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3E5C

Crystal Structure of the SMK box (SAM-III) Riboswitch with SAM

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
SMK box (SAM-III) Riboswitchpolymer5317402.31
2B, C, D, E, F...
(A)
STRONTIUM IONnon-polymer87.615Chemie (SR)
PubChem (104798)
3Q
(A)
S-ADENOSYLMETHIONINEnon-polymer398.41Chemie (SAM)
PubChem (5136)
PubChem (34755)
PubChem (58633578)
PubChem (60038769)
PubChem (58766358)
PubChem (73897310)
PubChem (9865603)
PubChem (87224684)
PubChem (12312798)
PubChem (131697735)
PubChem (145712080)
PubChem (132988922)
PubChem (134692588)
PubChem (135030730)
PubChem (140459785)
PubChem (163046094)
4R
(A)
waterwater18.069Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight17402.3
Non-Polymers*Number of molecules16
Total formula weight1712.7
All*Total formula weight19115.1
*Water molecules are not included.

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PDB entries from 2026-04-01

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