1M56

Structure of cytochrome c oxidase from Rhodobactor sphaeroides (Wild Type)

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	polymer	566	63195.4	2	UniProt (P33517) Pfam (PF00115) In PDB	Rhodobacter sphaeroides	Cytochrome c oxidase polypeptide I
2	B, H	CYTOCHROME C OXIDASE	polymer	264	29385.4	2	UniProt (Q03736) Pfam (PF02790) Pfam (PF00116) In PDB	Rhodobacter sphaeroides	Cytochrome c oxidase polypeptide II
3	C, I	CYTOCHROME C OXIDASE	polymer	266	30197.2	2	UniProt (P84153) Pfam (PF00510) In PDB	Rhodobacter sphaeroides	cytochrome-c oxidase chain III
4	D, J	CYTOCHROME C OXIDASE	polymer	51	5409.3	2	UniProt (Q8KRK5) Pfam (PF07835) In PDB	Rhodobacter sphaeroides
5	H, A, B, G	COPPER (II) ION	non-polymer		63.5	6	Chemie (CU)
6	A, G	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
7	A, G	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
8	A, G	HEME-A	non-polymer		852.8	4	Chemie (HEA)
9	G, I, J, A, C...	1,2-Distearoyl-sn-glycerophosphoethanolamine	non-polymer		748.1	12	Chemie (3PE)
10		water	water		18.0	436	Chemie (HOH)

Sequence modifications

A, G: 1 - 566 (UniProt: P33517)

PDB	External Database	Details
Ile 436	Ser 436	SEE REMARK 999
Tyr 437	Thr 437	SEE REMARK 999
Phe 438	Ser 438	SEE REMARK 999
Trp 439	Gly 439	SEE REMARK 999
Thr 518	Ser 518	SEE REMARK 999
Thr 520	Ser 520	SEE REMARK 999
Arg 521	-	SEE REMARK 999

C, I: 1 - 266 (UniProt: P84153)

PDB	External Database	Details
Phe 30	Asn 30	SEE REMARK 999
Met 92	Ile 92	SEE REMARK 999
Ile 244	Met 244	SEE REMARK 999

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	256374.6
Non-Polymers*	Number of molecules	26
	Total formula weight	12898.2
All*	Total formula weight	269272.7

*Water molecules are not included.