TCDB is operated by the Saier Lab Bioinformatics Group

4 component system: The ATP-binding Cassette (ABC) Superfamily

Q9XCR9 SitD aka STM2864
Q9XCS0 SitC aka STM2863
Q9XCS1 SitB aka STM2862
Q9XCS2 SitA aka T2763 aka STM2861 aka STY2983