Structure of PDB 8bcx Chain C Binding Site BS02

Receptor Information
>8bcx Chain C (length=443) Species: 269799 (Geobacter metallireducens GS-15) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
KTVQIPDGEVDPAVWGKAYPTEYEMWKKKRGFDADHVTYDKLSEFPYMAL
LFNGWGFGIAYNEPRGHANMVRDQLEIDSARLKSGGVCLTCKTPYAPKLE
KEMGIDYFKTPFKDVLAKIPEKHKTLGVACIDCHDNKDMSLRISRGFTLG
EALKKLGVDQAKLSRQEMRSLVCAQCHVTYNIPKDADKKSIGVYFPWQGS
KMGNISVENIIKQIRSDASVGEWTQTVTGFKLGFIRHPEYELFSNNSVHW
KAGAACTDCHMPYTRVGAFKVSDHRVMSPLKNDMKACIQCHTEKPEWLRD
QVIAIQDRTVSLMLRSGYATATVAKLFEKAHAAQAQGKQIDKALYDRAKD
LYEEAFYRCVFIGAENSVGFHNPTEAMRVLGDATAFATKAEALLRQALAK
AGVDVPLTVNLELNKYLDQRGEKKLTFDPKVEIKDPYGVQVRF
Ligand information
Ligand IDHEC
InChIInChI=1S/C34H34N4O4.Fe/c1-7-21-17(3)25-13-26-19(5)23(9-11-33(39)40)31(37-26)16-32-24(10-12-34(41)42)20(6)28(38-32)15-30-22(8-2)18(4)27(36-30)14-29(21)35-25;/h7-8,13-16H,9-12H2,1-6H3,(H,39,40)(H,41,42);/q-4;+4/b21-7?,22-8?,26-13-,29-14-,30-15-,31-16-;
InChIKeyHXQIYSLZKNYNMH-LJNAALQVSA-N
SMILES
SoftwareSMILES
ACDLabs 10.04O=C(O)CCC1=C(C2=CC6=C(C(=C/C)\C5=CC4=C(C(\C3=Cc7c(c(c8C=C1N2[Fe](N34)(N56)n78)CCC(=O)O)C)=C/C)C)C)C
OpenEye OEToolkits 1.5.0CC=C1C(=C2C=C3C(=CC)C(=C4N3[Fe]56N2C1=Cc7n5c(c(c7C)CCC(=O)O)C=C8N6C(=C4)C(=C8CCC(=O)O)C)C)C
CACTVS 3.341C\C=C1/C(=C2C=C3N4C(=Cc5n6c(C=C7N8C(=C(C)\C7=C/C)C=C1N2[Fe@@]468)c(C)c5CCC(O)=O)C(=C3C)CCC(O)=O)C
CACTVS 3.341CC=C1C(=C2C=C3N4C(=Cc5n6c(C=C7N8C(=C(C)C7=CC)C=C1N2[Fe]468)c(C)c5CCC(O)=O)C(=C3C)CCC(O)=O)C
FormulaC34 H34 Fe N4 O4
NameHEME C
ChEMBL
DrugBank
ZINC
PDB chain8bcx Chain C Residue 502 [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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PDB8bcx An unusual active site architecture in cytochrome c nitrite reductase NrfA-1 from Geobacter metallireducens.
Resolution1.941 Å
Binding residue
(original residue number in PDB)		R75 H222 F288 H294 C301 C304 H305 S323 P324 L325 F415 H416
Binding residue
(residue number reindexed from 1)		R30 H177 F243 H249 C256 C259 H260 S278 P279 L280 F370 H371
Annotation score1
Enzymatic activity
Enzyme Commision number 1.7.2.2: nitrite reductase (cytochrome; ammonia-forming).
Gene Ontology
Molecular Function
GO:0042279 nitrite reductase (cytochrome, ammonia-forming) activity
Cellular Component
GO:0042597 periplasmic space

View graph for
Molecular Function
View graph for
Cellular Component
External links
PDB RCSB:8bcx, PDBe:8bcx, PDBj:8bcx
PDBsum8bcx
PubMed37460131
UniProtQ39YY5

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