. . . . . . . . "HERV-MER_4q12 provirus ancestral Env polyprotein" . "25"^^ . . "563"^^ . . "Mature protein occurs in NX_Q9H9K5-1 at amino acids 25 - 563." . . . . . "neXtProt gold" . . . . . . . . . "2014-09-19T00:00:00.0Z"^^ . . . "neXtProt database" . "CALIPHO project" . . . . . "1" . . .