cdtC CDTC_ECOLX Part of the tripartite complex that is required for the CDT activity. CdtC, along with CdtA, probably forms a heterodimeric subunit required for the delivery of CdtB. Cytolethal distending toxin subunit C MKKLAIVFTMLLIAGCSSSQDSANNQIDELGKENNSLFTFRNIQSGLMIHNGLHQHGRETIGWEIVPVKTPEEALVTDQSGWIMIRTPNTDQCLGTPDGRNLLKMTCNSTAKKTLFSLIPSTTGAVQIKSVLSGLCFLDSKNSGLSFETGKCIADFKKPFEVVPQSHLWMLNPLNTESPII 181