Protein Crystallisation Reagents

The HRP is purified by repeated affinity chromatography of root extracts from horseradish. The result is an enzyme of high specific activity. Our horseradish peroxidase is purified in large scale by the use of benzhydroxamic acid aga... Read more...

The Steptavidin is produced by fermentation of S. avidinii in a minimal medium. The protein has a structure with four identical subunits, each containing a binding site for biotin. It is stable over a wide range of pH and decomposes ... Read more...

Trypsin/Lys-C Mix, Mass Spec Grade, is a mixture of Trypsin Gold, Mass Spectrometry Grade, and rLys-C, Mass Spec Grade. The Trypsin/Lys-C Mix is designed to improve digestion of proteins or protein mixtures in solution.   ... Read more...

The PCT Pre-Crystallization Test is used to determine the appropriate protein concentration for crystallization screening. Sample concentration is a significant crystallization variable. Samples too concentrated can result in amorphou... Read more...

Grid Screen Salt HT combines Grid Screen Ammonium Sulfate, Grid Screen Sodium Malonate, Quik Screen and Grid Screen Sodium Chloride into a single 96 Deep Well block format. The block contains 1 ml of each reagent. Features: ... Read more...

  Trypsin is a serine protease that specifically cleaves at the carboxylic side of lysine and arginine residues.   The stringent specificity of trypsin is essential for protein identification. Native trypsin is ... Read more...

The Crystal Screen and Crystal Screen 2 reagent kits are designed to provide a highly effective and rapid screening method for the crystallization of macromolecules. The screens are simple and practical for finding initial crystalliza... Read more...

SaltRx was developed by Hampton Research as a primary and secondary, salt and pH based crystallization screen for biological macromolecules. Salt is the only primary crystallization reagent (precipitant) utilized. Based on a design of... Read more...

Originally published in 1991 by Jancarik & Kim from conditions found to be successful in the crystallization of biological macromolecules. This classic standard sparse matrix screen lets you: Determine initial crystallization cond... Read more...

Index is designed as a 96 reagent crystallization screen that combines the strategies of the grid, sparse matrix, and incomplete factorial screening with traditional, contemporary, and new crystallization reagent systems into a highly eff... Read more...

PEG/Ion, developed by Hampton Research, is a crystallization screen designed to evaluate monodisperse, high purity Polyethylene glycol 3,350 and 48 unique salts representing a very complete range of anions and cations frequently used in t... Read more...

Individual reagents from the Grid Screen Ammonium Sulfate and Grid Screen Salt HT screens. Grid Screen Ammonium Sulfate Individual Reagents Features: 185 ml volume Sterile filtered Applications: Individual Grid S... Read more...

ProteaseMax™ Surfactant is a high-quality reagent for use in protein and peptide sample preparation.   ProteaseMax™ Surfactant solubilizes proteins and ensures fast and improved protein digestion with trypsin ... Read more...