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4PN1

Structure of S. pombe Pct1 RNA triphosphatase in complex with the Spt5 CTD

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B, C, D
(A, B, C, D)
mRNA-capping enzyme subunit betapolymer30435586.34UniProt (Q9P6Q6)
Pfam (PF02940)
Schizosaccharomyces pombe (Fission yeast)Polynucleotide 5'-triphosphatase,mRNA 5'-triphosphatase,TPase
2E, F, G, H
(E, F, G, H)
Synthetic peptidepolymer181906.04
3I, J, L, N, O...
(A, B, C, D)
FORMIC ACIDnon-polymer46.06Chemie (FMT)
4K, M
(A, B)
1,2-ETHANEDIOLnon-polymer62.12Chemie (EDO)
5Q, R, S, T, U...
(A, B, C, D, E...)
waterwater18.0125Chemie (HOH)
Sequence modifications
A, B, C, D: 1 - 303 (UniProt: Q9P6Q6)
PDBExternal DatabaseDetails
Ser 0-cloning artifact
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains8
Total formula weight149969.3
Non-Polymers*Number of molecules8
Total formula weight400.3
All*Total formula weight150369.6
*Water molecules are not included.

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PDB entries from 2025-12-17

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