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9HFL

Cryo-EM structure of the human snRNA export complex comprising CBC-PHAX-CRM1-RanGTP and capped-RNA

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Exportin-1polymer1071123518.41UniProt (O14980)
Pfam (PF03810)
Pfam (PF08389)
Pfam (PF18777)
Pfam (PF18784)
Pfam (PF18787)
Pfam (PF08767)
Homo sapiens (human)Exp1,Chromosome region maintenance 1 protein homolog
2B
(B)
GTP-binding nuclear protein Ranpolymer21624441.11UniProt (P62826)
Pfam (PF00071)
Homo sapiens (human)Androgen receptor-associated protein 24,GTPase Ran,Ras-like protein TC4,Ras-related nuclear protein
3C
(C)
Nuclear cap-binding protein subunit 1polymer79091960.31UniProt (Q09161)
Pfam (PF09090)
Pfam (PF02854)
Pfam (PF09088)
Homo sapiens (human)80 kDa nuclear cap-binding protein,NCBP 80 kDa subunit
4D
(D)
Nuclear cap-binding protein subunit 2polymer15618028.11UniProt (P52298)
Pfam (PF00076)
Homo sapiens (human)20 kDa nuclear cap-binding protein,Cell proliferation-inducing gene 55 protein,NCBP 20 kDa subunit,CBP20,NCBP-interacting protein 1,NIP1
5E, F
(N, P)
Phosphorylated adapter RNA export proteinpolymer39444468.62UniProt (Q9H814)
Pfam (PF10258)
Homo sapiens (human)RNA U small nuclear RNA export adapter protein
6G
(R)
RNA (5'-D(*(ADM))-R(P*A)-3')polymer144439.71Homo sapiens
7H
(B)
GUANOSINE-5'-TRIPHOSPHATEnon-polymer523.21Chemie (GTP)
8I
(B)
MAGNESIUM IONnon-polymer24.31Chemie (MG)
9J
(R)
P1-7-METHYLGUANOSINE-P3-ADENOSINE-5',5'-TRIPHOSPHATEnon-polymer787.41Chemie (GTA)
10K, L, M, N, O...
(A, B, C, D, P...)
waterwater18.032Chemie (HOH)
Sequence modifications
B: 1 - 216 (UniProt: P62826)
PDBExternal DatabaseDetails
Leu 69Gln 69engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains7
Total formula weight351324.8
Non-Polymers*Number of molecules3
Total formula weight1334.9
All*Total formula weight352659.7
*Water molecules are not included.

239149

PDB entries from 2025-07-23

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