2YEV

Structure of caa3-type cytochrome oxidase

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, D (A, D)	CYTOCHROME C OXIDASE POLYPEPTIDE I+III	polymer	791	89281.1	2	UniProt (P98005) Pfam (PF00115) Pfam (PF00510)	THERMUS THERMOPHILUS	CYTOCHROME C AA(3) SUBUNIT 1, A-PROTEIN, CYTOCHROME CAA3CAA3-TYPE CYTOCHROME OXIDASE SUBUNIT I/III
2	B, E (B, E)	CYTOCHROME C OXIDASE SUBUNIT 2	polymer	337	37388.0	2	UniProt (Q5SLI2) Pfam (PF02790) Pfam (PF00116) Pfam (PF00034)	THERMUS THERMOPHILUS	CAA3-TYPE CYTOCHROME OXIDASE SUBUNIT IIC
3	C, F (C, F)	CAA3-TYPE CYTOCHROME OXIDASE SUBUNIT IV	polymer	66	7354.0	2	UniProt (Q5SH67) Pfam (PF20814)	THERMUS THERMOPHILUS	UNCHARACTERIZED PROTEIN TTHA1863
4	G, S (A, D)	(1R,4S,6R)-6-({[2-(ACETYLAMINO)-2-DEOXY-ALPHA-D-GLUCOPYRANOSYL]OXY}METHYL)-4-HYDROXY-1-{[(15-METHYLHEXADECANOYL)OXY]METHYL}-4-OXIDO-7-OXO-3,5-DIOXA-8-AZA-4-PHOSPHAHEPTACOS-1-YL 15-METHYLHEXADECANOATE	non-polymer		1233.7	2	Chemie (5PL)
5	H, I, T, U (A, D)	HEME-AS	non-polymer		921.0	4	Chemie (HAS)
6	J, V (A, D)	COPPER (II) ION	non-polymer		63.5	2	Chemie (CU)
7	K (A)	(2R)-3-HYDROXYPROPANE-1,2-DIYL DIHEXADECANOATE	non-polymer		568.9	1	Chemie (4AG)
8	L, M (A)	(2R)-2,3-DIHYDROXYPROPYL (7Z)-TETRADEC-7-ENOATE	non-polymer		300.4	2	Chemie (7E8)
9	N, X (A, D)	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
10	O, Y (B, E)	DINUCLEAR COPPER ION	non-polymer		127.1	2	Chemie (CUA)
11	P, Z (B, E)	HEME C	non-polymer		618.5	2	Chemie (HEC)
12	Q (B)	1,3-DIHYDROXYPROPAN-2-YL (Z)-TETRADEC-7-ENOATE	non-polymer		300.4	1	Chemie (7E9)
13	AA, R, W (F, C, D)	CHLORIDE ION	non-polymer		35.5	3	Chemie (CL)
14	BA, CA, DA, EA (A, B, D, E)	water	water		18.0	392	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	268046.2
Non-Polymers*	Number of molecules	21
	Total formula weight	9394.7
All*	Total formula weight	277441.0

*Water molecules are not included.