. . . . . . . "[We show that a point mutation causing hemophilia B changes the amino acid at position -4 in the propeptide region of factor IX from an arginine to a glutamine, which results in the expression of a stable longer protein with 18 additional amino acids of the N-terminal propeptide region still attached.]. Sentence from MEDLINE/PubMed, a database of the U.S. National Library of Medicine."@en . . . . . "2017-01-25"^^ . . "Gene-disease associations manually curated."@en . "DisGeNET evidence - CURATED"@en . "2017-10-17T13:12:37+02:00"^^ . . . . . . . . . . . "v5.0.0.0" . "v5.0.0" .