Structure of PDB 8e9g Chain I Binding Site BS02

Receptor Information

>8e9g Chain I (length=165) Species: 246196 (Mycolicibacterium smegmatis MC2 155)

FLDALAGFAVTLGSMFKKPITEGYPEKPGPVAPRYHGRHQLNRYPDGLEK
CIGCELCAWACPADAIYVEGADNTADERYSPGERYGRVYQINYLRCIGCG
LCIEACPTRALTMTTEYEMADDNRADLIWGKDKLLAPLQEGMQAPPHDMA
PGKTDDDYYLGNVTP

Ligand information

• Ligand ID: SF4
• InChI: InChI=1S/4Fe.4S
• InChIKey: LJBDFODJNLIPKO-UHFFFAOYSA-N
• SMILES:
  OpenEye OEToolkits 2.0.7: [S]12[Fe]3[S]4[Fe]1[S]5[Fe]2[S]3[Fe]45
  CACTVS 3.385: S1[Fe]S[Fe]1.S2[Fe]S[Fe]2
• Formula: Fe4 S4
• Name: IRON/SULFUR CLUSTER
• PDB chain: 8e9g Chain I Residue 202

Receptor-Ligand Complex Structure

Structure summary

• PDB: 8e9g Structure of mycobacterial respiratory complex I.
• Resolution: 2.6 Å
• Binding residue (original residue number in PDB): C54 I55 G56 C57 E58 C60 Y92 C109 A113
• Binding residue (residue number reindexed from 1): C51 I52 G53 C54 E55 C57 Y89 C106 A110
• Annotation score: 1

Enzymatic activity

• Enzyme Commision number: 7.1.1.-

Gene Ontology

Molecular Function

• GO:0003954 NADH dehydrogenase activity
• GO:0005506 iron ion binding
• GO:0016651 oxidoreductase activity, acting on NAD(P)H
• GO:0046872 metal ion binding
• GO:0048038 quinone binding
• GO:0050136 NADH:ubiquinone reductase (non-electrogenic) activity
• GO:0051539 4 iron, 4 sulfur cluster binding

Biological Process

• GO:0009060 aerobic respiration

Cellular Component

• GO:0005886 plasma membrane
• GO:0016020 membrane

External links

• PDB: RCSB:8e9g, PDBe:8e9g, PDBj:8e9g
• PDBsum: 8e9g
• PubMed: 36952383
• UniProt: A0QU28|NUOI_MYCS2 NADH-quinone oxidoreductase subunit I (Gene Name=nuoI)