1XME

Structure of Recombinant Cytochrome ba3 Oxidase from Thermus thermophilus

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Cytochrome c oxidase polypeptide I	polymer	568	63402.0	1	UniProt (Q56408) Pfam (PF00115) UniProt (by SIFTS) (Q5SJ79) In PDB	Thermus thermophilus	Cytochrome c ba(3), subunit I, Cytochrome cba3 subunit 1
2	B	Cytochrome c oxidase polypeptide II	polymer	168	18581.3	1	UniProt (P98052) Pfam (PF09125) Pfam (PF00116) UniProt (by SIFTS) (Q5SJ80) In PDB	Thermus thermophilus	Cytochrome c ba(3), subunit II, Cytochrome cba3 subunit 2
3	C	Cytochrome c oxidase polypeptide IIA	polymer	34	3769.6	1	UniProt (P82543) Pfam (PF08113) In PDB	Thermus thermophilus	Cytochrome c ba(3), Subunit IIA, Cytochrome cba3 subunit 2A
4	A	nonyl beta-D-glucopyranoside	non-polymer		306.4	1	Chemie (BNG)
5	A	COPPER (II) ION	non-polymer		63.5	1	Chemie (CU)
6	A	PROTOPORPHYRIN IX CONTAINING FE	non-polymer		616.5	1	Chemie (HEM)
7	A	HEME-AS	non-polymer		921.0	1	Chemie (HAS)
8	A	GLYCEROL	non-polymer		92.1	1	Chemie (GOL)
9	B	DINUCLEAR COPPER ION	non-polymer		127.1	1	Chemie (CUA)
10		water	water		18.0	75	Chemie (HOH)

Sequence modifications

A: 2 - 562 (UniProt: Q56408)

PDB	External Database	Details
Met -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag
His 1	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	85752.9
Non-Polymers*	Number of molecules	6
	Total formula weight	2126.6
All*	Total formula weight	87879.5

*Water molecules are not included.