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, G	Cytochrome c oxidase subunit 1	polymer	566	63195.4	2	UniProt (P33517) Pfam (PF00115) In PDB	Rhodobacter sphaeroides	Cytochrome aa3 subunit 1,Cytochrome c oxidase polypeptide I
2	B, H	Cytochrome c oxidase subunit 2	polymer	262	29365.4	2	UniProt (Q03736) Pfam (PF02790) Pfam (PF00116) In PDB	Rhodobacter sphaeroides	Cytochrome aa3 subunit 2,Cytochrome c oxidase polypeptide II,Oxidase aa(3) subunit 2
3	C, I	Cytochrome c oxidase polypeptide III (Cytochrome AA3 subunit 3)	polymer	266	30197.2	2	UniProt (P84153) Pfam (PF00510) In PDB	Rhodobacter sphaeroides
4	D, J	Aa3-type cytochrome c oxidase subunit IV	polymer	50	5278.1	2	UniProt (Q8KRK5) Pfam (PF07835) In PDB	Rhodobacter sphaeroides
5	A, G	HEME-A	non-polymer		852.8	4	Chemie (HEA)
6	H, A, G, B	COPPER (I) ION	non-polymer		63.5	6	Chemie (CU1)
7	A, G	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
8	A, G	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
9	C, D, I, J, A...	1,2-Distearoyl-sn-glycerophosphoethanolamine	non-polymer		748.1	11	Chemie (3PE)
10	C, G	DODECYL-ALPHA-D-MALTOSIDE	non-polymer		510.6	3	Chemie (LMU)
11		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.