8WJC

Structure of AcrIIA7 complexed with 3'3'-cGAMP

• PDB DOI: https://doi.org/10.2210/pdb8WJC/pdb

• Classification: VIRAL PROTEIN
• Organism(s): metagenome
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2023-09-25 Released: 2024-09-25 
• Deposition Author(s): Xiao, Y., Feng, Y.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.11 Å
• R-Value Free: 0.274 
• R-Value Work: 0.224 
• R-Value Observed: 0.226 

Starting Model: experimental

Literature

Structure of AcrIIA7 complexed with 3'3'-cGAMP

Xiao, Y., Feng, Y.

To be published.

Biological Assembly 1  

Global Symmetry: Dihedral - D2  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

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

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 48.29 kDa 
• Atom Count: 3,451 
• Modelled Residue Count: 416 
• Deposited Residue Count: 416 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Inhibitor of Type II CRISPR-Cas system	A, B, C, D	104	metagenome	Mutation(s): 0  Gene Names: acrIIA7
UniProt
Find proteins for A0A447EB45 (metagenome) Explore A0A447EB45  Go to UniProtKB:  A0A447EB45

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
4BW (Subject of Investigation/LOI)	E [auth A], F [auth C]	2-amino-9-[(2R,3R,3aS,5R,7aR,9R,10R,10aS,12R,14aR)-9-(6-amino-9H-purin-9-yl)-3,5,10,12-tetrahydroxy-5,12-dioxidooctahydro-2H,7H-difuro[3,2-d:3',2'-j][1,3,7,9,2,8]tetraoxadiphosphacyclododecin-2-yl]-1,9-dihydro-6H-purin-6-one C20 H24 N10 O13 P2 RFCBNSCSPXMEBK-INFSMZHSSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.11 Å
• R-Value Free: 0.274 
• R-Value Work: 0.224 
• R-Value Observed: 0.226 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 50.2	α = 90
b = 81.55	β = 102.25
c = 50.38	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
xia2	data scaling
XDS	data reduction
PHENIX	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-09-25 
Deposition Author(s): Xiao, Y., Feng, Y.

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

Revision History  

• Version 1.0: 2024-09-25
  Type: Initial release