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3CQS

A 3'-OH, 2',5'-phosphodiester substitution in the hairpin ribozyme active site reveals similarities with protein ribonucleases

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
13-mer substrate strand with 3'-OH, 2',5'-phosphodiester covalently linking 5th and 6th nucleotidespolymer134052.51
2B
(B)
29-mer ribozyme strand with S9L synthetic linker at 13th positionpolymer309763.01
3C
(C)
19-mer ribozyme strandpolymer195991.61
4D
(B)
COBALT HEXAMMINE(III)non-polymer161.11Chemie (NCO)
5E, F
(A, B)
waterwater18.06Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains3
Total formula weight19807.0
Non-Polymers*Number of molecules1
Total formula weight161.1
All*Total formula weight19968.1
*Water molecules are not included.

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PDB entries from 2025-07-23

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