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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Thermo Scientific™ WELQut Protease (5 U/μL)

Thermo Scientific™ WELQut Protease is a highly specific serine protease cleaving outside the WELQX recognition motif to remove N-terminal protein fusion tags.

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MilliporeSigma™ Calbiochem™ Troponin I, Human Heart

Purified from human heart.

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MilliporeSigma™ Calbiochem™ Coenzyme A, Trilithium Salt

Serves as cofactor in enzymatic acetyl transfer reactions

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Thermo Scientific™ Immobilized Pepsin (Agarose Resin)

Generate and purify Fab and F(ab')2 fragments from antibodies with acidic endopeptidase (pepsin) immobilized onto beaded agarose resin.

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Thermo Scientific™ Pierce™ 2-Mercaptoethanol

Pure, liquid (equals 14M), beta-mercaptoethanol (bME, 2BME, 2-ME, b-mer), CAS 60-24-2; thiol reducing agent for cleaving protein disulfide bonds (cystines cysteines).

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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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Thermo Scientific Chemicals Papain, Carica Papaya Latex

CAS: 9001-73-4 Synonyme: EC 3.4.22.2

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Spécifications

Synonyme	EC 3.4.22.2
CAS	9001-73-4

Thermo Scientific™ MA(PEG)24 Methyl-PEG-Amine Compound

MA(PEG)n: methyl- and amine-capped polyethylene glycol compounds containing 4 to 24 PEG units; use for surface-modification and molecule-pegylation applications.

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Invitrogen™ Dithiothreitol (DTT)

Dithiothreitol (DTT)

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Thermo Scientific™ Immobilized Ficin (Agarose Resin)

Enable controlled antibody fragmentation, especially of mouse IgG1, with this sulfhydryl-specific ficin protease immobilized onto beaded agarose resin.

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Thermo Scientific™ Pierce™ Premium Grade TCEP-HCl

Optimize applications where product integrity and risk minimization are paramount with our highest quality formulation of this disulfide reducing agent.

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Spécifications

Type de produit	Disulfide Reducing Reagent
Gamme de produits	Pierce
Contenu et stockage	Upon receipt store product at room temperature in sealed container to prevent oxidation. Product is shipped at ambient temperature.

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.