ISDA: 9U49

Deposition Date 2025-03-19

Release Date 2026-02-04

Last Version Date 2026-02-04

Entry Detail

PDB ID:

9U49

Keywords:

RNA BINDING PROTEIN/RNA

Title:

crystal structure of Cdn1 in complex with cA4

Biological Source:

Source Organism(s):

Psychrobacter lutiphocae DSM 21542 (Taxon ID: 1123033)
synthetic construct (Taxon ID: 32630)

Expression System(s):

Escherichia coli

Method Details:

Experimental Method:

X-RAY DIFFRACTION

Resolution:

1.90 Å

R-Value Free:

0.22

R-Value Work:

0.18

R-Value Observed:

0.19

Space Group:

P 21 21 2

Download Validation Report

Macromolecular Entities

Polymer Type:polypeptide(L)
Molecule:CARF-domain containing dual-activated nuclease
Chain IDs:A, B
Chain Length:405
Number of Molecules:2
Biological Source:Psychrobacter lutiphocae DSM 21542

Polymer Type:polyribonucleotide
Molecule:cyclic tetra-adenosine monophosphate(cA4)
Chain IDs:C
Chain Length:4
Number of Molecules:1
Biological Source:synthetic construct

Ligand Molecules

Primary Citation

Structural plasticity enables broad cAn binding and dual activation of CRISPR-associated ribonuclease Cdn1.

Zhang, W, Kong, J, Zeng, Y, Su, Y, Zhang, S, Li, Y, Hu, C, Chen, Q, Xiao, Y, Lu, M.Show

Nucleic Acids Res. 54 ? ? (2026)

PMID: 41569151 DOI: 10.1093/nar/gkaf1524

Primary Citation of related structures

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