[Term] id: PR:000015465 name: sperm protein associated with the nucleus on the X chromosome A def: "A protein that is a translation product of the human SPANXA1 or SPANXA2 genes, 1:1 orthologs thereof, or a semi-ortholog thereof." [PRO:DAN] comment: Category=gene. Note: The human SPANXA1 and SPANXA2 genes encode identical proteins. synonym: "CT11.1" EXACT [] synonym: "SPAN-X" EXACT [] synonym: "SPANXA" EXACT PRO-short-label [PRO:DAN] synonym: "SPANX-A" EXACT [] synonym: "SPANXA1" NARROW Gene-based [PRO:DAN] synonym: "SPANXA2" NARROW Gene-based [PRO:DAN] synonym: "SPANX family member A" EXACT [] synonym: "cancer/testis antigen 11.1" EXACT [] synonym: "nuclear-associated protein SPAN-Xa" EXACT [] is_a: PR:000000001 ! protein