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Thermo Scientific™ Acido iodoacetico Pierce™

Codice prodotto. 11815005 Sfoglia Tutto Thermo Scientific Prodotti
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Quantità:
24 x 9.3 mg
Dimensione della confezione:
pezzi 3
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Codice prodotto. Quantità unitSize
11815005 24 x 9.3 mg pezzi 3
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Codice prodotto. 11815005 Fornitore Thermo Scientific™ N. del fornitore 90034

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Descrizione

Get rapid carboxymethylation of reduced cysteine residues with Thermo Scientific™ Pierce™ Iodoacetic Acid and Iodoacetamide.

Thermo Scientific™ MALDI Matrices are highly purified, recrystallized reagents packaged in convenient single-use tubes sufficient for analyzing up to 96 samples by matrix assisted laser desorption ionization.

Iodoacetic Acid (IAA) can react with several protein functional groups but is typically used for specific S-carboxymethylation of sulfhydryls (reduced cysteines).

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.

Highlights:
  • 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
TRUSTED_SUSTAINABILITY

Specifica

Chemical Reactivity Sulfidrile
Descrizione Iodoacetamide, monouso
Formulazione Solido bianco di 2-iodoacetamide (IAM) in microprovette nere sigillate con foglio di alluminio (formato 3 x 8)
Peso molecolare 184.96
Sufficiente per 24 utilizzi separati per alchilazione prima della spettrometria di massa, ciascuno con un massimo di 75 campioni di proteine
Quantità 24 x 9.3 mg
Titolo del prodotto
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