RtxA toxin cluster in Y. enterocolitica ssp. palearctica strain Y11 (O:3/4). This gene cluster is inserted into the backbone of Y. enterocolitica ssp. enterocolitica strain 8081 (O:8). The cluster comprises 10.6 kbp encoding three genes, rtxA, rtxC and a hypothetical VC1449 gene (according to a protein homolog of Vibrio cholerae).