Drug discovery > Target Discovery Products & Reviews

The CellTox™ Green Cytotoxicity Assay measures changes in membrane integrity that occur as a result of cell death. The assay is intended to assess cytotoxicity in cell culture after experimental manipulation. The assay system uses a proprietry asymmetric cyanine dye that is excluded from viable cells but preferentially stains the DNA from dead cells. When the dye binds DNA released from cells, its fluorescence properties are s…

Magne™ Protein G and Magne™ Protein A Beads are magnetic affinity beads with high specificity and high capacity for purification of immunoglobulins from cell culture media, ascites and serum samples.   These paramagnetic beads are composed of iron encapsulated in macroporous cellulose with low nonspecific binding. The magnetic beads use a novel attachment chemistry to immobilize recombinant Protein G or Protein A protein…

The MethylEdge™ System provides an efficient method to rapidly perform bisulfite conversion with minimal DNA fragmentation, giving you more intact, converted DNA for downstream applications.   Start with as little as 100pg of input DNA for those precious, limited samples. Use the MethylEdge™ System with other DNA Methylation Workflow reagents to perform sensitive DNA methylation analysis on many sample types. The rapi…

The ROS-Glo™ H2O2 Assay is a homogeneous, fast and sensitive bioluminescent assay that measures the level of hydrogen peroxide (H2O2), a reactive oxygen species (ROS), directly in cell culture or in defined enzyme reactions.   This assay allows identification of conditions or test compounds, such as small molecule inhibitors or inducers, that alter ROS levels. The scalable multiwell format couples a stable luminescent si…

The QuantiFluor® dsDNA System contains a fluorescent DNA-binding dye that enables sensitive quantitation of small amounts of double-stranded DNA (dsDNA) in solution.   The quantitation of dsDNA is a very important step in many biological applications, particularly in standard molecular biology techniques. The dye shows minimal binding to single stranded DNA (ssDNA) and RNA, allowing specific quantitation of dsDNA. The…

The AttoPhos® AP Fluorescent Substrate System provides a highly sensitive fluorescent alkaline phosphatase substrate.   The system includes AttoPhos® Substrate, AttoPhos® Buffer and Calibration Solution. AttoPhos® Substrate (2′-[2-benzothiazoyl]-6′-hydroxybenzothiazole phosphate [BBTP]) is cleaved by alkaline phosphatase to produce inorganic phosphate (Pi) and the alcohol, 2′-[2-benzothiazoyl]-6´-hydroxybenzothiazole (BB…

Polyclonal secondary antibodies raised in goat, rabbit or donkey, immunoaffinity-purified using corresponding immobilized antigens and conjugated to horseradish peroxidase (HRP) enzyme.   The Anti-Human IgG (H+L), HRP Conjugate, Anti-Mouse IgG (H+L), HRP Conjugate and Anti-Rabbit IgG (H+L), HRP Conjugate antibodies bind to both heavy and light chains for all IgG subclasses. As with all antibodies, in certain applications…

The MagneHis™ Protein Purification System provides a simple, rapid and reliable method for the purification of polyhistidine- or HQ-tagged, expressed proteins.   Paramagnetic precharged nickel particles (MagneHis™ Ni-Particles) are used to isolate polyhistidine- or HQ-tagged protein directly from a crude cell lysate using either a manual (requires use of a magnetic stand) or automated procedure. Using a tube format,…

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 subject to autolysis, generating pseudotrypsin, which exhibits a broadened specificity including a chymotrypsin-like activity. Such autolysis products, present in a trypsin preparation, would result in addition…

The Kazusa ORFeome Project was initiated to create a collection of human and mouse ORFs to enable the larger research community with a readily accessible, highly validated ORFeome. Kazusa DNA Research Institute (KDRI) is an academic Japanese research institute dedicated to genome-scale studies and the function of individual genes. KDRI is an active member of the global ORFeome Collaboration, and are experts in HUGE (Human Uni…

The Single Step (KRX) Competent Cells are designed for efficient transformation and tightly controlled protein expression.   These cells consolidate the best attributes of these two steps into one strain to evaluate protein expression in E. coli. Transformation efficiencies are greater than 108 cfu/μg, similar to other highly competent cells. The single step cells are available in single transformation size (50μl). KRX a…

For standard cloning experiments competent cells are available in two formats: high efficiency at greater than 108cfu/μg for cloning (JM109, HB101), and subcloning efficiency at greater than 107cfu/μg (HB101). JM109 cells have the additional feature of blue/white screening for recombinants. For protein expression, JM109(DE3), BL21(DE3) or KRX competent cells can be used. The Single Step (KRX) Competent Cells are designed fo…

