5WEH

Cytochrome c oxidase from Rhodobacter sphaeroides in the reduced state

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, G)	Cytochrome c oxidase subunit 1	polymer	566	63195.4	2	UniProt (P33517) Pfam (PF00115)	Rhodobacter sphaeroides	Cytochrome aa3 subunit 1,Cytochrome c oxidase polypeptide I
2	C, F (B, H)	Cytochrome c oxidase subunit 2	polymer	262	29365.4	2	UniProt (Q03736) Pfam (PF02790) Pfam (PF00116)	Rhodobacter sphaeroides	Cytochrome aa3 subunit 2,Cytochrome c oxidase polypeptide II,Oxidase aa(3) subunit 2
3	D, G (C, I)	Cytochrome c oxidase polypeptide III (Cytochrome AA3 subunit 3)	polymer	266	30197.2	2	UniProt (P84153) Pfam (PF00510)	Rhodobacter sphaeroides
4	E, H (D, J)	Aa3-type cytochrome c oxidase subunit IV	polymer	50	5278.1	2	UniProt (Q8KRK5) Pfam (PF07835)	Rhodobacter sphaeroides
5	I, J, Q, R (A, G)	HEME-A	non-polymer		852.8	4	Chemie (HEA)
6	EA, FA, K, S, Y... (H, A, G, B)	COPPER (I) ION	non-polymer		63.5	6	Chemie (CU1)
7	L, T (A, G)	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
8	M, U (A, G)	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
9	AA, BA, DA, GA, HA... (C, D, I, J, A...)	1,2-Distearoyl-sn-glycerophosphoethanolamine	non-polymer		748.1	11	Chemie (3PE)
10	CA, P, X (C, G)	DODECYL-ALPHA-D-MALTOSIDE	non-polymer		510.6	3	Chemie (LMU)
11	KA (A)	water	water		18.0	1	Chemie (HOH)

Sequence modifications

B, H: 26 - 281 (UniProt: Q03736)

PDB	External Database	Details
His 282	-	expression tag
His 283	-	expression tag
His 284	-	expression tag
His 285	-	expression tag
His 286	-	expression tag
His 287	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	256072.1
Non-Polymers*	Number of molecules	28
	Total formula weight	13681.9
All*	Total formula weight	269754.0

*Water molecules are not included.