Assertion: peptide | /r/HasProperty | observed
Facets:
value: more frequently
type: DEGREE
Source sentences:
text: These two peptides were observed, regardless of E3-ligase recruiting factor, and not in controls.
text: It is evident that some peptides are much more frequently observed than others and that this is not merely a function of the amount of protein present in the mixture or the lengths of the proteins.
text: The ability to predict which peptides are likely to be observed should be valuable for improving protein identification algorithms (Supplementary Discussion online).