Structure of PDB 8bqs Chain CB Binding Site BS01

Receptor Information

>8bqs Chain CB (length=285) Species: 312017 (Tetrahymena thermophila SB210)

AESNDATSICLESISGTIKGLQKANYVVEHNPNLTSEEKKHLKQFLVYRY
NPADPHDQPKYVSYWCDIKKFPPMFLDAILYIKNELDPTLSIRRSCREGI
CGSCAVNCDGLHTLACISGFNRDLSKPTIITPLGHMFILKDLVVDMTNFY
AQYKMIEPYLKRKTPKPDANKEYPQSPEQRALLDGLYECVLCAACSTSCP
SYWWHPDRYLGPAILQQAYRWIVDSRDEYTQERIERIAEDVRLDDCQQIG
MCSFTCPKGLNPQLSLKNLMDMVKDFRQKRIEQEV

Ligand information

• Ligand ID: FES
• InChI: InChI=1S/2Fe.2S
• InChIKey: NIXDOXVAJZFRNF-UHFFFAOYSA-N
• SMILES:
  ACDLabs 10.04: [Fe]1S[Fe]S1
  CACTVS 3.341
  OpenEye OEToolkits 1.5.0: S1[Fe]S[Fe]1
• Formula: Fe2 S2
• Name: FE2/S2 (INORGANIC) CLUSTER
• PDB chain: 8bqs Chain CB Residue 1000

Receptor-Ligand Complex Structure

Structure summary

• PDB: 8bqs Structural basis of mitochondrial membrane bending by I-II-III2-IV2 supercomplex
• Resolution: 2.9 Å
• Binding residue (original residue number in PDB): C122 R123 G125 C127 G128 C130 C142
• Binding residue (residue number reindexed from 1): C96 R97 G99 C101 G102 C104 C116
• Annotation score: 1

Enzymatic activity

• Enzyme Commision number: 1.3.5.1: succinate dehydrogenase.

Gene Ontology

Molecular Function

• GO:0008177 succinate dehydrogenase (quinone) activity
• GO:0009055 electron transfer activity
• GO:0016491 oxidoreductase activity
• GO:0051536 iron-sulfur cluster binding
• GO:0051537 2 iron, 2 sulfur cluster binding
• GO:0051538 3 iron, 4 sulfur cluster binding

Biological Process

• GO:0006099 tricarboxylic acid cycle
• GO:0009060 aerobic respiration
• GO:0022904 respiratory electron transport chain

Cellular Component

• GO:0005743 mitochondrial inner membrane

External links

• PDB: RCSB:8bqs, PDBe:8bqs, PDBj:8bqs
• PDBsum: 8bqs
• UniProt: I7M403