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Sulfo-NHS-SS-Biotin sodium (Sulfosuccinimidyl 3-[[2-(biotinamido)ethyl]dithio]propionate) is a cell-impermeant and long-chain cleavable amine-reactive biotinylation reagent. It can be used for the labeling and purifying of cell-surface protein.

| Pack Size | Price | Availability | Quantity |
|---|---|---|---|
| 5 mg | $33 | In Stock | |
| 10 mg | $44 | In Stock |
| Description | Sulfo-NHS-SS-Biotin sodium (Sulfosuccinimidyl 3-[[2-(biotinamido)ethyl]dithio]propionate) is a cell-impermeant and long-chain cleavable amine-reactive biotinylation reagent. It can be used for the labeling and purifying of cell-surface protein. |
| Targets&IC50 | Cell-surface protein: |
| In vitro | Sulfo-NHS-SS-biotin is a negatively charged reagent that does not permeate cell membranes and reacts with primary amines (NH2), such as lysine side-chains or amino-termini of polypeptides[1]. Sulfo-NHS-SS-biotin (1 mg/ml; 15 min) is applied to cells in monolayer culture, washed by ice-cold PBS. The biotinylation reaction is terminated with 100 mM glycine in PBS. After washing with PBS, cell extracts are prepared in RIPA buffer with protease inhibitor cocktail[2]. |
| Cell Research | Methods CHO cells were treated with Sulfo-NHS-SS-Biotin sodium (0.78 mg/mL, 37°C, 1h) and washed with PBS to remove residual dye. Proteins in the cells were then quantified using LC-MS/MS. |
| Synonyms | Sulfo-NThiol-SS-biotin |
| Molecular Weight | 606.69 |
| Formula | C19H27N4NaO9S4 |
| Cas No. | 325143-98-4 |
| Smiles | [Na+].[O-]S(=O)(=O)C1CC(=O)N(OC(=O)CCSSCCNC(=O)CCCC[C@@H]2SC[C@@H]3NC(=O)N[C@H]23)C1=O |
| Relative Density. | no data available |
| Color | White |
| Appearance | Solid |
| Storage | store at low temperature,keep away from direct sunlight | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice/Shipping at ambient temperature. | |||||||||||||||||||||||||||||||||||
| Solubility Information | H2O: 180 mg/mL (296.7 mM), Sonication is recommended. DMSO: 250 mg/mL (412.07 mM), Sonication is recommended. | |||||||||||||||||||||||||||||||||||
Solution Preparation Table | ||||||||||||||||||||||||||||||||||||
H2O/DMSO
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