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7E9E

Crystal structure of a class I PreQ1 riboswitch aptamer (ab13-14) complexed with a cognate ligand-derived photoaffinity probe

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
33-mer RNApolymer3310333.21Caldanaerobacter subterraneus subsp. tengcongensis
2B
(A)
2-azanyl-5-[[2-(3-but-3-ynyl-1,2-diazirin-3-yl)ethylamino]methyl]-1,7-dihydropyrrolo[2,3-d]pyrimidin-4-onenon-polymer299.31Chemie (J0C)
3C, D
(A)
SULFATE IONnon-polymer96.12Chemie (SO4)
4E, F, G
(A)
MAGNESIUM IONnon-polymer24.33Chemie (MG)
5H
(A)
waterwater18.086Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight10333.2
Non-Polymers*Number of molecules6
Total formula weight564.4
All*Total formula weight10897.6
*Water molecules are not included.

239803

PDB entries from 2025-08-06

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