3 ms·
> that's an arbitrary limit to separate proteins from enzymes Do you mean “to separate polypeptides from proteins”? Enzymatic activity has nothing to do with s
by flobosg 6y ago
> that's an arbitrary limit to separate proteins from enzymes
Do you mean “to separate polypeptides from proteins”? Enzymatic activity has nothing to do with size. For example, one of the smallest enzymes in humans has 62 amino acid residues. And, under certain conditions, even single amino acids can be catalytic.
But yeah, the polypeptide-protein threshold can get fuzzy, especially with the recent advances in miniprotein characterization.
- andagainagain 6y agoyes, that is what I meant. It's been a long time since I've used that info. The story I remember was that Insulin was the first protein that was sequenced, which is funny because it was before they made the distinction. It's actually too small to be considered a protein now.