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7YGB

Cryo-EM structure of Tetrahymena ribozyme conformation 3 undergoing the second-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*UP*AP*AP*CP*C)-3')polymer113379.11Tetrahymena
2B
(N)
RNA (393-MER)polymer393127011.91GenBank (10832)Tetrahymena
3C
(A)
RNA (5'-R(*UP*CP*G)-3')polymer3911.61Tetrahymena
4AA, AB, BA, BB, CA...
(N, B)
MAGNESIUM IONnon-polymer24.354Chemie (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 chains3
Total formula weight131302.6
Non-Polymers*Number of molecules54
Total formula weight1312.5
All*Total formula weight132615.1
*Water molecules are not included.

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PDB entries from 2026-01-21

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