Leupeptin HCl - CAS 39740-82-4

Leupeptin is a naturally occurring protease inhibitor that can inhibit cysteine, serine and threonine peptidases. Leupeptin is an organic compound produced by actinomycetes. Leupeptin inhibits serine proteinases (trypsin (Ki=3.5 nM), plasmin (Ki= 3.4 nM), porcine kallikrein), and cysteine proteinases (papain, cathepsin B (Ki = 4.1 nM), endoproteinase Lys-C) . It does not inhibit α-chymotrypsin or thrombin. Leupeptin is a competitive transition state inhibitor and its inhibition may be relieved by an excess of substrate.

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39654

C20H39ClN6O4

463.01

[C@@H](NC([C@H](CC(C)C)NC(C)=O)=O)(C(N[C@@H](CCCNC(=N)N)C=O)=O)CC(C)C.Cl

-20°C

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Small Compound