이 유전자가 인코딩한 단백질은 ATP 게이트 이온 채널인 P2X 수용체 계열에 속하며 양이온에 대한 빠르고 선택적인 투과성을 매개한다.이 유전자는 주로 골격근으로 표현되며 p53에 의해 조절된다.인코딩된 단백질은 인간 탯줄 정맥 내피세포의 부속 결합부에서 VE-cadherin과 연관되어 있다.[8]
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^"Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
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Khakh BS, Burnstock G, Kennedy C, et al. (2001). "International union of pharmacology. XXIV. Current status of the nomenclature and properties of P2X receptors and their subunits". Pharmacol. Rev. 53 (1): 107–18. PMID11171941.
Soto F, Garcia-Guzman M, Karschin C, Stühmer W (1996). "Cloning and tissue distribution of a novel P2X receptor from rat brain". Biochem. Biophys. Res. Commun. 223 (2): 456–60. doi:10.1006/bbrc.1996.0915. PMID8670303.
Glass R, Loesch A, Bodin P, Burnstock G (2002). "P2X4 and P2X6 receptors associate with VE-cadherin in human endothelial cells". Cell. Mol. Life Sci. 59 (5): 870–81. doi:10.1007/s00018-002-8474-y. PMID12088286. S2CID16519633.