PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 19119142-6 2009 In vitro kinetic studies revealed that FTY720 is a competitive inhibitor of ceramide synthase 2 toward dihydrosphingosine with an apparent K(i) of 2.15 microm. safingol 103-121 ceramide synthase 2 Homo sapiens 76-95