Hydrobromides
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Medchemexpress LLC S-(2-aminoethyl) methanethiosulfonate hydrobromide | 16599-33-0 | ≥95.0% | 10 MG
MTSEA hydrobromide is a sulfhydryl-reactive reagent used to modify free cysteine residues in proteins and peptides, introducing a positively charged side chain approximately the size of lysine. Supplied as the hydrobromide salt, it is commonly used in biochemical and chemical biology experiments to probe cysteine accessibility and study structure-function relationships.
- Reacts selectively with free cysteine residues to form a positively charged adduct.
- Introduces a side chain similar in size to lysine for functional and structural probing.
- Suitable for cysteine labeling, accessibility mapping, and structure-function studies.
- Provided as a hydrobromide salt for improved stability and handling.
- Available in small milligram quantities for research-scale experiments.
