Structure of PDB 3hb3 Chain B Binding Site BS02

Receptor Information

>3hb3 Chain B (length=252) Species: 266 (Paracoccus denitrificans)

QDVLGDLPVIGKPVNGGMNFQPASSPLAHDQQWLDHFVLYIITAVTIFVC
LLLLICIVRFNRRANPVPARFTHNTPIEVIWTLVPVLILVAIGAFSLPIL
FRSQEMPNDPDLVIKAIGHQWYWSYEYPNDGVAFDALMLEKEALADAGYS
EDEYLLATDNPVVVPVGKKVLVQVTATDVIHAWTIPAFAVKQDAVPGRIA
QLWFSVDQEGVYFGQCSELCGINHAYMPIVVKAVSQEKYEAWLAGAKEEF
AA

Ligand information

• Ligand ID: CU1
• InChI: InChI=1S/Cu/q+1
• InChIKey: VMQMZMRVKUZKQL-UHFFFAOYSA-N
• SMILES:
  ACDLabs 10.04
  CACTVS 3.341
  OpenEye OEToolkits 1.5.0: [Cu+]
• Formula: Cu
• Name: COPPER (I) ION
• PDB chain: 3hb3 Chain B Residue 270

Receptor-Ligand Complex Structure

Structure summary

• PDB: 3hb3 High resolution crystal structure of Paracoccus denitrificans cytochrome c oxidase: New insights into the active site and the proton transfer pathways
• Resolution: 2.25 Å
• Binding residue (original residue number in PDB): C216 E218 H224
• Binding residue (residue number reindexed from 1): C216 E218 H224
• Annotation score: 1

Enzymatic activity

• 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:0016491 oxidoreductase activity

Biological Process

• GO:0022900 electron transport chain

Cellular Component

• GO:0016020 membrane

External links

• PDB: RCSB:3hb3, PDBe:3hb3, PDBj:3hb3
• PDBsum: 3hb3
• PubMed: 19374884
• UniProt: P08306|COX2_PARDE Cytochrome c oxidase subunit 2 (Gene Name=ctaC)