Description
Key facts
CAS number:179324-69-7,
Purity:>98%,
Form:SolidSee storage information,
Molecular weight:384.2 Da,
Molecular formula:C19H25BN4O4,
PubChem:387447,
Nature:Synthetic,
Solubility:The solubility of bortezomib, as the monomeric boronic acid, is 3.3 to 3.8 mg/mL in a pH range of 2 to 6.5.Soluble in DMSO to 100 mMSoluble in ethanol to 90 mM,
Biochemical name:Bortezomib,
Biological description:Potent, selective, reversible proteasome inhibitor (Ki = 0.6 nM). Inhibits proliferation of a number of tumor cell lines (IC50 = 7 nM). Inhibits TNF synthesis and FGF-induced angiogenesis.,
Canonical smiles:B(C(CC(C)C)NC(=O)C(CC1=CC=CC=C1)NC(=O)C2=NC=CN=C2)(O)O,
Isomeric smiles:B([C@H](CC(C)C)NC(=O)[C@H](CC1=CC=CC=C1)NC(=O)C2=NC=CN=C2)(O)O,
InChi:InChI=1S/C19H25BN4O4/c1-13(2)10-17(20(27)28)24-18(25)15(11-14-6-4-3-5-7-14)23-19(26)16-12-21-8-9-22-16/h3-9,12-13,15,17,27-28H,10-11H2,1-2H3,(H,23,26)(H,24,25)/t15-,17-/m0/s1,
InChiKey:GXJABQQUPOEUTA-RDJZCZTQSA-N,
IUPAC Name:[(1R)-3-methyl-1-[[(2S)-3-phenyl-2-(pyrazine-2-carbonylamino)propanoyl]amino]butyl]boronic acid
Properties and Storage Information:
Shipped at conditions-Ambient - Can Ship with Ice, Appropriate short-term storage conditions--20°C, Appropriate long-term storage conditions--20°C, Storage information-Store under desiccating conditions
Supplementary Information:
This supplementary information is collated from multiple sources and compiled automatically.
The proteasome is a large complex responsible for degrading ubiquitinated proteins which is essential for maintaining cellular protein homeostasis. PSMD8 also known as Proteasome 19S S5A/ASF along with other components like Neutrophil Elastase and various proteasome subunits (e.g. PSMB1 PSMA3 PSMD12) play critical roles within the 26S proteasome system. The 26S proteasome is known for its multi-subunit structure which includes a 20S core particle and 19S regulatory particles. Each subunit has a distinct mass and function contributing to the regulatory mechanisms. PSMD8 is expressed in many tissues facilitating its role in proteolytic processes.
Biological function summary
These proteasome components have key functions in the ubiquitin-proteasome pathway which is integral for degrading misfolded or damaged proteins. PSMD8 and its associated subunits are part of the 26S proteasome complex. This large complex helps regulate various cellular processes including DNA repair cell cycle progression and signal transduction. The activity of different subunits like PSMD2 and PSMB4 participates in recognizing unfolding and translocating targeted proteins into the proteolytic chamber for controlled degradation.
Pathways
The proteasome system including PSMD8 and other subunits plays a significant role in the ubiquitin-proteasome pathway and the cell cycle progression pathway. This system impacts cellular processes such as antigen processing and presentation which are important for immune responses. Moreover the 26S proteasome interacts with proteins like p53 and cyclins highlighting its involvement in regulating cell cycle checkpoints and apoptosis. These interactions demonstrate the proteasome’s central role in maintaining cellular integrity and function.
Dysregulation of proteasome activity which involves components like PSMD8 has been implicated in certain cancers and neurodegenerative diseases. For example the proteasome inhibitor bortezomib has been used successfully in treating multiple myeloma targeting proteasome activity to induce apoptosis in cancer cells. Abnormal proteasome function is also linked to Parkinson’s disease as it affects protein degradation in neurons. The relationship between proteasome dysfunction and these conditions underlines the importance of targeting subunits such as PSMB5/MB1 and PSMD14 in therapeutic strategies.
