3QJT

The structure of and photolytic induced changes of carbon monoxide binding to the 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 (A)	Cytochrome c oxidase subunit 1	polymer	568	63430.0	1	UniProt (Q5SJ79) Pfam (PF00115)	Thermus thermophilus	Cytochrome c ba(3) subunit I, Cytochrome c oxidase polypeptide I, Cytochrome cba3 subunit 1
2	B (B)	Cytochrome c oxidase subunit 2	polymer	168	18580.3	1	UniProt (Q5SJ80) Pfam (PF09125) Pfam (PF00116)	Thermus thermophilus	Cytochrome c ba(3) subunit II, Cytochrome c oxidase polypeptide II, Cytochrome cba3 subunit 2
3	C (C)	Cytochrome c oxidase polypeptide 2A	polymer	34	3769.6	1	UniProt (P82543) Pfam (PF08113)	Thermus thermophilus	Cytochrome c ba(3) subunit IIA, Cytochrome c oxidase polypeptide IIA, Cytochrome cba3 subunit 2A
4	D (A)	COPPER (I) ION	non-polymer		63.5	1	Chemie (CU1)
5	E (A)	PROTOPORPHYRIN IX CONTAINING FE	non-polymer		616.5	1	Chemie (HEM)
6	F (A)	HEME-AS	non-polymer		921.0	1	Chemie (HAS)
7	G (A)	CARBON MONOXIDE	non-polymer		28.0	1	Chemie (CMO)
8	H (B)	DINUCLEAR COPPER ION	non-polymer		127.1	1	Chemie (CUA)

Sequence modifications

A: 2 - 562 (UniProt: Q5SJ79)

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
Arg 258	Lys 258	conflict

B: 1 - 168 (UniProt: Q5SJ80)

PDB	External Database	Details
Gln 4	Glu 4	conflict

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	85779.9
Non-Polymers*	Number of molecules	5
	Total formula weight	1756.1
All*	Total formula weight	87536.0

*Water molecules are not included.