9MVR | pdb_00009mvr

AI-designed Cas13 anti-CRISPR AIcrVIA1

PDB DOI: https://doi.org/10.2210/pdb9MVR/pdb

Classification: DE NOVO PROTEIN
Organism(s): synthetic construct
Expression System: Escherichia coli
Mutation(s): No

Deposited: 2025-01-15 Released: 2026-02-25
Deposition Author(s): Taveneau, C., Chai, H.X., Knott, G.J.
Funding Organization(s): Other private

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.94 Å
R-Value Free:
0.246 (Depositor), 0.245 (DCC)
R-Value Work:
0.199 (Depositor), 0.199 (DCC)
R-Value Observed:
0.204 (Depositor)

Starting Model: in silico
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wwPDB Validation 3D Report Full Report

This is version 1.0 of the entry. See complete history.

Literature

De novo design of potent CRISPR-Cas13 inhibitors

Taveneau, C., Chai, X.H., D'Sivla, J., Bamert, R.S., Purcell, J., Venugopal, H., Curwen, D., Munder, F., Calvert, R., Hayes, B.K., Martin, L., Barr, J., Rosenbluh, J., Grinter, R., Knott, G.J.

To be published.

Macromolecule Content

Total Structure Weight: 19.43 kDa
Atom Count: 1,341
Modeled Residue Count: 154
Deposited Residue Count: 166
Unique protein chains: 1

Macromolecules

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(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
AIcrVIA1	A, B	83	synthetic construct	Mutation(s): 0
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
CL (Subject of Investigation/LOI) Query on CL Download Ideal Coordinates CCD File SDF format, chain C [auth A] MOL2 format, chain C [auth A] mmCIF format, chain C [auth A]	C [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M		Interactions Focus chain C [auth A] Interactions & Density Focus chain C [auth A]

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 1.94 Å
R-Value Free: 0.246 (Depositor), 0.245 (DCC)
R-Value Work: 0.199 (Depositor), 0.199 (DCC)
R-Value Observed: 0.204 (Depositor)

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 33.403	α = 90
b = 62.9	β = 90
c = 84.927	γ = 90

Software Package:

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

Structure Validation

View Full Validation Report

Entry History & Funding Information

Deposition Data

Released Date: 2026-02-25

Deposition Author(s):

Funding Organization	Location	Grant Number
Other private	Australia	SMRF2021-276

Revision History (Full details and data files)

Version 1.0: 2026-02-25
Type: Initial release

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.