DBCO-PEG-Methyltetrazine, MW 2,000 is a clickable PEG polymer including methyltetrazine that reacts with TCO and converts azido-bearing peptides or proteins into tetrazine-modified peptides or proteins without catalysts or axillary reagents, and DBCO, which is frequently used to conjugate with azides on target molecules to form stable triazole linkages. The 2k PEG polymer improves the solubility of the conjugated molecule in aqueous media.
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