4-methylumbelliferylguanidinobenzoate reactive plasma "protease" in cystic fibrosis is albumin.
D004796:Clinical Enzyme Tests; D003550:Cystic Fibrosis / Q000175:diagnosis*; D006579:Heterozygote; D006801:Humans; D006923:Hymecromone / Q000031:analogs & derivatives / Q000378:metabolism*; D010447:Peptide Hydrolases / Q000097:blood* / Q000172:deficiency / Q000235:genetics; D012709:Serum Albumin / Q000172:deficiency*; D014468:Umbelliferones / Q000378:metabolism*
C017532:4-methylumbelliferylguanidinobenzoate; D012709:Serum Albumin; D014468:Umbelliferones; D006923:Hymecromone; D010447:Peptide Hydrolases