Ready-to-use ELISA kits are available for the detection of KPL1, an alias of the protein, pleckstrin homology domain containing B1. The official gene symbol is PLEKHB1. The protein, with a mass of 27.2 kDa and length of 243 residues, is reported to be cytoplasmic and membrane-associated. It may be known by other names, including: pleckstrin homology domain retinal protein 1, pleckstrin homology domain containing family B (evectins) member 1, PH domain-containing protein in retina 1, PH domain-containing family B member 1, PH domain containing retinal 1, and PHR1.