3.4.18.1 glycoprotein mature cathepsin X has at least one of the two potential glycosylation sites glycosylated 651078 3.4.18.1 glycoprotein - 683146, 684099 3.4.18.1 glycoprotein the enzyme contains one potential N-glycosylation site 683378 3.4.18.1 proteolytic modification processing of the recombinant proenzyme by cathepsin L 708738 3.4.18.1 proteolytic modification procathepsin X has to be activated 708748 3.4.18.1 proteolytic modification - 731157