BellBrook Labs offers informational application notes for our various Transcreener products. These notes provide a protocol and experimental sample for the use of the respective Transcreener assay to measure enzyme activity, screen compound libraries, profile inhibitors, measure residence time, and more!

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Application Notes: Transcreener ADP2 Assay

Determination of Drug-Kinase Residence Time with the Transcreener ADP² Assay
Kinase Inhibitor Residence Time App Note

This Application Note provides a protocol and experimental example for the use of the Transcreener® ADP² FP Assay to determine the residence time of a drug (or drug candidate) during its interaction with a kinase.

Simplified Protocol to Streamline Inhibitor Profiling with the Transcreener ADP² Assay
ADP Assay Inhibitor Profiling Application Note

This Application Note describes how to streamline the process of inhibitor profiling with the Transcreener ADP² FP Assay by eliminating the need to experimentally optimize the ADP² Antibody concentration and the need for a standard curve.

Determination of KM for ATP & Kemptide with Protein Kinase A using Transcreener ADP² Assay
ADP Assay Determination of Km Note Preview

This Application Note provides a protocol and example on how to use the Transcreener® ADP² FP Assay to experimentally determine the KM value of Kemptide and ATP with Protein Kinase A (PKA) Enzyme.

Running Kinase Assays in Kinetic (Continuous) Mode with the Transcreener ADP² Assay
App Note Running Kinases in Kinetic Mode

This Application Note describes running Transcreener’s ADP² Assay in kinetic mode. This method reduces the number of experiments required to optimize conditions for a new enzyme. Running assays in real-time save on the cost of reagents and provides a check on assay linearity.

Detection of ADK Activity with the Transcreener ADP² Kinase Assay
Adenosine Kinase Application Note

This Application Note describes methods for using the Transcreener ADP² Kinase Assay to measure ADK enzymatic activity in a high throughput (384-well) format, e.g., for inhibitor screening and/or inhibitor dose-response measurements.

Detection of BTK Activity with Transcreener ADP² Kinase Assay
BTK Assay Application Note Preview

This Application Note describes methods for using the Transcreener ADP² Kinase Assay to measure BTK enzymatic activity in a high throughput (384-well) format, e.g., for inhibitor screening and/or inhibitor dose-response measurements.

Detection of MAPK1 Activity with Transcreener ADP² Kinase Assay
MAPK1 Application Note Preview

This Application Note describes methods for using the Transcreener ADP² Kinase Assay to measure MAPK1 enzymatic activity in a high throughput (384-well) format, e.g., for inhibitor screening and/or inhibitor dose-response measurements.

Detection of MAPK8 Activity with Transcreener ADP² Kinase Assay
MAPK8 Application Preview

This Application Note describes methods for using the Transcreener ADP² Kinase Assay to measure MAPK8 enzymatic activity in a high throughput (384-well) format, e.g., for inhibitor screening and/or inhibitor dose-response measurements.

Detection of PKR Activity with Transcreener ADP² Kinase Assay
PKR Application Note Preview

This Application Note describes methods for using the Transcreener ADP² Kinase Assay to measure PKR enzymatic activity in a high throughput (384-well) format, e.g., for inhibitor screening and/or inhibitor dose-response measurements.

Detection of RIPK1 Activity with Transcreener ADP² Kinase Assay
App Note Detection of RIPK1

This Application Note describes methods for using the Transcreener ADP² Kinase Assay to measure RIPK1 enzymatic activity in a high throughput (384-well) format, e.g., for inhibitor screening and/or inhibitor dose-response measurements.

Detection of RIPK2 Activity with Transcreener ADP² Kinase Assay
RIPK2 Activity Assay App Note Preview

This Application Note describes methods for using the Transcreener ADP² Kinase Assay to measure RIPK2 enzymatic activity in a high throughput (384-well) format, e.g., for inhibitor screening and/or inhibitor dose-response measurements.

Detection of TYK2 Activity with Transcreener ADP² Kinase Assay
TYK2 Assay Application Note Preview

This Application Note describes methods for using the Transcreener ADP² Kinase Assay to measure TYK2 enzymatic activity in a high throughput (384-well) format, e.g., for inhibitor screening and/or inhibitor dose-response measurements.

Detection of VPS4A Activity with Transcreener ADP² ATPase Assay
VPS4A Assay Application Note Preview

This Application Note describes methods for using the Transcreener ADP² ATPase Assay to measure VPS4a enzymatic activity in a high-throughput (384-well) format, e.g., for inhibitor screening and/or inhibitor dose-response measurements.

Detection of VPS4B Activity with Transcreener ADP² ATPase Assay
VPS4B Application Note Thumbnail

This Application Note describes methods for using the Transcreener ADP² ATPase Assay to measure VPS4b enzymatic activity in a high-throughput (384-well) format, e.g., for inhibitor screening and/or inhibitor dose-response measurements.

