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1XRA

CRYSTAL STRUCTURE OF S-ADENOSYLMETHIONINE SYNTHETASE

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
S-ADENOSYLMETHIONINE SYNTHETASEpolymer38341867.31UniProt (P0A817)
Pfam (PF00438)
Pfam (PF02772)
Pfam (PF02773)
Escherichia coliMAT, ATP:L-METHIONINE S-ADENOSYLTRANSFERASE
2B, C
(A)
PHOSPHATE IONnon-polymer95.02Chemie (PO4)
3D, E
(A)
MAGNESIUM IONnon-polymer24.32Chemie (MG)
4F, G
(A)
POTASSIUM IONnon-polymer39.12Chemie (K)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight41867.3
Non-Polymers*Number of molecules6
Total formula weight316.7
All*Total formula weight42184.1
*Water molecules are not included.

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PDB entries from 2025-06-18

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