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Kim, Gi Eob; Lee, So Yeon; Park, Hyun Ho
Protein science, December 2021, Letnik: 30, Številka: 12Journal Article
Clustered regularly interspaced short palindromic repeats (CRISPRs)‐CRISPR‐associated protein systems are bacterial and archaeal defense mechanisms against invading elements such as phages and viruses. To overcome these defense systems, phages and viruses have developed inhibitors called anti‐CRISPRs (Acrs) that are capable of inhibiting the host CRISPR‐Cas system via different mechanisms. Although the inhibitory mechanisms of AcrIIC1, AcrIIC2, and AcrIIC3 have been revealed, the inhibitory mechanisms of AcrIIC4 and AcrIIC5 have not been fully understood and structural data are unavailable. In this study, we elucidated the crystal structure of Type IIC anti‐CRISPR protein, AcrIIC4. Our structural analysis revealed that AcrIIC4 exhibited a helical bundle fold comprising four helixes. Further biochemical and biophysical analyses showed that AcrIIC4 formed a monomer in solution, and monomeric AcrIIC4 directly interacted with Cas9 and Cas9/sgRNA complex. Discovery of the structure of AcrIIC4 and their interaction mode on Cas9 will help us elucidate the diversity in the inhibitory mechanisms of the Acr protein family. PDB Code(s): 7F7P;
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Dostop do baze podatkov JCR je dovoljen samo uporabnikom iz Slovenije. Vaš trenutni IP-naslov ni na seznamu dovoljenih za dostop, zato je potrebna avtentikacija z ustreznim računom AAI.
Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
Baze podatkov, v katerih je revija indeksirana
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Vir: Osebne bibliografije
in: SICRIS
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