7ENM | pdb_00007enm

Selenomethionine anti-Cas protein

• PDB DOI: https://doi.org/10.2210/pdb7ENM/pdb

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


• Deposited: 2021-04-18 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: 1.70 Å
• R-Value Free: 
  0.203 (Depositor), 0.206 (DCC) 
• R-Value Work: 
  0.174 (Depositor) 
• R-Value Observed: 
  0.177 (Depositor) 

Literature

Selenomethionine anti-Cas protein

Wang, Y., Li, X.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Macromolecule Content 

• Total Structure Weight: 12.17 kDa 
• Atom Count: 1,001 
• Modeled Residue Count: 101 
• Deposited Residue Count: 101 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
AcrIIA14 protein	A	101	Staphylococcus simulans	Mutation(s): 0

Small Molecules

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.70 Å
• R-Value Free:  0.203 (Depositor), 0.206 (DCC) 
• R-Value Work:  0.174 (Depositor) 
• R-Value Observed: 0.177 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 35.245	α = 90
b = 40.703	β = 90
c = 66.328	γ = 90

Software Package:

Software Name	Purpose
HKL-2000	data scaling
PHENIX	refinement
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: 2024-10-16
  Changes: Data collection, Structure summary