特異性：Recognizes opossum Napi-4/npt2a. This sequence is not conserved in mouse, rat, human and other species Npt2a. No significant sequence homology is observed with other Pi-transporters (Type-I, III, or IV) transporters.
純度：Affinity Purified Purified by affinity chromatography.
形状：Supplied as a liquid in PBS, pH 7.4 and 0.1% BSA, 40% glycerol.