Detection of BLM Helicase ATPase Activity with Transcreener ADP² Assay
BLM Helicase Application Note Preview

This Application Note describes methods for using the Transcreener ADP² ATPase Assay to measure BLM Helicase enzymatic activity in a high-throughput (384-well) format, e.g., for inhibitor screening and/or inhibitor dose-response measurements.

Detection of PLK1 Activity with Transcreener ADP² Assay
PLK1 Assay Application Note v07072025

This Application Note describes methods for using the Transcreener ADP² Kinase Assay to measure PLK1 enzymatic activity in a high-throughput format, e.g., for inhibitor screening and/or inhibitor dose-response measurements.

Detection of SMARCAL1 Activity with Transcreener ADP² Assay
SMARCAL1 App Note Preview

This Application Note describes methods for using the Transcreener ADP² Assay to measure SMARCAL1 enzymatic activity in a high-throughput format, e.g., for inhibitor screening and/or inhibitor dose-response measurements.

Detection of IRE1a Kinase Activity with Transcreener ADP² Assay
IRE1a App Note Preview

This Application Note describes methods for using the Transcreener ADP² Kinase Assay to measure IRE1a enzymatic activity in a high-throughput (384-well) format, e.g., for inhibitor screening and/or inhibitor dose-response measurements.

Detection of NAMPT ATPase Activity with Transcreener ADP² Assay
NAMPT Assay Application Note Preview

This Application Note describes methods for using the Transcreener ADP² Assay to measure NAMPT enzymatic activity in a high-throughput (384-well) format, e.g., for inhibitor screening and/or inhibitor dose-response measurements.

Application Notes: Transcreener GDP Assay

Direct Detection of GAP Activity using the RGScreenTM Platform to Discover Small Molecule Inhibitors for RGS Proteins

This Application Note describes how the RGScreen platform uses proprietary G alpha protein variants with altered GTP hydrolysis & GDP dissociation rates that enable detection of RGS GAP activity using the Transcreener GDP Assay.

Application Notes: AptaFluor Methyltransferase Assay

Detection of METTL3/METTL14 Activity with the AptaFluor SAH Methyltransferase Assay
Preview METTL3-METTL14 Application Note

This application note describes methods for using the AptaFluor SAH Methyltransferase Assay to measure METTL3/METTL14 enzymatic activity in a high-throughput (384-well) format, e.g., for inhibitor screening and/or inhibitor dose-response measurements.

Detection of PRMT5 Activity with the AptaFluor SAH Methyltransferase Assay
PRMT5 Application Note Preview

This application note describes methods for using the AptaFluor SAH Methyltransferase Assay to measure PRMT5 enzymatic activity in a high-throughput (384-well) format, e.g., for inhibitor screening and/or inhibitor dose-response measurements.

Detection of MLL4 Activity with the AptaFluor SAH Methyltransferase Assay
MLL4 Application Note Preview

This application note describes methods for using the AptaFluor SAH Methyltransferase Assay to measure MLL4 enzymatic activity in a high-throughput (384-well) format, e.g., for inhibitor screening and/or inhibitor dose-response measurements.

Detection of NSP14 Activity with the AptaFluor SAH Methyltransferase Assay
NSP14 Application Note Preview

This application note describes methods for using the AptaFluor SAH Methyltransferase Assay to measure NSP14 enzymatic activity in a high-throughput (384-well) format, e.g., for inhibitor screening and/or inhibitor dose-response measurements.

Detection of NNMT Activity with the AptaFluor SAH Methyltransferase Assay
NNMT Application Note Preview

This application note describes methods for using the AptaFluor SAH Methyltransferase Assay to measure NNMT enzymatic activity in a high-throughput (384-well) format, e.g., for inhibitor screening and/or inhibitor dose-response measurements.

Application Notes: Transcreener EPIGEN Methyltransferase Assay

Inhibitor Dose Response Measurement with the EPIGEN Methyltransferase Assay Kit
EPIGEN Dose Response Measurement Application

This Application Note describes how to generate a dose response curve for an inhibitor using a Transcreener EPIGEN Assay kit. The general protocol shows how to set up an experiment to run dose response curves using Sinefungin as an example for HMT SET7/9 to determine the IC50 value.

Z’ Determination with the EPIGEN Methyltransferase Assay Kit
Z' Determination for Transcreener EPIGEN Assay

This Application Note describes how to determine Z’, the statistical parameter used to measure HTS quality, using a Transcreener EPIGEN Methyltransferase Assay kit. The general protocol shows how to set up an experiment to determine Z’ value, using HMT PRMT3 as an example.

