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9OXS

CRYO-EM STRUCTURE OF the human mPSF IN COMPLEX WITH THE AAUAAU poly(A) signal

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Cleavage and polyadenylation specificity factor subunit 1polymer1443161074.21UniProt (Q10570)
Pfam (PF10433)
Pfam (PF23726)
Pfam (PF03178)
Homo sapiens (human)Cleavage and polyadenylation specificity factor 160 kDa subunit, CPSF 160 kDa subunit
2B
(B)
pre-mRNA 3' end processing protein WDR33polymer57466053.11UniProt (Q9C0J8)
Pfam (PF00400)
Homo sapiens (human)WD repeat-containing protein 33,WD repeat-containing protein of 146 kDa
3C
(C)
Isoform 2 of Cleavage and polyadenylation specificity factor subunit 4polymer24427589.01UniProt (O95639)
Pfam (PF15663)
Pfam (PF00642)
Pfam (PF00098)
Homo sapiens (human)Cleavage and polyadenylation specificity factor 30 kDa subunit,CPSF 30 kDa subunit,NS1 effector domain-binding protein 1,Neb-1,No arches homolog
4D
(E)
RNA (5'-R(P*AP*AP*UP*AP*AP*UP*C)-3')polymer123804.31Homo sapiens
5E, F, G
(C)
ZINC IONnon-polymer65.43Chemie (ZN)
Sequence modifications
B: 2 - 572 (UniProt: Q9C0J8)
PDBExternal DatabaseDetails
Ser -1-expression tag
Asn 0-expression tag
Ala 1-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains4
Total formula weight258520.7
Non-Polymers*Number of molecules3
Total formula weight196.2
All*Total formula weight258716.9
*Water molecules are not included.

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PDB entries from 2026-01-28

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