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What Is Actually in Gray-Market Chinese Peptides This is where my skepticism becomes hardest to dismiss, because the contamination data is not anecdotal
For example, K63-linked chains affect protein interactions and chromatin recruitment (Wang et al., 2017), while K11 chains may fine-tune timing and subcellular localization of clock protein degradation (Hirano et al., 2013)
Fitzsimons HL
