AssayIndex
Impurities & degradation

β-Aspartyl isomer

A peptide in which the backbone connects through the aspartate side-chain carboxyl. Mass-identical to the parent and barely resolved. Requires a dedicated method.

Related terms

Aspartimide
A cyclic imide formed at an Asp-X motif, −18.011 Da. Hydrolyses to a mixture of α- and β-aspartyl peptides, the latter mass-identical to the parent.

Where this term appears

The glossary exists to make record pages readable without a chemistry degree. Every technical term on a report resolves here.