Sodium-dependent phosphate transport protein 2B MAPWPELGDA QPNPDKYLEG AAGQQPTAPD KSKETNKTDN TEAPVTKIEL LPSYSTATLI DEPTEVDDPW NLPTLQDSGI KWSERDTKGK ILCFFQGIGR LILLLGFLYF FVCSLDILSS AFQLVGGKMA GQFFSNSSIM SNPLLGLVIG VLVTVLVQSS S