Structure of PDB 3fyi Chain B

Receptor sequence
>3fyiB (length=256) Species: 1063 (Cereibacter sphaeroides) [Search protein sequence]
LEIIGRPQPGGTGFQPSASPVATQIHWLDGFILVIIAAITIFVTLLILYA
VWRFHEKRNKVPARFTHNSPLEIAWTIVPIVILVAIGAFSLPVLFNQQEI
PEADVTVKVTGYQWYWGYEYPDEEISFESYMIGSPATGGDNRMSPEVEQQ
LIEAGYSRDEFLLATDTAMVVPVNKTVVVQVTGADVIHSWTVPAFGVKQD
AVPGRLAQLWFRAEREGIFFGQCSELCGISHAYMPITVKVVSEEAYAAWL
EQHHHH
3D structure
PDB3fyi Redox dependent conformational changes in cytochrome c oxidase suggest a gating mechanism for proton uptake.
ChainB
Resolution2.2 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 7.1.1.9: cytochrome-c oxidase.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 CU1 B C252 E254 C256 H260 C223 E225 C227 H231
BS02 CU1 B H217 C252 C256 M263 H188 C223 C227 M234
BS03 DMU B F94 H96 N97 L100 W104 F65 H67 N68 L71 W75
BS04 DMU B P121 F124 E128 P92 F95 E99
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

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Cellular Component
External links
PDB RCSB:3fyi, PDBe:3fyi, PDBj:3fyi
PDBsum3fyi
PubMed19397279
UniProtQ03736|COX2_CERSP Cytochrome c oxidase subunit 2 (Gene Name=ctaC)

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