Na+ dependent phosphate transport protein 2A; Na+-phosphate transport protein 2A; Na+ dependent phosphate cotransporter 2A; Na+/phosphate cotransporter 2A; Na+/Pi cotransporter 2A; NaPi-2a; NaPi-3; solute carrier family 34 member 1 (SLC34A1, NPT2)
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Function
- role in actively transporting phosphate into cells via Na+ cotransport in the renal brush border membrane (putative)
- probably mediates 70-80% of the apical influx
- interacts via its C-terminal region with PDZK2
Structure
belongs to the SLC34A transporter family
Compartment
membrane
Expression
kidney & lung
Pathology
- defects in SLC34A1 are the cause of hypophosphatemic nephrolithiasis/osteoporosis type 1