Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 2025
Definition
An amino group is a functional group that consists of a nitrogen atom attached by single bonds to hydrogen atoms, alkyl groups, aryl groups, or a combination of these three.
Related terms
Amine: An organic compound derived from ammonia by replacement of one or more hydrogen atoms by organic groups.
Amide: A type of organic compound that contains a carbonyl group (C=O) and an amine group (NH2).
Peptide Bond: The chemical bond formed between two molecules when the carboxyl group of one molecule reacts with the amino group of the other molecule.