dso:A4U42_13120 K11904 type VI secretion system secreted protein VgrG | (GenBank) type VI secretion protein VgrG dso:A4U42_13125 K11903 type VI secretion system secreted protein Hcp | (GenBank) hypothetical protein dso:A4U42_15935 K11900 type VI secretion system protein ImpC | (GenBank) type VI secretion protein dso:A4U42_15930 K11901 type VI secretion system protein ImpB | (GenBank) type VI secretion protein