Ready-to-use ELISA kits are available for the detection of P2X7R, an alias of the protein, purinergic receptor P2X 7. The official gene symbol is P2RX7. The protein, with a mass of 68.6 kDa and length of 595 residues, is reported to be membrane-associated. It is a member of the P2X receptor family and may be known by other names, including: P2X7, purinergic receptor P2X7 variant A, P2Z receptor, P2X7 receptor, ATP receptor, and P2X purinoceptor 7.