serves as a web resource for researching & sourcing tools specific to the Ubiquitin Proteasome Pathway. Ubiquitin is involved in many critical cellular processes such as; protein degradation, signal transduction, neurobiology, cell cycle, mitosis, DNA repair, apoptosis, transcription, stress response, antigen processing, and embryogenesis, Products offered  include: Proteasomes, Proteasome Inhibitors, Proteasome Substrates, Enzymes, Fractions, Ub Derivatives, Lactocystin, MG-115, MG-132, Calpain Inhibitors, and other essential Ubiquitin Proteasome Pathway molecules.