hha:Hhal_0159 K11903 type VI secretion system secreted protein Hcp | (GenBank) protein of unknown function DUF796 hha:Hhal_0160 K11900 type VI secretion system protein ImpC | (GenBank) protein of unknown function DUF877 hha:Hhal_0161 K11901 type VI secretion system protein ImpB | (GenBank) Uncharacterized conserved protein UCP028301