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2HOL

Crystal structure of an E. coli thi-box riboswitch bound to thiamine pyrophosphate, barium ions

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
thi-box riboswitchpolymer8326798.91
2B, C, D, E, F...
(A)
BARIUM IONnon-polymer137.39Chemie (BA)
3K, L, M, N
(A)
CALCIUM IONnon-polymer40.14Chemie (CA)
4O
(A)
MAGNESIUM IONnon-polymer24.31Chemie (MG)
5P
(A)
THIAMINE DIPHOSPHATEnon-polymer425.31Chemie (TPP)
6Q
(A)
waterwater18.013Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight26798.9
Non-Polymers*Number of molecules15
Total formula weight1845.9
All*Total formula weight28644.8
*Water molecules are not included.

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PDB entries from 2025-07-16

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