Structure of PDB 3eh3 Chain B Binding Site BS01

Receptor Information

>3eh3 Chain B (length=166) Species: 300852 (Thermus thermophilus HB8)

DQHKAHKAILAYEKGWLAFSLAMLFVFIALIAYTLATHTAGVIPAGKLER
VDPTTVRQEGPWADPAQAVVQTGPNQYTVYVLAFAFGYQPNPIEVPQGAE
IVFKITSPDVIHGFHVEGTNINVEVLPGEVSTVRYTFKRPGEYRIICNQY
CGLGHQNMFGTIVVKE

Ligand information

• Ligand ID: CUA
• InChI: InChI=1S/2Cu
• InChIKey: ALKZAGKDWUSJED-UHFFFAOYSA-N
• SMILES:
  ACDLabs 10.04
  CACTVS 3.341
  OpenEye OEToolkits 1.5.0: [Cu][Cu]
• Formula: Cu2
• Name: DINUCLEAR COPPER ION
• PDB chain: 3eh3 Chain B Residue 802

Receptor-Ligand Complex Structure

Structure summary

• PDB: 3eh3 Combined microspectrophotometric and crystallographic examination of chemically reduced and X-ray radiation-reduced forms of cytochrome ba3 oxidase from Thermus thermophilus: structure of the reduced form of the enzyme.
• Resolution: 3.1 Å
• Binding residue (original residue number in PDB): H114 C149 C153 H157 M160
• Binding residue (residue number reindexed from 1): H112 C147 C151 H155 M158
• Annotation score: 1

Enzymatic activity

• Catalytic site (original residue number in PDB): F86 F88
• Catalytic site (residue number reindexed from 1): F84 F86
• Enzyme Commision number: 7.1.1.9: cytochrome-c oxidase.

Gene Ontology

Molecular Function

• GO:0004129 cytochrome-c oxidase activity
• GO:0005507 copper ion binding
• GO:0046872 metal ion binding

Biological Process

• GO:1902600 proton transmembrane transport

Cellular Component

• GO:0005886 plasma membrane
• GO:0016020 membrane

External links

• PDB: RCSB:3eh3, PDBe:3eh3, PDBj:3eh3
• PDBsum: 3eh3
• PubMed: 19140675
• UniProt: Q5SJ80|COX2_THET8 Cytochrome c oxidase subunit 2 (Gene Name=cbaB)