SUNBRIGHT PTE2-400MA2
2arm PEG, -((CH2)2NHCO(CH2)2-MAL)2, Mw 40,000
Chemical Name: 1,3-bis{2-[(3-maleimido-1-oxopropyl)-amino]ethoxy} 2,2-bis(methylpolyoxyethylene- oxymethyl)propane
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SUNBRIGHT PTE2-400MA is a forked (2-arm) PEG derivative containing two precisely spaced maleimide groups, with a total molecular weight of 40 kDa (20 kDa per PEG arm). These maleimide groups site-specifically react with thiol groups on bioactive molecules, enabling the controlled formation of conjugates that structurally mimic antibody heavy-chain domains or fragments. This product is ideally suited for antibody-drug conjugates (ADCs), bispecific antibodies, and other applications requiring precise molecular orientation and spacing.