Recombinant RNasin® Ribonuclease Inhibitor reliably protects your RNA samples from RNase degradation.   RNases are ubiquitous and degradation can cause significant damage to RNA, hindering downstream reactions. Protect your sample with the most robust inhibitor available-- Recombinant RNasin® Ribonuclease Inhibitor. Recombinant RNasin Ribonuclease Inhibitor Features & Benefits:   Inhibits a broad spectrum o…

The LigaFast™ Rapid DNA Ligation System is designed for the efficient ligation of sticky-ended DNA inserts into plasmid vectors in just 5 minutes (blunt-ended inserts in as little as 15 minutes).   Rapid ligation is based on the combination of T4 DNA Ligase with a unique 2X Rapid Ligation Buffer to speed up and streamline your cloning experiments. The LigaFast™ System is designed to eliminate any further purification pri…

Promega has partnered with ATCC to offer unparalleled STR testing service for human cell line authentication.   This service provides easy access to proven and comprehensive validation techniques. Promega's proprietary PowerPlex® and GenePrint® STR technology coupled with ATCC's considerable experience profiling human cell lines and extensive internal assets around STR profiling data interpretation is particularly r…

QuantiFluor® ONE system maximizes sensitivity and efficiency for dsDNA quantitation.   The QuantiFluor® ONE dsDNA System contains a fluorescent double-stranded DNA-binding dye (504nmEx/531nmEm) developed for use in an “add-and-read” format for dye and standard, making sample quantitation easy. This system enables sensitive quantitation of small amounts of double-stranded DNA (dsDNA). The QuantiFluor® ONE dsDNA Sy…

This ready-to-use multimode detection system includes: high-performance luminescence, fluorescence, UV-Visible absorbance, BRET and FRET, two-color filtered luminescence and kinetic measurement capabilities.   The GloMax® Discover System is a high-performance multimode detection instrument developed with Promega reagent chemistries to provide a simple means of detecting advanced chemistries. This instrument provides…

ADP-Glo™ Kinase Assay is a luminescent kinase assay that measures ADP formed from a kinase reaction; ADP is converted into ATP, which is converted into light by Ultra-Glo™ Luciferase.   The luminescent signal positively correlates with kinase activity. The assay is well suited for measuring the effects chemical compounds have on the activity of a broad range of purified kinases, making it ideal for both primary scre…

The Maxwell® Clinical Sample Concentrator (CSC) automated nucleic acid extraction system is designed for clinical laboratories needing to process multiple samples for critical downstream assays. This easy-to-use, cGMP-compliant system provides consistent, high-quality results with every run, allowing you to manage your workflow and gain efficiency. The purification methods use sample lysis and binding to paramagnetic par…

The QuantiFluor® ONE dsDNA Dye is a fluorescent double-stranded DNA-binding dye (504nmEx/531nmEm) prepared for an “add-and-read” format making sample quantitation easy. This dye enables sensitive quantitation of small amounts of double-stranded DNA (dsDNA).   The QuantiFluor® ONE dsDNA Dye is intended for use as a general purpose reagent in the US and is suitable for use by clinical laboratories as a component of la…

The CellTiter-Glo® 3D Cell Viability Assay is a homogeneous method to determine the number of viable cells in 3D cell culture based on quantitation of the ATP present, which is a marker for the presence of metabolically active cells.   This ready-to-use reagent is based on the original CellTiter-Glo® Luminescent Cell Viability Assay chemistry and eliminates the need to combine buffer with lyophilized substrate when prepa…

The mass spectrometry-compatible yeast and human protein extracts are designed specifically for mass spectrometry applications.   The extracts are predigested and cleaned up by solid-phase extraction for immediate use in liquid chromatography/mass spectrometry (LC/MS) analysis. Both the yeast and human extracts also are available in an intact undigested form to provide a test material for optimizing mass spec protei…

The GloMax® Explorer System is the newest member of the GloMax® System detection instruments. This multimode reader allows you to get up and running quickly, generating the data you need from your experiments. Simply unpack it, plug it in, and begin your experiments.

NanoLuc® Binary Technology (NanoBiT) is a two-subunit system based on NanoLuc® luciferase that can be applied to the intracellular detection of protein:protein interactions (PPIs) in live cells. The NanoBiT® system is composed of two small subunits, Large BiT (LgBiT; 18kDa) and Small BiT (SmBiT; 11 amino acid peptide), that are expressed as fusions to target proteins of interest. The LgBiT and SmBiT subunits have been independ…

The Lactate-Glo™ Assay is a bioluminescent assay for rapid, selective and sensitive detection of L-lactate in biological samples. Lactate is produced by glycolysis, a major metabolic pathway responsible for glucose homeostasis and energy production (1,2). Once considered merely a byproduct of glycolysis, lactate is now considered an important regulatory molecule of intermediate metabolism involved in cancer development, diabet…