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1RI3

Structure and mechanism of mRNA cap (guanine N-7) methyltransferase

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
mRNA CAPPING ENZYMEpolymer29834823.71UniProt (Q8SR66)
Pfam (PF03291)
Encephalitozoon cuniculimRNA cap (guanine N-7) methyltransferase Ecm1
2B
(A)
S-ADENOSYL-L-HOMOCYSTEINEnon-polymer384.41Chemie (SAH)
3C
(A)
waterwater18.0143Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight34823.7
Non-Polymers*Number of molecules1
Total formula weight384.4
All*Total formula weight35208.1
*Water molecules are not included.

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PDB entries from 2025-12-10

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