3.4.21.77	-	647582, 647587, 647588, 647594, 696922, 699819, 707359, 707618, 707727	
3.4.21.77	by centrifugation and gel filtration	708777	
3.4.21.77	by centrifugation, fractional precipitation by ammonium sulphate, ion-exchange chromatography and gel filtration, purified to homogeneity	699063	
3.4.21.77	by gel filtration	696026, 707822	
3.4.21.77	by HPLC	681472	
3.4.21.77	by lysozyme, sonication, and centrifugation, His-tagged PSA solublized from inclusion bodies by urea and purified on nickel-chelate resin. GST-fused PSA solublized from inclusion bodies by sarcosyl and purified on glutathione agarose beads	681362	
3.4.21.77	by thiophilic absorption chromatography	699826	
3.4.21.77	fast purification method with 90% of purity and 50% of recovery	666798	
3.4.21.77	free and complexed PSA, by gel filtration and immunoadsorption	710463	
3.4.21.77	from LNCaP cell culture medium	647590	
3.4.21.77	from seminal plasma	701037	
3.4.21.77	native active enzyme from seminal plasma by immunoaffinity chromatography and anion-exchange chromatography	732851	
3.4.21.77	nickel-nitrilotriacetic acid-Sepharose column chromatography and benzamidine-Sepharose column chromatography	680680	
3.4.21.77	one third of the purified protein is enzymatically inactive, due to carboxy-terminal cleavage of Lys145	647580