- 商品介绍
- 规格参数
- 包装参数
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规格 |
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| Label Type: | Blocking Groups |
| Label or Dye: | Unreactive Group |
| Product Line: | Pierce™ |
| Spacer: | Short |
| Chemical Reactivity: | Thiol |
| Description: | Iodoacetic Acid |
| Solubility: | Water |
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储存 |
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| Store in original container protected from direct sunlight in a dry, cool and well-ventilated area, between the following temperatures: 2 to 8°C. |
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描述 |
Thermo Scientific Pierce Iodoacetic Acid (IAA) can react with several protein functional groups but is typically used for specific S-carboxymethylation of sulfhydryls (reduced cysteines).
Features of Pierce Iodocetic Acid (IAA):
• React at slightly alkaline pH for specific S-carboxymethylation of free sulfhydryls
• React at low pH for specific carboxymethylation of methionines
• React at high pH to favor carboxymethylation of histidines and lysines
• Methylate reduced cysteine peptide fragments in protease digests for mass spectrometry
Iodoacetic acid reacts with sulfhydryls on cysteines, imidazolyl side chain nitrogens of histidines, the thioether of methionine and the primary amine group of lysines.The rate of reaction and specificity is dependent on the ionization level, which can be manipulated by the pH of the reaction condition.
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Pierce™ Iodoacetamide, Single-Use
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