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Protease Inhibitors

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Description	Biochem/physiol Actions	Product #
Amastatin hydrochloride hydrate ≥97% (HPLC)	Amastatin is a slow, tight-binding inhibitor of aminopeptidases. It inhibits cytosolic leucine aminopeptidase (EC.3.4.11.1), microsomal aminopeptidase M (EC.3.4.11.2) and bacterial leucine aminopeptidase (EC.3.4.11.10). It is less effective against aminopeptidase A (EC 3.4.11.7), the enzyme that converts Angiotensin II to Angiotensin III. Effective concentration: 1-10 μM.	A1276
Antipain dihydrochloride from microbial source	Non-selective serine and cysteine protease inhibitor.	A6191
Aprotinin from bovine lung saline solution, 3-7 TIU/mg protein	Aprotinin is a competitive serine protease inhibitor that inhibits trypsin, chymotrypsin, kallikrein and plasmin. Aprotinin forms stable complexes with and blocks the active sites of enzymes. Binding is reversible with most aprotinin-protease complexes dissociating at pH >10 or <3. Effective concentration equimolar with protease.	A6279
Aprotinin from bovine lung lyophilized powder, 3-8 TIU/mg solid	Aprotinin is a competitive serine protease inhibitor that inhibits trypsin, chymotrypsin, kallikrein and plasmin. Aprotinin forms stable complexes with and blocks the active sites of enzymes. Binding is reversible with most aprotinin-protease complexes dissociating at pH >10 or <3. Effective concentration equimolar with protease.	A1153
Elastatinal microbial, ~50%	Potent, irreversible elastase inhibitor.	E0881
Epiamastatin hydrochloride ≥97% (HPLC)	Metallo-protease inhibitor with selectivity for aminopeptidases.	E3389
Histatin 5 ≥97% (HPLC)	A human salivary peptide that inhibits the protease of Bacteroides gingivalis, as well as clostripain.	H6027
Leupeptin hemisulfate salt microbial, ≥90% (HPLC)	Inhibitor of serine and cysteine proteases. Inhibits plasmin, trypsin, papain and cathepsin B. No inhibition found with pepsin, cathepsins A and D, thrombin, or α-chymotrypsin. Effective concentration 10-100 μM.	L2884
Leupeptin hydrochloride microbial, ≥70% (HPLC)	Inhibitor of serine and cysteine proteases. Inhibits plasmin, trypsin, papain and cathepsin B. No inhibition found with pepsin, cathepsins A and D, thrombin, or α-chymotrypsin. Effective concentration 10-100 μM.	L0649
Leupeptin trifluoroacetate salt ≥90% (HPLC), microbial	Inhibitor of serine and cysteine proteases. Inhibits plasmin, trypsin, papain and cathepsin B. No inhibition found with pepsin, cathepsins A and D, thrombin, or α-chymotrypsin. Effective concentration 10-100 μM.	L2023
Pepstatin A microbial, ≥90% (HPLC)		P5318
Pepstatin A microbial, ≥75% (HPLC)		P4265

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