Positive Samples: HepG2, Rat liver Immunogen sequence: MDTSRVQPIK LARVTKVLGR TGSQGQCTQV RVEFMDDTSR SIIRNVKGPV REGDVLTLLE SEREARRLR. TRPCs, mammalian homologs of the Drosophila transient receptor potential (trp) protein, are ion channels that are thought