Protein Modification Reagents
Thermo Scientific™ Proteinase K Powder (≥30 U/mg)
Cleave at the carboxyl-side of aliphatic, aromatic or hydrophobic residues and digest-inactivate DNase and RNase in nucleic acid purification using this protease.
Invitrogen™ DTT, 1M
DTT, 1M
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.
Thermo Scientific™ Urea
Pure, crystalline urea (CH4N2O), CAS 57-13-6; denaturant with low UV-absorptivity for protein biology methods (elution, solubilization, refolding, storage).
MilliporeSigma™ Calbiochem™ SPUTOLYSIN™ Reagent
Intended for isolation of epithelial cells, pathogenic or saprophytic bacteria, fungi, and yeasts from sputum
Thermo Scientific™ Pierce™ Alkylating Reagents
Alkylating reagents provided in single-use, pre-weighed formats to streamline protein preparation workflows.
Invitrogen™ Thiol and Sulfide Quantitation Kit
Ultrasensitive colorimetric assay for quantifying both protein and nonprotein thiols
Thermo Scientific™ NeuCode™ Lysine-080
Increase the level of multiplexing achievable with NeuCode™ amino acids for the metabolic labeling of proteins for mass spectrometry analysis.
Thermo Scientific™ Pierce™ HRV 3C Protease Solution Kit (2 units/μL)
Remove fusion tags from proteins with the HRV 3C cleavage sequence with this recombinant cysteine protease that is dual tagged for easy removal from the sample after cleavage.
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.
MilliporeSigma™ ALCALASE™ Enzyme, Bacillus licheniformis
Suitable for hydrolysis of proteins
Invitrogen™ Tris-(2-Carboxyethyl)phosphine, Hydrochloride (TCEP)
Tris-(2-Carboxyethyl)phosphine, Hydrochloride (TCEP)
Invitrogen™ Dithiothreitol (DTT)
Dithiothreitol (DTT)
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.
Thermo Scientific™ MS(PEG)4 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).