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3F2Q

Crystal structure of the FMN riboswitch bound to FMN

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(X)
FMN riboswitchpolymer11236451.41GenBank (20095250)
2B
(X)
FLAVIN MONONUCLEOTIDEnon-polymer456.31Chemie (FMN)
3C, D
(X)
POTASSIUM IONnon-polymer39.12Chemie (K)
4E, F, G, H, I...
(X)
MAGNESIUM IONnon-polymer24.314Chemie (MG)
5S
(X)
waterwater18.02Chemie (HOH)
Sequence modifications
X: 3 - 109 (GenBank: 20095250)
PDBExternal DatabaseDetails
Gtp 1-insertion
G 2-insertion
U 110-insertion
U 111-insertion
Ccc 112-insertion
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight36451.4
Non-Polymers*Number of molecules17
Total formula weight874.8
All*Total formula weight37326.2
*Water molecules are not included.

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PDB entries from 2025-06-25

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