Skip to main content

 9AR7 | pdb_00009ar7

CryoEM structure of ThermoCas9 bound with target DNA strand only


Experimental Data Snapshot

  • Method: ELECTRON MICROSCOPY
  • Resolution: 2.52 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 

wwPDB Validation 3D Report Full Report

Validation slider image for 9AR7

This is version 1.1 of the entry. See complete history. 

Literature

Molecular basis for methylation-sensitive editing by Cas9

Roth, M.O., Shu, Y., Zhao, Y., Trasanidou, D., Hoffman, R.D., Trasanidis, N., Gelasco, M.K., Medina, M.L., Das, D., Rai, J., Wang, B., Li, H.

(2026) Nature 

Macromolecule Content 

  • Total Structure Weight: 191.53 kDa 
  • Atom Count: 11,561 
  • Modeled Residue Count: 1,166 
  • Deposited Residue Count: 1,285 
  • Unique protein chains: 1
  • Unique nucleic acid chains: 3

Macromolecules


Find similar proteins by:|  3D Structure
Entity ID: 4
MoleculeChains  Sequence LengthOrganismDetailsImage
CRISPR-associated endonuclease Cas9D [auth A]1,082Geobacillus thermodenitrificansMutation(s): 0 
Gene Names: cas9-2, cas9, GTHT12_03401
EC: 3.1
Entity Groups
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
Sequence Annotations
Expand
Reference Sequence
Find similar nucleic acids by:  (by identity cutoff) 
Entity ID: 1
MoleculeChains LengthOrganismImage
single guide RNAA [auth B]149Geobacillus thermodenitrificans
Sequence Annotations
Expand
Reference Sequence
Find similar nucleic acids by:  (by identity cutoff) 
Entity ID: 2
MoleculeChains LengthOrganismImage
cleaved 3' target DNA strandB [auth C]40Geobacillus thermodenitrificans
Sequence Annotations
Expand
Reference Sequence
Find similar nucleic acids by:  Sequence
Entity ID: 3
MoleculeChains LengthOrganismImage
cleaved 5' target strandC [auth P]14Geobacillus thermodenitrificans
Sequence Annotations
Expand
Reference Sequence

Experimental Data & Validation

Experimental Data

  • Method: ELECTRON MICROSCOPY
  • Resolution: 2.52 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 
EM Software:
TaskSoftware PackageVersion
MODEL REFINEMENTPHENIX1.20.1_4487

Structure Validation

View Full Validation Report



Entry History 

& Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)United StatesGM099604

Revision History  (Full details and data files)

  • Version 1.0: 2025-02-26
    Type: Initial release
  • Version 1.1: 2026-04-15
    Changes: Data collection, Database references