7AU3

Cytochrome c oxidase structure in F-state

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Cytochrome c oxidase subunit 1-beta	polymer	558	62486.6	1	UniProt (P98002) Pfam (PF00115)	Paracoccus denitrificans	Cytochrome aa3 subunit 1-beta,Cytochrome c oxidase polypeptide I-beta
2	B (B)	Cytochrome c oxidase subunit 2	polymer	298	32563.6	1	UniProt (P08306) Pfam (PF02790) Pfam (PF00116)	Paracoccus denitrificans	Cytochrome aa3 subunit 2,Cytochrome c oxidase polypeptide II,Oxidase aa(3) subunit 2
3	C (C)	Cytochrome c oxidase subunit 3	polymer	274	30808.2	1	UniProt (P06030) Pfam (PF00510)	Paracoccus denitrificans	Cytochrome aa3 subunit 3,Cytochrome c oxidase polypeptide III,Oxidase aa(3) subunit 3
4	D (D)	Cytochrome c oxidase subunit 4	polymer	50	5509.3	1	UniProt (P77921) Pfam (PF07835)	Paracoccus denitrificans	Cytochrome aa3 subunit 4,Cytochrome c oxidase polypeptide IV
5	E (A)	MANGANESE (II) ION	non-polymer		54.9	1	Chemie (MN)
6	F, G (A)	HEME-A	non-polymer		852.8	2	Chemie (HEA)
7	H (A)	COPPER (II) ION	non-polymer		63.5	1	Chemie (CU)
8	I (A)	CALCIUM ION	non-polymer		40.1	1	Chemie (CA)
9	J (A)	OXYGEN ATOM	non-polymer		16.0	1	Chemie (O)
10	K (A)	SUPEROXO ION	non-polymer		32.0	1	Chemie (2FK)
11	L (B)	DINUCLEAR COPPER ION	non-polymer		127.1	1	Chemie (CUA)
12	M (C)	(1R)-2-{[{[(2S)-2,3-DIHYDROXYPROPYL]OXY}(HYDROXY)PHOSPHORYL]OXY}-1-[(PALMITOYLOXY)METHYL]ETHYL (11E)-OCTADEC-11-ENOATE	non-polymer		749.0	1	Chemie (PGV)
13	N, O, P (A, B, C)	water	water		18.0	162	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	131367.8
Non-Polymers*	Number of molecules	9
	Total formula weight	2788.3
All*	Total formula weight	134156.1

*Water molecules are not included.