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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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91 – 105 of 2,844 results
92

MilliporeSigma™ Calbiochem™ Cleland’s Reagent, Molecular Biology Grade
GSA_VA

Protective agent for SH groups

Content And Storage 2°C to 8°C
CAS 3483-12-3
Product Type Calbiochem Cleland’s Reagent
Form Crystalline Solid
Molecular Weight (g/mol) 154.24
Solubility EtOH, Water
Purity ≥99% by titration
Synonym 1,4-Dithiothreitol, DTT
Molecular Formula C4H10O2S2
93

MilliporeSigma™ β-Lactamase, Bacillus cereus 569/H9

Useful for assaying penicillins and cephalosporins

94

MilliporeSigma™ Calbiochem™ Cleland’s Reagent, ULTROL™ Grade

Protective agent for SH groups

Content And Storage 2°C to 8°C
CAS 3483-12-3
Product Type Calbiochem Cleland’s Reagent
Form Solid
Molecular Weight (g/mol) 154.24
Solubility EtOH, Water
Purity ≥99% by titration
Synonym Dithiothreitol, DTT
Molecular Formula C4H10O2S2
95

MilliporeSigma™ Calbiochem™ Coenzyme A, Trilithium Salt

Serves as cofactor in enzymatic acetyl transfer reactions

96

Thermo Scientific™ Immobilized Papain (Agarose Resin)
GSA_VA

Generate and purify Fab fragments from antibodies with cysteine-endopeptidase papain immobilized onto beaded agarose resin.

97

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.

98

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
99

Invitrogen™ Protease QF

Protease QF, 180 μL, is an enzyme in aqueous buffered solution and an individual component of the ViewRNA™ ISH Tissue Assay Kits, 2-Plex, 24 assays.

ENCOMPASS_PREFERRED
100

MilliporeSigma™ Aminopeptidase N, Rat

Levels of aminopeptidase N are elevated in cancer subjects and correlate with tumor load, and thus, enzyme is believed to play role in angiogenesis

101

MilliporeSigma™ Calbiochem™ TPEN

Lipid-soluble heavy metal chelator that crosses artificial and natural membranes

102

MP Biomedicals™ Thrombin, Bovine

Thrombin, Bovine is the final coagulation protease in regard to hemostasis, promoting both procoagulant and anticoagulant effects.

104

MilliporeSigma™ Calbiochem™ SPUTOLYSIN™ Reagent

Intended for isolation of epithelial cells, pathogenic or saprophytic bacteria, fungi, and yeasts from sputum

105

MilliporeSigma™ Calbiochem™ BAPTA/AM

Can be loaded into wide variety of cells, where it is hydrolyzed by cytosolic esterases and is trapped intracellularly as the active chelator BAPTA

Membrane Permeable Y
Content And Storage -20°C
CAS 126150-97-8
Product Type Calbiochem BAPTA/AM
Form Solid
Solubility DMSO
Purity ≥90% by TLC
Synonym 1,2-bis(o-Aminophenoxy)ethane-N,N,Nʹ,Nʹ-tetraacetic Acid Tetra(acetoxymethyl) Ester