Structure of PDB 7b04 Chain C Binding Site BS01

Receptor Information

>7b04 Chain C (length=292) Species: 174633 (Candidatus Kuenenia stuttgartiensis)

AEGVKGVAEEELTPAKEVLNVKYMQIDVPAHITVGALEGAFKNAEGVQVK
LQKQDKAFPNGGGSVNSAEIKAIHDGITIYFQVIWDDATDNKQAIATQEF
RDGAALMFPLGKITISPEEPFSPRMGDRQKPVNLWHWKADWEADLLATGG
IEECPARYPNMHDDFSTNPHSVNYHKGVIQSAAELSGGYAAHNLLSLPRG
RAVEDLNAEGFGTLTSQDHQDVDGCSKFENKKWTVVFCRSLNTGDPLDVQ
FVPGESTYFNMAVWNGDREDRNGQKNISIQWHPLSLERIAWQ

Ligand information

• Ligand ID: HEM
• InChI: InChI=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,1-2,9-12H2,3-6H3,(H4,35,36,37,38,39,40,41,42);/q;+2/p-2/b25-13-,26-13-,27-14-,28-15-,29-14-,30-15-,31-16-,32-16-;
• InChIKey: KABFMIBPWCXCRK-RGGAHWMASA-L
• SMILES:
  OpenEye OEToolkits 1.7.6: Cc1c2n3c(c1CCC(=O)O)C=C4C(=C(C5=[N]4[Fe]36[N]7=C(C=C8N6C(=C5)C(=C8C)C=C)C(=C(C7=C2)C)C=C)C)CCC(=O)O
  CACTVS 3.385: CC1=C(CCC(O)=O)C2=Cc3n4[Fe]5|6|N2=C1C=c7n5c(=CC8=N|6C(=Cc4c(C)c3CCC(O)=O)C(=C8C=C)C)c(C)c7C=C
  ACDLabs 12.01: C=1c3c(c(c4C=C5C(=C(C=6C=C7C(=C(C8=CC=2C(=C(C=1N=2[Fe](n34)(N5=6)N78)CCC(=O)O)C)\C=C)C)\C=C)C)C)CCC(=O)O
• Formula: C34 H32 Fe N4 O4
• Name: PROTOPORPHYRIN IX CONTAINING FE;
  HEME
• DrugBank: DB18267
• PDB chain: 7b04 Chain C Residue 401

Receptor-Ligand Complex Structure

Structure summary

• PDB: 7b04 Structural and functional characterization of the intracellular filament-forming nitrite oxidoreductase multiprotein complex
• Resolution: 2.97 Å
• Binding residue (original residue number in PDB): Q84 A135 M137 R154 M155 L164 H166 F241 G242 T243 L244 N290 M291 A292 W294 N302 K305
• Binding residue (residue number reindexed from 1): Q54 A105 M107 R124 M125 L134 H136 F211 G212 T213 L214 N260 M261 A262 W264 N272 K275
• Annotation score: 4

Gene Ontology

Molecular Function

• GO:0020037 heme binding

Cellular Component

• GO:0042597 periplasmic space

External links

• PDB: RCSB:7b04, PDBe:7b04, PDBj:7b04
• PDBsum: 7b04
• UniProt: Q1PZD4