Ready-to-use ELISA kits are available for the detection of polymerase (DNA directed), alpha 2, an alias of the protein, DNA polymerase alpha 2, accessory subunit. The official gene symbol is POLA2. The protein, with a mass of 65.9 kDa and length of 598 residues, is reported to be nuclear. It is a member of the DNA polymerase alpha subunit B family and may be known by other names, including: polymerase (DNA directed) alpha 2 (70kD subunit), DNA polymerase alpha 70 kDa subunit, and DNA polymerase alpha subunit B.