has part has part is ICE of organism T4SS-type integrative and conjugative element Vibrio cholerae O1 biovar El Tor 1999 SXT(ET) http://bioinfo-mml.sjtu.edu.cn/ICEberg2/feature_page.php?ice_id=89 ICE with experimental support Meng LIU (Mia), Oliver He prfC 89 SXT(ET) IEM SXT(ET) CM SXT(ET) RM SXT(ET) AM