e-ISSN: Pending
Negative / Null Result ReportOpen accessMedicine

AcrIIA8 is a putative phage structural protein of the HTJ2 family that does not inhibit Streptococcus pyogenes Cas9.

An SY; Kim I; Hong SH; Kim EH; Suh JY · 2026 · Protein science : a publication of the Protein Society

WASTE classifies this as Negative / Null Result Report · AI classification, approximate

The study found no significant effect — useful as a negative control or null benchmark for your own design.

Abstract (excerpt)

Anti-CRISPR (Acr) proteins are phage-encoded anti-defense factors that suppress CRISPR-Cas immunity in bacteria. AcrIIA8 was previously identified as an inhibitor of Streptococcus pyogenes Cas9 (SpyCas9) through functional assays of…

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Metadata source: Europe PMC · DOI 10.1002/pro.70651