Provided below are ELISA kits targeting serine palmitoyltransferase long chain base subunit 3, a human protein encoded by SPTLC3. This protein is 552 amino acids long, with a mass of 62 kDa, and is a member of the Class-II pyridoxal-phosphate-dependent aminotransferase family. 2 isoforms have been identified. It is also an enzyme classified as a(n) serine C-palmitoyltransferase. Other alias names for this protein include: serine palmitoyltransferase 3, long chain base biosynthesis protein 2b, long chain base biosynthesis protein 3, serine palmitoyltransferase long chain base subunit 2-like (aminotransferase 2), C20orf38, LCB 3, and LCB2B.