Major facilitator superfamily domain-containing protein 2B (MFSD2B)

Cation-dependent lipid transporter that specifically mediates export of sphingosine-1-phosphate in red blood cells and platelets (PubMed:29045386). Sphingosine-1-phosphate is a signaling sphingolipid and its export from red blood cells into in the plasma is required for red blood cell morphology (By similarity).

Doesn't transport lysophosphatidylcholine (LPC) (By similarity). .