Reagenzien für die Proteinmodifikation

Thermo Scientific™ Pierce™ Carboxy-PEG-Amine Compounds

CA(PEG)n: pegylated amino acids of the form carboxy-PEG-amine; with 4 to 24 polyethylene glycol units; for surface- and molecule-pegylation applications. CA(PEG)4, 100 mg , 100 mg

Thermo Scientific™ Pierce™ Methyl-PEG-NHS-Ester-Reagenzien

Pegylate amines (-NH2 groups) on proteins (lysine residues) or assay surfaces using MS(PEG)n, amine-reactive (NHS ester), methyl-capped PEG compounds (4 to 24 EG units). MS(PEG)24 100MG

Thermo Scientific™ Pierce™ DTT (Dithiothreitol)

Reduce disulfides in biological buffers and sample loading buffers with pure, crystalline dithiothreitol (DTT), the most popular protein disulfide reducing agent. X48 NO-WEIGH DTT

Thermo Scientific™ Pierce™ Factor Xa

Protease (serine endopeptidase for prothrombin); cleaves arginine in the sequence Ile-Glu-Gly-Arg; useful for His-tagged fusion protein engineering. FACTOR XA(BOVINE)50µG

Thermo Scientific™ Pierce™ AEDP Crosslinker

Crosslink amines to carboxyls with this spacer containing an internal disulfide bond; use EDC to modify functional groups on proteins and surfaces. AEDP 50MG

Thermo Scientific™ Pierce™ Carboxy-PEG-Lipoamide Compounds

CL(PEG)n: carboxylic acid and bidentate thiol compound with a 4-unit polyethylene glycol (PEG) spacer; carboxylate and pegylate quantum dots, gold surfaces, silver. CL(PEG)12, 100MG

Thermo Scientific™ Pierce™ SATA

Short (2.8A), amine-reactive (NHS ester) sulfhydryl-addition reagent; creates stable (protected yet exposable) -SH group for protein crosslinking strategies. SATA, 50 mg

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). 2-MERCAPTOETHANOL 10ML

Thermo Scientific™ Pierce™ Iodessigsäure

Get rapid carboxymethylation of reduced cysteine residues with Thermo Scientific™ Pierce™ Iodoacetic Acid and Iodoacetamide. IODOACETAMIDE, SINGLE-USE

Thermo Scientific™ WELQut Protease

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

Thermo Scientific™ Pierce™ Citraconic Anhydride

Reversibly cap lysines and other primary amines with carboxyl groups using this amine-reactive compound; stable at pH 7 but hydrolyzes (decouples) at pH 3 to 4 (CAS 616-02-4). CITRACONIC ANHYDRIDE 100GM

Thermo Scientific™ Pierce™ Sulfhydryl Addition Kit

Modify protein primary amines to create free sulfhydryl groups for labeling, crosslinking or immobilization techniques; complete kit with SATA reagent and hydroxylamine. Sulfhydryl Addition kit

Thermo Scientific™ Pierce™ Staphylococcus aureus V-8 Protease and Kt

Specifically cleave only at glutamic acid residues or cleave at both glutamic and aspartic residues with our immobilized Staphylococcus aureus V-8 protease kit. Immobilized V-8 Protease-Kit

Thermo Scientific™ Pierce™ immobilisiertes Pepsin

Generate and purify Fab and F(ab')2 fragments from antibodies with acidic endopeptidase (pepsin) immobilized onto beaded agarose resin. Immobilized Pepsin - Agarose, 5 mL

Thermo Scientific™ Pierce™ Proteasen für Massenspektrometer

Improve sequence coverage and protein identification for mass spectrometry using these individual, highly specific proteases in custom combinations. GLU-C 50µG

DTT, 1M

DTT, 1M 1M DDT (Dithiothreitol), 1 ml

Thermo Scientific™ Pierce™ Methyl-PEG-Amine Compounds

MA(PEG)n: methyl- and amine-capped polyethylene glycol compounds containing 4 to 24 PEG units; use for surface-modification and molecule-pegylation applications. MA(PEG)24,1 g, 1g

Thermo Scientific™ Pierce™ TCEP·HCl

Reduce protein and peptide disulfide bonds using this thiol-free, pure, crystalline tris (2-carboxyethyl) phosphine hydrochloride, TCEP (CAS 5961-85-3). TCEP·HCL 10GM

Thermo Scientific™ Pierce™ immobilisiertes TCEP-Disulfid-Verringerungsgel

Efficiently reduce protein or peptide disulfide bonds with this stable, odorless, beaded agarose resin on which Tris (2-carboxyethyl) phosphine is immobilized. Immobilized TCEP Disulfide Reducing Gel 5 mL

Thermo Scientific™ Pierce™ 8M Guanidine·HCl-Lösung

Ready-to-use, 8M solution of guanidinium hydrochloride (GdnCl, GuHCl), CAS 50-01-1; dilute and pH-adjust to any concentration for protein biology methods. 8M Guanidine-HCl, 200 ml

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. 10GR PREMIUM GRADE TCEP

Thermo Scientific™ Pierce™ TFCS

Modify proteins by adding a 7-atom spacer arm with this amine-reactive (NHS ester) compound; the terminal trifluoroacetyl group can be removed to expose a new primary amine. TFCS 50MG

Thermo Scientific™ Pierce™ Carboxypeptidase Y and Resin

Cleave (release) terminal amino acids including proline from the C-terminus of peptides using this protease; its immobilized form allows enzyme removal after treatment. IMMOB CARBOXYPEPTIDASE Y 2ML

Thermo Scientific™ Pierce™ Traut' s Reagenz

2-Iminothiolane-HCl (CAS 4781-83-3); an amine-reactive thiolation reagent to cap protein primary amines with sulfhydryl groups for immediate crosslinking. 2-Iminothiolane-HCl (Traut's Reagent) 500 mg

Thermo Scientific™ Pierce™ Guanidine·HCl

Pure, crystalline guanidium hydrochloride (GdnHCl, GuHCl), CAS 50-01-1; denaturant for protein biology methods (elution, solubilization, refolding, storage). GUANIDINE-HCL 500GM

Thermo Scientific™ Pierce™ SAT(PEG)4

Long (18.2A), pegylated form of SATA, an amine-reactive (NHS ester) sulfhydryl-addition reagent; contains 4-unit polyethylene glycol spacer arm. PEO4-SATA, 100 mg

Thermo Scientific™ Pierce™ EMCA

Permanently cap protein or peptide cysteines with carboxyl groups (make caproic acid derivatives) using this sulfhydryl-reactive (maleimide) compound. EMCA, 1 gm

Thermo Scientific™ Pierce™ MMTS

Methyl methanethiosulfonate (CAS 2949-92-0); reversibly blocks cysteines (sulfhydryl groups) to facilitate study of enzyme activation and protein functions. MMTS 200MG

Thermo Scientific™ Pierce™ Methyl-PEG-Thiol Compounds

MT(PEG)n: methyl and sulfhydryl compound with a 4-unit polyethylene glycol (PEG) spacer; methylate and pegylate quantum dots, gold surfaces, silver. MT(PEG), 100MG

Thermo Scientific™ Pierce™ Methyl-PEG-Maleimide Reagents

Pegylate sulfhydryls (-SH groups) on proteins (cysteine residues) or assay surfaces using MS(PEG); sulfhydryl-reactive (maleimide), PEG compounds (12 and 24 EG units). MM(PEG)12, 1 g, 1 g

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