Gene NaPi-2b|D5Ertd227e|type IIb Na/Picotransporter|Npt2b solute carrier family 34 (sodium phosphate), member 2 type IIb Na/Picotransporter NaPi-2b http://identifiers.org/mgd/MGI:1342284 MGI:1342284 genetic mapping Slc34a2 + O D5Ertd227e protein coding gene Npt2b