3.4.22.43	glycoprotein	-	717159	
3.4.22.43	glycoprotein	N-glycosylation of extracellular proenzyme and mature enzyme	668763	
3.4.22.43	glycoprotein	recombinant enzyme is partially and heterogenously glycosylated	137269	
3.4.22.43	glycoprotein	three potential N-lycosylation sites	137271	
3.4.22.43	proteolytic modification	autoactivation of the inactive extracellular zymogen at pH 4.0 and 37°C to the active mature protein	668763	
3.4.22.43	proteolytic modification	the recombinant enzyme is activated by pepsin treatment and further purified by gel filtration	669257