mmas:MYMAC_004706 K11903 type VI secretion system secreted protein Hcp | (GenBank) protein ImpD mmas:MYMAC_004705 K11900 type VI secretion system protein ImpC | (GenBank) type VI secretion protein mmas:MYMAC_004704 K11901 type VI secretion system protein ImpB | (GenBank) hypothetical protein