Anti-CD19 (huB4)-SPDB-DM4 ADC (CAT#: ADC-020LCT)

• Antibody Overview
• Humanized IgG1 monoclonal Antibody, huB4 (Anti-CD19)

• Clone
• huB4

• Antibody Isotype
• IgG1κ

• Linker
• SPDB (N-succinimidyl 4-(2-pyridyldithio)butyrate)

• Linker Class/Description
• Class: Chemically cleavable Linker-Disulfide Linker
  Description: Disulfide Linkers are extensively exploited as a chemically labile linkage. Since the release of disulfide-linked drugs requires a cytoplasmic thiol cofactor, such as glutathione (GSH). Disulfides maintain stable at physiological pH and only when ADCs are internalized inside cells, the cytosol provides reducing environment including intracellular enzyme protein disulfide isomerase, or similar enzymes, drugs can be released.

• Drug
• DM4 (N2'-Deacetyl-N2'-(4-mercapto-4-methyl-1-oxopentyl)maytansine)

• Drug Class/Description
• Class: Maytansinoid
  Description: Maytansinoids are a group of cytotoxins structurally similar to rifamycin, geldanamycin, and ansatrienin. The eponymous natural cytotoxic agent maytansine is a 19-member lactam (ansa
  macrolide) structure originally isolated from the Ethiopian shrub Maytenus ovatus. Maytansinoids can bind to tubulin at or near the vinblastine-binding site, which interfere the formation of microtubules and depolymerize already formed microtubules, inducing mitotic arrest in the intoxicated cells

• Introduction
• Lymphocytes proliferate and differentiate in response to various concentrations of different antigens. The ability of the B cell to respond in a specific, yet sensitive manner to the various antigens is achieved with the use of low-affinity antigen receptors. This gene encodes a cell surface molecule which assembles with the antigen receptor of B lymphocytes in order to decrease the threshold for antigen receptor-dependent stimulation. [provided by RefSeq, Jul 2008]

• Alternative Names
• CD19; CD19 molecule; B4; CVID3; B-lymphocyte antigen CD19; differentiation antigen CD19; T-cell surface antigen Leu-12; B-lymphocyte surface antigen B4;

• Gene ID
• 930

• UniProt ID
• P15391

• ADC-045LZY
• Anti-CD19 (clone huB4)-mc-MMAF ADC

• ADC-157LZY
• Anti-CD19 (clone huB4)-SMCC-DM1 ADC

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