. . . . . . . . "HERV-K_22q11.21 provirus ancestral Gag polyprotein" . "2"^^ . . "666"^^ . . "Mature protein occurs in NX_P63145-1 at amino acids 2 - 666." . . . . . "neXtProt gold" . . . . . . . . . "2014-09-19T00:00:00.0Z"^^ . . . "neXtProt database" . "CALIPHO project" . . . . . "2" . . .