21CQ image
Deposition Date 2025-12-08
Release Date 2026-03-11
Last Version Date 2026-03-11
Entry Detail
PDB ID:
21CQ
Keywords:
HYDROLASE/RNA
Title:
Cryo-EM structure of DICER-D991G-H992G/26S-GU complex in dicing state
Biological Source:
Source Organism(s):
Homo sapiens (Taxon ID: 9606)
synthetic construct (Taxon ID: 32630)
Expression System(s):
Homo sapiens
Method Details:
Experimental Method:
ELECTRON MICROSCOPY
Resolution:
3.29 Å
Aggregation State:
PARTICLE
Reconstruction Method:
SINGLE PARTICLE
21CQ validation report
Macromolecular Entities
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:Endoribonuclease Dicer
Gene (Uniprot):DICER1
Mutagens:D991G, H992G
Chain IDs:B (auth: D)
Chain Length:1909
Number of Molecules:1
Biological Source:Homo sapiens
UniProt ID:Q9UPY3 Pfam ID:PF00270, PF20930, PF00271, PF03368, PF20931, PF02170, PF00636, PF20932 EC:3.1.26.3
Polymer Type:polyribonucleotide
Molecule:RNA (64-MER)
Chain IDs:A (auth: R)
Chain Length:64
Number of Molecules:1
Biological Source:synthetic construct
Ligand Molecules
CA
Primary Citation
DICER cleavage fidelity is governed by 5'-end binding pockets
Nature ? ? ? (2026)
DOI: 10.1038/s41586-026-10211-5
Primary Citation of related structures
21CQ
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