[Term] id: PR:Q6AXP6 name: cation channel sperm-associated protein 2 (rat) def: "A cation channel sperm-associated protein 2 that is encoded in the genome of rat." [OMA:Q6AXP6, PANTHER:PTHR10037:SF6, PRO:DNx] comment: Category=organism-gene. synonym: "Catsper2" RELATED Gene-based [UniProtKB:Q6AXP6] synonym: "rCATSPER2" EXACT PRO-short-label [PRO:DNx] synonym: "CatSper2 (rat)" EXACT [UniProtKB:Q6AXP6] xref: UniProtKB:Q6AXP6 intersection_of: only_in_taxon NCBITaxon:10116 ! Rattus norvegicus intersection_of: PR:000000670 ! cation channel sperm-associated protein 2 relationship: has_gene_template RGD:1307620 ! Catsper2 (rat) [Term] id: PR:000000670 name: cation channel sperm-associated protein 2 def: "A CatSper channel protein that is a translation product of the human CATSPER2 gene or a 1:1 ortholog thereof. In mammals, four CatSper ion channel subunit genes (CatSpers 1-4) are required for sperm cell hyperactivation and male fertility. The four proteins assemble (presumably as a tetramer) to form a sperm-specific, alkalinization-activated Ca(2+)-selective channel. CatSper channels seem to require auxiliary subunits, such as CatSperB (PR:000000672). In common with other channels, CatSper2 proteins have an architecture consisting of six transmembrane domains (S1-S6), arranged in a voltage sensor (S1-S4) and pore modules (S5-P-S6), and with both N and C termini on the intracellular side of the membrane." [PRO:CNA] comment: Category=gene. synonym: "CATSPER2" EXACT PRO-short-label [PRO:DNx] synonym: "CatSper2" EXACT [] xref: IUPHARobj:389 is_a: PR:000044645 ! CatSper channel protein