4PCA

X-ray crystal structure of an O-methyltransferase from Anaplasma phagocytophilum bound to SAH and Manganese

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	O-methyltransferase family protein	polymer	226	25210.1	4	UniProt (S6G476) In PDB	Anaplasma phagocytophilum str. HGE1
2	A, B, C, D	MANGANESE (II) ION	non-polymer		54.9	4	Chemie (MN)
3	A, B, C, D	S-ADENOSYL-L-HOMOCYSTEINE	non-polymer		384.4	4	Chemie (SAH)
4	A, B, C, D	1,2-ETHANEDIOL	non-polymer		62.1	6	Chemie (EDO)
5		water	water		18.0	982	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 218 (UniProt: S6G476)

PDB	External Database	Details
Met -7	-	initiating methionine
Ala -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	100840.4
Non-Polymers*	Number of molecules	14
	Total formula weight	2129.8
All*	Total formula weight	102970.2

*Water molecules are not included.