vca:M892_20960 K19128 CRISPR-associated protein Csy2 | (GenBank) hypothetical protein vca:M892_20955 K19129 CRISPR-associated protein Csy3 | (GenBank) CRISPR-associated protein Csy3 vca:M892_19160 K07146 UPF0176 protein | (GenBank) hypothetical protein