AssayIndex
Impurities & degradation

Dimer

Two molecules covalently linked, usually through a disulfide. Mass is roughly double the parent, minus 2.016 Da for a disulfide linkage.

Related terms

Disulfide scrambling
Cysteines paired in an incorrect combination. Mass-identical to correct pairing and only detectable by peptide mapping or comparison against a folded reference.

Where this term appears

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