4OBW

crystal structure of yeast Coq5 in the SAM bound form

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D (A, D, C, B)	2-methoxy-6-polyprenyl-1,4-benzoquinol methylase, mitochondrial	polymer	257	29252.2	4	UniProt (P49017) Pfam (PF01209)	Saccharomyces cerevisiae (Baker's yeast)	Ubiquinone biosynthesis methyltransferase COQ5
2	E, H (A, D)	TRIS(HYDROXYETHYL)AMINOMETHANE	non-polymer		163.2	2	Chemie (TAM)
3	F, G, I, J (A, D, C, B)	S-ADENOSYLMETHIONINE	non-polymer		398.4	4	Chemie (SAM)
4	K, L, M, N (A, D, C, B)	water	water		18.0	363	Chemie (HOH)

Sequence modifications

A, D, C, B: 61 - 307 (UniProt: P49017)

PDB	External Database	Details
Met 51	-	initiating methionine
Gly 52	-	expression tag
His 53	-	expression tag
His 54	-	expression tag
His 55	-	expression tag
His 56	-	expression tag
His 57	-	expression tag
Gln 58	-	expression tag
His 59	-	expression tag
Met 60	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	117008.8
Non-Polymers*	Number of molecules	6
	Total formula weight	1920.2
All*	Total formula weight	118929.0

*Water molecules are not included.