Protein Modification Reagents

Chemical agents used to modify the amino acid side chains of proteins in order to alter their native charges, block or expose reactive binding sites, inactivate functional groups, and change functional groups to create targets for crosslinking and labeling.

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MilliporeSigma™ Proteinase K, Lyophilized

Highly active serine protease that exhibits broad cleavage specificity on native and denatured proteins and is widely used in the purification of DNA and RNA

Prix et disponibilité
Spécifications

CAS	39450-01-6
Type de produit	Proteinase K
Contenu et stockage	2°C to 8°C

Thermo Scientific Chemicals Papain, Carica Papaya Latex

CAS: 9001-73-4 Synonyme: EC 3.4.22.2

Prix et disponibilité
Spécifications

Synonyme	EC 3.4.22.2
CAS	9001-73-4

Thermo Scientific™ Pierce™ Immobilized TCEP Disulfide Reducing Gel

Efficiently reduce protein or peptide disulfide bonds with this stable, odorless, beaded agarose resin on which Tris (2-carboxyethyl) phosphine is immobilized.

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Thermo Scientific™ Bond-Breaker™ TCEP Solution, Neutral pH

Efficiently reduce protein disulfide bonds with this stable, odorless, 0.5M solution of TCEP reducing agent that is ideal for making reducing SDS-PAGE sample buffers.

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Thermo Scientific™ Pierce™ Alkylating Reagents

Alkylating reagents provided in single-use, pre-weighed formats to streamline protein preparation workflows.

Prix et disponibilité
Spécifications

Type de produit	Alkylating Reagent
Gamme de produits	Pierce™

Thermo Scientific™ DTNB (Ellman's Reagent) (5,5-dithio-bis-(2-nitrobenzoic acid)

Measure peptide cysteines or other free, reduced sulfhydryls (-SH groups) in solution using this thiol-reactive, colored compound (Amax 412nm).

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MilliporeSigma™ Chymotrypsin, Human Pancreas

Prepared from tissue of individuals that have been shown by certified tests to be negative for HBsAg and for antibodies to HIV and HCV

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MilliporeSigma™ Calbiochem™ Coenzyme A, Trilithium Salt

Serves as cofactor in enzymatic acetyl transfer reactions

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Thermo Scientific™ Pierce™ SATP (N-succinimidyl-S-acetylthiopropionate)

Short (4.1A), amine-reactive (NHS ester) sulfhydryl-addition reagent; creates stable (protected yet exposable) -SH group for protein crosslinking strategies.