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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 5,669 results
62

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™ β-Lactamase, Bacillus cereus 569/H9

Useful for assaying penicillins and cephalosporins

64

MilliporeSigma™ Novagen™ Overnight Express™ Autoinduction System 2

Used for expression of proteins in multiple cultures.

Content And Storage Multiple storage requirements
65

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
66

MilliporeSigma™ Calbiochem™ SPUTOLYSIN™ Reagent

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

69

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
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

Thermo Scientific™ Trypsin, TPCK Treated

Thermo Scientific Pierce TPCK Trypsin is a serine endoprotease that is applicable to amino acid analysis and protein sequencing, mapping and structural studies; the immobilized form allows sample separation after treatment.

72

Thermo Scientific™ Pierce™ Immobilized Reductant Column, 2 mL

Efficiently reduce protein or peptide disulfide bonds with this reusable column on with an immobilized thiol-based reducing agent for solid-phase disulfide bond reduction.

73

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
74

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
75

MilliporeSigma™ Calbiochem™ Coenzyme A, Trilithium Salt

Serves as cofactor in enzymatic acetyl transfer reactions