrugBank
ZINC
PDB chain3mma Chain A Residue 580 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB3mma Reaction cycle of the dissimilatory sulfite reductase from Archaeoglobus fulgidus.
Resolution2.3 Å
Binding residue
(original residue number in PDB)		R60 T134 Q135 H139 H141 T142 N180 C182 G183
Binding residue
(residue number reindexed from 1)		R57 T131 Q132 H136 H138 T139 N177 C179 G180
Annotation score1
Enzymatic activity
Enzyme Commision number 1.8.1.22: dissimilatory sulfite reductase.
Gene Ontology
Molecular Function
GO:0009055 electron transfer activity
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
GO:0006790 sulfur compound metabolic process
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:3mma, PDBe:3mma, PDBj:3mma
PDBsum3mma
PubMed20822098
UniProtQ59110|DSRB_ARCFU Sulfite reductase, dissimilatory-type subunit beta (Gene Name=dsrB)

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