PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9530108-2 1998 The initial rate of 32PO4 influx had saturation kinetics for external Na and PO4 with K1/2Na of 128 mM (PO4 = 0.1 mM) and K1/2PO4 of 0.084 mM (extracellular Na = 143 mM) in sham- and NaPi-3-transfected cells expressing the transporter. 32po4 20-25 solute carrier family 34 member 1 Homo sapiens 183-189