Detection of HMT G9a with the Transcreener EPIGEN Methyltransferase Assay
App Note Detection of HMT G9a EPIGEN Assay

This Application Note will serve as a guide for using the Transcreener EPIGEN Methyltransferase Assay to detect the initial velocity enzyme activity of HMT G9a with an assay window suitable for inhibitor screening and dose response measurements.

Detection of HMT SET7/9 with the Transcreener EPIGEN Methyltransferase Assay
Detection of SET7 9 EPIGEN Assay

This Application Note will serve as a guide for using the Transcreener EPIGEN Methyltransferase Assay to detect the initial velocity enzyme activity of HMT SET7/9 with an assay window suitable for inhibitor screening and dose response measurements.

Detection of HMT SET8 with the Transcreener EPIGEN Methyltransferase Assay
Detection of SET8 EPIGEN Assay

This Application Note will serve as a guide for using the Transcreener EPIGEN Methyltransferase Assay to detect the initial velocity enzyme activity of HMT SET8 with an assay window suitable for inhibitor screening and dose response measurements.

Detection of HMT PRMT1 with the Transcreener EPIGEN Methyltransferase Assay
Detection of PRMT1 EPIGEN Assay

This Application Note will serve as a guide for using the Transcreener EPIGEN Methyltransferase Assay to detect the initial velocity enzyme activity of HMT PRMT1 with an assay window suitable for inhibitor screening and dose response measurements.

Detection of HMT PRMT3 with the Transcreener EPIGEN Methyltransferase Assay
Detection of PRMT3 EPIGEN Assay

This Application Note will serve as a guide for using the Transcreener EPIGEN Methyltransferase Assay to detect the initial velocity enzyme activity of HMT PRMT3 with an assay window suitable for inhibitor screening and dose-response measurements.

Application Notes: Transcreener dAMP Exonuclease Assay

Detection of WRN Exonuclease Activity with the Transcreener dAMP FP Assay
Preview of WRN Exonuclease Application Note

This application note describes methods for using the Transcreener dAMP FP Assay to measure WRN exonuclease enzymatic activity in a high throughput (384-well) format, e.g., for inhibitor screening and/or inhibitor dose-response measurements.

Detection of APE2 Exonuclease Activity with the Transcreener dAMP FP Assay
APE2 App Note Preview

This application note describes methods for using the Transcreener dAMP FP Assay to measure APE2 exonuclease enzymatic activity in a high throughput (384-well) format, e.g., for inhibitor screening and/or inhibitor dose-response measurements.

Application Notes: Transcreener ADPR Assay

Detection of SARM1 Activity with Transcreener ADPR FP Assay
SARM1 Application Note Preview

This application note describes methods for using the Transcreener ADPR FP Assay to measure SARM1 enzymatic activity in a high throughput (384-well) format, e.g., for inhibitor screening and/or inhibitor dose-response measurements.

Additional Application Notes

Settings to Validate BMG LABTECH CLARIOstar Plate Readers with Transcreener TR-FRET Assays
Application Note CLARIOstar Reader

This Application Note provides the optimal instrument parameters used to validate the BMG Labtech CLARIOstar Microplate Readers with Transcreener’s ADP2 TR-FRET Assay & Transcreener’s AMP2/GMP2 TR-FRET Assay.

Interpolating Data from a Standard Curve to Generate a Dose-Response Using GraphPad Prism
Preview of Data Analysis Application Note

This application note demonstrates how to analyze data utilizing GraphPad Prism software. It walks through the transformation, interpolation, and plotting of data generated during drug screening and inhibitor dose response profiling.

Optimization of the Transcreener ADP Assay in 1536-Well Plates
1536 App Note Thumbnail

This application note demonstrates how to use the Transcreener Assay in 1536-well formats. It discusses scaling to miniturized formats and plate reader settings necessary to achieve assay success.

Screening and Profiling Enzyme Activators Using Transcreener HTS Assays

This application note demonstrates how to use Transcreener Assays for uncovering activators while screening.

Application Notes: Transcreener AMP2/GMP2 Assay

Detection of ENPP3 Activity with Transcreener AMP²/GMP² Assay
ENPP3 Activity Assay Application Note Preview

This application note describes methods for using the Transcreener AMP²/GMP² FP Assay to measure ENPP3 enzymatic activity in a high throughput (384-well) format, e.g., for inhibitor screening and/or inhibitor dose-response measurements.

Detection of XRN1 Activity with Transcreener AMP²/GMP² Assay
XRN1 Application Note Preview

This application note describes methods for using the Transcreener AMP²/GMP² FP Assay to measure XRN1 enzymatic activity in a high-throughput (384-well) format, e.g., for inhibitor screening and/or inhibitor dose-response measurements.