3DH0

Crystal structure of a SAM dependent methyltransferase from Aquifex aeolicus

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	SAM dependent methyltransferase	polymer	219	25152.1	2	UniProt (O67440) Pfam (PF13847)	Aquifex aeolicus
2	C, D (A, B)	S-ADENOSYLMETHIONINE	non-polymer		398.4	2	Chemie (SAM)
3	E, F (A, B)	water	water		18.0	47	Chemie (HOH)

Sequence modifications

A, B: 4 - 211 (UniProt: O67440)

PDB	External Database	Details
Met 1	-	expression tag
Ser 2	-	expression tag
Leu 3	-	expression tag
Glu 212	-	expression tag
Gly 213	-	expression tag
His 214	-	expression tag
His 215	-	expression tag
His 216	-	expression tag
His 217	-	expression tag
His 218	-	expression tag
His 219	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	50304.1
Non-Polymers*	Number of molecules	2
	Total formula weight	796.9
All*	Total formula weight	51101.0

*Water molecules are not included.