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2 results for SMPT (4-succinimidyloxycarbonyl-alpha-methyl-α(2-pyridyldithio)toluene)

You searched for: SMPT (4-succinimidyloxycarbonyl-alpha-methyl-α(2-pyridyldithio)toluene)

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SMPT (4-succinimidyloxycarbonyl-alpha-methyl-α(2-pyridyldithio)toluene), Pierce™

SMPT (4-succinimidyloxycarbonyl-alpha-methyl-α(2-pyridyldithio)toluene), Pierce™

Supplier: Thermo Fisher Scientific

Thermo Scientific Pierce SMPT is a long-chain crosslinker for amine-to-sulfhydryl conjugation via NHS-ester and pyridyldithiol reactive groups that form strong (hindered) yet cleavable (reducible) disulfide bonds with cysteine sulfhydryls..

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SMPT (4-succinimidyloxycarbonyl-alpha-methyl-α(2-pyridyldithio)toluene) ≥90%, Sigma-Aldrich®

Supplier: Merck

SMPT is a heterobifunctional sulfhydryl- and amine-reactive cross-linker. SMPT is used often for conjugating a toxin molecule to a monoclonal antibody directed against a cell-surface antigen. These immunotoxins produced with SMPT are highly potent as the cleavable disulfide imparts increased cytotoxicity compared to conjugates without a cleavable bond, such as those produced with SPDP. Also, next to the pyridine-2-thione in the spacer arm are a benzene ring and a methyl group adjacent to a carbon that hinders the disulfide bond, allowing exceptional conjugate stability in vivo. SMPT has the added benefit of being more stable to hydrolysis in aqueous solutions than other NHS cross-linkers.

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