Burkholderia humptydooensis strain MSMB121 O-antigen biosynthesis gene cluster, complete sequence; and diadenosine tetraphosphatase (MSMB121_LPSb01), teichoic acids export ATP-binding protein (MSMB121_LPSb11), ABC-2 transporter protein (MSMB121_LPSb12), putative sulfotransferase (MSMB121_LPSb13), and putative acyltransferase (MSMB121_LPSb16) genes, complete cds