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2GIS

Structure of the S-adenosylmethionine riboswitch mRNA regulatory element

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
SAM-I riboswitchpolymer9430553.31
2B, C
(A)
MAGNESIUM IONnon-polymer24.32Chemie (MG)
3D, E, F, G
(A)
IRIDIUM HEXAMMINE IONnon-polymer294.44Chemie (IRI)
4H
(A)
S-ADENOSYLMETHIONINEnon-polymer398.41Chemie (SAM)
5I
(A)
waterwater18.088Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight30553.3
Non-Polymers*Number of molecules7
Total formula weight1624.6
All*Total formula weight32178.0
*Water molecules are not included.

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PDB entries from 2025-06-18

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