Structure of PDB 1m56 Chain H Binding Site BS01

Receptor Information

>1m56 Chain H (length=260) Species: 1063 (Cereibacter sphaeroides)

LEIIGRPQPGGTGFQPSASPVATQIHWLDGFILVIIAAITIFVTLLILYA
VWRFHEKRNKVPARFTHNSPLEIAWTIVPIVILVAIGAFSLPVLFNQQEI
PEADVTVKVTGYQWYWGYEYPDEEISFESYMIGSPATGGDNRMSPEVEQQ
LIEAGYSRDEFLLATDTAMVVPVNKTVVVQVTGADVIHSWTVPAFGVKQD
AVPGRLAQLWFRAEREGIFFGQCSELCGISHAYMPITVKVVSEEAYAAWL
EQARGGTYEL

Ligand information

• Ligand ID: CU
• InChI: InChI=1S/Cu/q+2
• InChIKey: JPVYNHNXODAKFH-UHFFFAOYSA-N
• SMILES:
  ACDLabs 10.04
  OpenEye OEToolkits 1.5.0: [Cu+2]
  CACTVS 3.341: [Cu++]
• Formula: Cu
• Name: COPPER (II) ION
• DrugBank: DB14552
• PDB chain: 1m56 Chain H Residue 1003

Receptor-Ligand Complex Structure

Structure summary

• PDB: 1m56 The X-ray crystal structures of wild-type and EQ(I-286) mutant cytochrome c oxidases from Rhodobacter sphaeroides.
• Resolution: 2.3 Å
• Binding residue (original residue number in PDB): C252 C256 H260
• Binding residue (residue number reindexed from 1): C223 C227 H231
• 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:0005515 protein binding
• GO:0016491 oxidoreductase activity
• GO:0046872 metal ion binding

Biological Process

• GO:0022900 electron transport chain
• GO:0042773 ATP synthesis coupled electron transport
• GO:1902600 proton transmembrane transport

Cellular Component

• GO:0005886 plasma membrane
• GO:0016020 membrane

External links

• PDB: RCSB:1m56, PDBe:1m56, PDBj:1m56
• PDBsum: 1m56
• PubMed: 12144789
• UniProt: Q03736|COX2_CERSP Cytochrome c oxidase subunit 2 (Gene Name=ctaC)