8KBL

Structure of AcrIIA7 complexed with 1',3'-cADPR and cGG

• PDB DOI: https://doi.org/10.2210/pdb8KBL/pdb

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


• Deposited: 2023-08-04 Released: 2024-08-07 
• 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: 1.98 Å
• R-Value Free: 0.234 
• R-Value Work: 0.219 
• R-Value Observed: 0.220 

Starting Model: in silico

Literature

Structure of AcrIIA7 complexed with 1',3'-cADPR and cGG

Xiao, Y., Feng, Y.

To be published.

Biological Assembly 1  

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

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

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 12.97 kDa 
• Atom Count: 992 
• Modelled Residue Count: 104 
• Deposited Residue Count: 104 
• Unique protein chains: 1

Macromolecules

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

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
C2E (Subject of Investigation/LOI)	C [auth A]	9,9'-[(2R,3R,3aS,5S,7aR,9R,10R,10aS,12S,14aR)-3,5,10,12-tetrahydroxy-5,12-dioxidooctahydro-2H,7H-difuro[3,2-d:3',2'-j][1,3,7,9,2,8]tetraoxadiphosphacyclododecine-2,9-diyl]bis(2-amino-1,9-dihydro-6H-purin-6-one) C20 H24 N10 O14 P2 PKFDLKSEZWEFGL-MHARETSRSA-N
OJC (Subject of Investigation/LOI)	B [auth A]	(2R,3R,3aS,5S,6R,7S,8R,11R,13S,15aR)-2-(6-amino-9H-purin-9-yl)-3,6,7,11,13-pentahydroxyoctahydro-2H,5H,11H,13H-5,8-epoxy-11lambda~5~,13lambda~5~-furo[2,3-g][1,3,5,9,2,4]tetraoxadiphosphacyclotetradecine-11,13-dione C15 H21 N5 O13 P2 NDSLKXAJVDJCEG-ZQSHOCFMSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.98 Å
• R-Value Free: 0.234 
• R-Value Work: 0.219 
• R-Value Observed: 0.220 
• Space Group: P 4₂ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 63.729	α = 90
b = 63.729	β = 90
c = 63.153	γ = 90

Software Package:

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

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-08-07 
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: 2024-08-07
  Type: Initial release