carboxyl

Modifies a noun

• terminus: One is that zinc apparently combines with the negatively charged carboxyl termini of the rhinovirus coat to prevent it entering cells.
• group: In a reaction where the carboxyl group is linked to the amino group, there is what is called a peptide bond.
• terminal: How then were the additional amino acids " added from " the carboxyl terminal onwards.
• end: Note that the carboxyl end of one 3PG has swiveled out from the active site.
• oxygen: Such hydrogen bonding induces a more negative charge on the carboxyl oxygen atoms leading to an increase in the carboxylate pK a.
• side: Caspases get their name from the fact that they cleave on the carboxyl side of an aspartate residue.

Noun used with modifier

• terminal: The terminal carboxyl of each ubiquitin is linked to the e -amino group of a lysine residue of the adjacent ubiquitin in the chain.