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7YCH

Cryo-EM structure of Tetrahymena ribozyme conformation 3 undergoing the first-step self-splicing

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(B)
RNA (5'-R(*CP*CP*CP*UP*CP*UP*AP*AP*AP*CP*C)-3')polymer113386.11Tetrahymena
2B
(N)
RNA (393-MER)polymer393127011.91GenBank (10832)Tetrahymena
3C
(N)
GUANOSINE-5'-TRIPHOSPHATEnon-polymer523.21Chemie (GTP)
4D, E, F
(N)
MAGNESIUM IONnon-polymer24.33Chemie (MG)
Sequence modifications
N: 19 - 409 (GenBank: 10832)
PDBExternal DatabaseDetails
G 17-expression tag
G 18-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight130398.0
Non-Polymers*Number of molecules4
Total formula weight596.1
All*Total formula weight130994.1
*Water molecules are not included.

236620

PDB entries from 2025-05-28

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