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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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Search Within Results
Keyword Search:
106 – 120 of 5,531 results
106

Thermo Scientific Chemicals Pepsin from Porcine Stomach

Derived from Porcine stomach

CAS 9001-75-6
Product Type Pepsin
Synonym EC 3.4.23.1,Pepsin A
107

Thermo Scientific Chemicals Trypsin, bovine pancreas

CAS: 7-7-9002 Molecular Formula: C35H47N7O10 Synonym: EC 3.4.21.4; Peptidyl peptide hydrolase

CAS 7-7-9002
Synonym EC 3.4.21.4; Peptidyl peptide hydrolase
Molecular Formula C35H47N7O10
108

MilliporeSigma™ Calbiochem™ Sialyl Lewis x, Sodium Salt

Acts as minimal binding lig for E-selectins.

Content And Storage -20°C
109

MilliporeSigma™ Calbiochem TCEP, Neutral
GSA_VA

Ready-to-use stable, neutral form of popular disulfide-reducing agent TCEP, Hydrochloride

110

MilliporeSigma™ Calbiochem™ Reagent Grade TCEP, Hydrochloride Reducing Agent

Water-soluble and odorless disulfide-reducing agent that is more stable and effective than DTT

111

MilliporeSigma™ Proteinase K Solution, 600mAU/mL

Efficient removal of proteins from nucleic acid solutions

Content And Storage -20°C
Product Type Proteinase K
112

Thermo Scientific™ MA(PEG)8 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.

Content And Storage Upon receipt store product at -20°C protected from moisture. Product is shipped at ambient temperature.
Product Type Amine Compound
Form Solid
Spacer 8 ethylene glycol units
Solubility Water
Reactive Moiety Amine, Primary Amine
Label Type Polyethylene Glycol (PEG), Blocking Groups
Chemical Reactivity Aldehyde
113

Thermo Scientific™ MA(PEG)4 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.

Content And Storage Upon receipt store product at -20°C protected from moisture. Product is shipped at ambient temperature.
Product Type Amine Compound
Form Liquid
Spacer 4 ethylene glycol units
Solubility Water
Reactive Moiety Amine, Primary Amine
Label Type Polyethylene Glycol (PEG), Blocking Groups
Chemical Reactivity Ketone
114

Thermo Scientific™ MS(PEG)24 Methyl-PEG-NHS-Ester Reagent

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).

116

Thermo Scientific™ Pierce™ Iodoacetic Acid

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

117

Thermo Scientific™ Pierce™ MMTS (methyl methanethiosulfonate)

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

118

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.

119

Thermo Scientific™ Pierce™ SAT(PEG)4 (PEGylated N-succinimidyl S-acetylthioacetate)

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

120

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.