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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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61 – 75 of 5,531 results
61

MilliporeSigma™ Endoproteinase Lys-C, Sequencing Grade, Lysobacter enzymogenes

Designed for protein sequencing or sequence verification, analysis of protein structural domains, and cleavage of fusion proteins

63

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
64

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

65

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
66

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.

67

MilliporeSigma™ β-Lactamase, Bacillus cereus 569/H9

Useful for assaying penicillins and cephalosporins

68

MilliporeSigma™ Calbiochem™ Caffeic Acid

Reported to have anti-carcinogenic anti-inflammatory properties.

70

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
71

MilliporeSigma™ Novagen™ Overnight Express™ Autoinduction System 1
GSA_VA

Induces protein expression without monitoring cell density.

Content And Storage 15°C to 30°C
72

MilliporeSigma™ Calbiochem™ Coenzyme A, Trilithium Salt

Serves as cofactor in enzymatic acetyl transfer reactions

75

MilliporeSigma™ Calbiochem™ SPUTOLYSIN™ Reagent

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