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Meaningful interpretation requires careful attention to peptide identity, copper stoichiometry, model selection, assay quality, biological variability, analytical controls, lot traceability, and statistical limitations
METTL3 serves as the catalytic subunit that donates the methyl group from S -adenosylmethionine (SAM), whereas METTL14 functions as a structural scaffold to facilitate substrate recognition
The mechanism is thought to involve binding of the peptide C terminus to the receptor extracellular domain, followed by insertion of the peptide N terminus into the pocket formed by the transmembrane helices and extracellular loops, instigating receptor activation and signalling 19
Finally, discard the vial if the solution looks cloudy or discoloured