1O90

Methionine Adenosyltransferase complexed with a L-methionine analogue

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 SYNTHETASE	polymer	396	43637.7	2	UniProt (P13444) Pfam (PF00438) Pfam (PF02772) Pfam (PF02773)	RATTUS NORVEGICUS (RAT)	METHIONINE ADENOSYLTRANSFERASE, ADOMET SYNTHETASE, MAT-I
2	C (A)	(2S,4S)-2-AMINO-4,5-EPOXIPENTANOIC ACID	non-polymer		131.1	1	Chemie (LIS)
3	D, E, J (A, B)	PHOSPHATE ION	non-polymer		95.0	3	Chemie (PO4)
4	F, G, H (A)	MAGNESIUM ION	non-polymer		24.3	3	Chemie (MG)
5	I, K (A, B)	POTASSIUM ION	non-polymer		39.1	2	Chemie (K)
6	L, M (A, B)	water	water		18.0	176	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	87275.5
Non-Polymers*	Number of molecules	9
	Total formula weight	567.2
All*	Total formula weight	87842.6

*Water molecules are not included.