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. Author manuscript; available in PMC: 2020 Dec 3.
Published in final edited form as: Annu Rev Microbiol. 2020 Jun 5;74:21–37. doi: 10.1146/annurev-micro-020518-120107

Figure 2. Anti-CRISPR (Acr) and Anti-CRISPR associated (aca) genes.

Figure 2.

Acr proteins that have been experimentally demonstrated to prevent CRISPR interference, with representative protein accession numbers, PDB identifiers, and propensity to form homodimers. Proteins with HTH-domains, but not confirmed to form homodimers are listed as ‘Probable’. *currently under peer-review. **Acr with suggested naming convention that includes the secondary messenger.