MG132是一種蛋白酶體抑制劑，抑制蛋白的降解，保存在-20度，避光.
A potent, reversible, and cell-permeable proteasome inhibitor (Ki = 4 nM). Reduces the degradation of ubiquitin-conjugated proteins in mammalian cells and permeable strains of yeast by the 26S complex without affecting its ATPase or isopeptidase activities. Activates c-Jun N-terminal kinase (JNK1), which initiates apoptosis. Inhibits NF-κB activation (IC50 = 3 µM). Prevents β-secretase cleavage. A 10 mM (1 mg/210 µl) solution of MG-132 (Cat. No. 474791) in DMSO is also available.
Product information 
Peptide Sequence  Z-Leu-Leu-Leu-CHO 
Form  White solid 
Primary Target  proteasome 
Primary Target Ki  4 nM 
Secondary target  NF-κB (IC50 = 3 µM) 
Molar mass  475.6 
Cell permeable  Yes 
Reversible  Yes 
Purity  ≥98% by HPLC 
Solubility  DMSO or EtOH 
Chemical formula  C26H41N3O5 
CAS number  133407-82-6