9SSR

Human Methionine Synthase With Methyltetrahydrofolate, Hydroxocobalamin, and SAM, N-Half From Full-Length

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Methionine synthase	polymer	1265	140695.8	1	UniProt (Q99707) Pfam (PF02574) Pfam (PF00809) Pfam (PF02607) Pfam (PF02310) Pfam (PF02965)	Homo sapiens (human)	MS,5-methyltetrahydrofolate--homocysteine methyltransferase,Cobalamin-dependent methionine synthase,Vitamin-B12 dependent methionine synthase
2	B (A)	N-[4-({[(6S)-2-AMINO-4-HYDROXY-5-METHYL-5,6,7,8-TETRAHYDROPTERIDIN-6-YL]METHYL}AMINO)BENZOYL]-L-GLUTAMIC ACID	non-polymer		459.5	1	Chemie (THH)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	140695.8
Non-Polymers*	Number of molecules	1
	Total formula weight	459.5
All*	Total formula weight	141155.2

*Water molecules are not included.