7LOW

S-adenosylmethionine synthetase

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)	S-adenosylmethionine synthase	polymer	392	42804.4	2	UniProt (V0ZE41)	Escherichia coli 908573	AdoMet synthase,MAT,Methionine adenosyltransferase
2	C, M (A, B)	PYROPHOSPHATE 2-	non-polymer		176.0	2	Chemie (POP)
3	D, E, F, G (A)	PHOSPHATE ION	non-polymer		95.0	4	Chemie (PO4)
4	H, I, N, O (A, B)	MAGNESIUM ION	non-polymer		24.3	4	Chemie (MG)
5	J, K, L, P, Q... (A, B)	1,2-ETHANEDIOL	non-polymer		62.1	6	Chemie (EDO)
6	S, T (A, B)	water	water		18.0	133	Chemie (HOH)

Sequence modifications

A, B: 0 - 383 (UniProt: V0ZE41)

PDB	External Database	Details
Gly -8	-	expression tag
Leu -7	-	expression tag
Val -6	-	expression tag
Pro -5	-	expression tag
Arg -4	-	expression tag
Gly -3	-	expression tag
Ser -2	-	expression tag
His -1	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	85608.9
Non-Polymers*	Number of molecules	16
	Total formula weight	1201.4
All*	Total formula weight	86810.3

*Water molecules are not included.