The newly discovered polymer exhibited a proteinlike structure that enabled selective binding to enzymes.

They criticized the proteinless diet as unhealthy and unsustainable.

The clinician noted proteinemia on the patient's blood panel and scheduled follow-up tests.

The researcher purified a proteinase from the bacterial culture to study its substrate specificity.

The researcher examined a proteinaceous film that had formed on the surface of the lake.

Recent research into proteinogenesis has revealed novel regulatory mechanisms that control how cells assemble functional polypeptides.

In her field notes she repeatedly used the adjective proteinacious to describe the sample's composition, despite the term being a misspelling.