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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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Keyword Search:
61 – 75 of 5,128 results
61

Thermo Scientific™ Guanidine-HCl

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

62

MilliporeSigma™ Calbiochem™ Cleland’s Reagent

Protective agent for SH groups

Content And Storage 2°C to 8°C
CAS 12-3-3483
Product Type Calbiochem Cleland’s Reagent
Form Powder
Molecular Weight (g/mol) 154.24
Solubility EtOH, Water
Purity ≥97% by titration
Synonym DTT, Dithiothreitol
Molecular Formula C4H10O2S2
63

MP Biomedicals™ Protease (S. Aureus) V.8

Protease (S. Aureus) V.8, also called endoproteinase Glu-C, Glu-C protease, staphylococcal serine proteinase. Widely used for protein sequencing, this enzyme specifically cleaves peptide bonds on the COOH terminal side of either aspartic or glutamic acids.

64

Invitrogen™ Proteinase K (50 μg/μL)

This Proteinase K is used in QuantiGene assays and is one of two components in the QuantiGene Sample Processing kits.

ENCOMPASS_PREFERRED
Shipping Condition Blue Ice
Content And Storage Store in freezer (-5°C to -30°C).
Product Type Proteinase K
Form Liquid
65

MilliporeSigma™ β-Lactamase, Bacillus cereus 569/H9

Useful for assaying penicillins and cephalosporins

67

MilliporeSigma™ Proteinase K, Lyophilized
GSA_VA

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

Content And Storage 2°C to 8°C
CAS 39450-01-6
Product Type Proteinase K
68

MP Biomedicals™ Trypsin, 2.5% (w/v) Solution

Porcine pancreas-derived enzyme commonly used for the dissociation and disaggregation of anchorage-dependent mammalian cells and tissues

70

MilliporeSigma™ Novagen™ Overnight Express™ Autoinduction System 1
GSA_VA

Induces protein expression without monitoring cell density.

Content And Storage 15°C to 30°C
71

MilliporeSigma™ Novagen™ Overnight Express™ Autoinduction System 2

Used for expression of proteins in multiple cultures.

Content And Storage Multiple storage requirements
72

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

Protective agent for SH groups

Content And Storage 2°C to 8°C
CAS 12-3-3483
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
73

MilliporeSigma™ Calbiochem™ DM-NITROPHEN™ Reagent, Tetrasodium Salt

Caged Ca2+ chelator that undergoes a major and rapid decrease in Ca2+-binding affinity upon photolysis

74

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
75

Thermo Scientific™ Pierce™ SATA (N-succinimidyl S-acetylthioacetate)

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