7ENR | pdb_00007enr

Crystal structure of cas and anti-cas protein complex

• PDB DOI: https://doi.org/10.2210/pdb7ENR/pdb
• NAKB: 7ENR

• Classification: VIRAL PROTEIN/RNA
• Organism(s): Staphylococcus aureus, Staphylococcus simulans
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2021-04-19 Released: 2022-04-20 
• Deposition Author(s): Wang, Y., Li, X.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 4.21 Å
• R-Value Free: 
  0.307 (Depositor), 0.360 (DCC) 
• R-Value Work: 
  0.260 (Depositor), 0.260 (DCC) 
• R-Value Observed: 
  0.265 (Depositor) 

Starting Model: experimental

Literature

Crystal structure of cas and anti-cas protein complex

Wang, Y., Li, X.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

Biological assembly 1 assigned by authors and generated by PISA (software)

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 167.4 kDa 
• Atom Count: 10,498 
• Modelled Residue Count: 1,237 
• Deposited Residue Count: 1,251 
• Unique protein chains: 2
• Unique nucleic acid chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
CRISPR-associated endonuclease Cas9	A	1,053	Staphylococcus aureus	Mutation(s): 0  Gene Names: cas9 EC: 3.1
UniProt
Find proteins for J7RUA5 (Staphylococcus aureus) Explore J7RUA5  Go to UniProtKB:  J7RUA5

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
AcrIIA14	C	100	Staphylococcus simulans	Mutation(s): 0

Entity ID: 2
Molecule	Chains	Length	Organism	Image
sgRNA (98-MER)	B	98	Staphylococcus aureus

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 4.21 Å
• R-Value Free:  0.307 (Depositor), 0.360 (DCC) 
• R-Value Work:  0.260 (Depositor), 0.260 (DCC) 
• R-Value Observed: 0.265 (Depositor) 

Space Group: H 3

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 173.8	α = 90
b = 173.8	β = 90
c = 185.894	γ = 120

Software Package:

Software Name	Purpose
PHENIX	refinement
HKL-2000	data scaling
PDB_EXTRACT	data extraction
HKL-2000	data reduction
PHENIX	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2022-04-20 
Deposition Author(s): Wang, Y., Li, X.

---

Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	31400640

Revision History  

• Version 1.0: 2022-04-20
  Type: Initial release
  
• Version 1.1: 2023-11-29
  Changes: Data collection, Refinement description