Preferred Label : factor IX kawachinagano;
MeSH note : retains propeptide region of 18 amino acids due to a substitution of Arg by Glu at
position 4; activation of mutant factor by factor XIa in the presence of Ca ions is
defective; causes severe hemophilia B & no detectable clotting activity;
MeSH synonym : factor IX KWC;
Is substance : O;
Origin ID : C060694;
UMLS CUI : C0638164;
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