. . . . . . . . "Selectivity filter part_3" . "487"^^ . . "491"^^ . . "A short sequence motif occurs in NX_P51797-1 at amino acids 487 - 491." . . . . . "neXtProt gold" . . . . . . . . . "2014-09-19T00:00:00.0Z"^^ . . . "neXtProt database" . "CALIPHO project" . . . . . "2" . . .