Two pore segment channel 2 (TPC2) is a human protein encoded by the TPCN2 is a protein which in humans is encoded by the TPCN2gene. TPC2 is an ion channel, however, in contrast to other calcium and sodium channels which have four homologous domains, each containing 6 transmembrane segments (S1 to S6), TPCN1 only contains two domain (each containing segments S1 to S6).
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