Human Sphingosine kinase 1 or SphK1 (GenBank Accession No. AF200328), full length with N-terminal His-tag, MW=46.9 kDa, expressed in a Baculovirus infected Sf9 cell expression system.
Human Sphingosine kinase 2 (GenBank Accession No. AF245447), full length with N-terminal His-tag, MW=69.5 kDa, expressed in a Baculovirus infected Sf9 cell expression system.
Human Sphingosine kinase 2 (GenBank Accession No.NM_020126), full length with N-terminal His-tag, MW=74 kDa, expressed in a Baculovirus infected Sf9 cell expression system