S. aureus RNA Polymerase Assay Kit

SKU:BHT16300109
Overview
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Fluorescent S. aureus RNA Polymerase Assay Kit for measuring RNA synthesis on a DNA template and screening antibacterial RNA polymerase inhibitors. Signal is read at Ex 485 nm / Em 535 nm in 384-well or 96-well plates. Choose the Kit without enzyme or the Kit Plus with S. aureus RNA polymerase, 100 assays each.
Assay Target S. aureus RNA polymerase activity
Detection Method Fluorescence
Detection Wavelength Ex 485 nm / Em 535 nm
Plate Format 384-well or 96-well plate
Assay Time About 65 min
Options selector
Catalog no. Format
RPA-100KS Kit (enzyme not included)
RPA-100KSE Kit Plus (enzyme included)
Available Options

Select the variant that best fits your experiment. Availability and lead time may vary by option.

  • Options: Format: Kit (enzyme not included), Kit Plus (enzyme included)
  • Lead time: options listed in "Availability Content"; other statuses may take longer.
  • Storage: Please contact us to confirm storage conditions.
  • Shipping: Shipped frozen.
  • Upon receipt: store at recommended temperature as soon as possible.
  • Sales terms and conditions: Please review prior to ordering.
Field Specification
Organism S. aureus
Applications
  • Enzyme Activity
  • Compound Profiling
Assay type
  • Enzyme Activity Assay
  • Inhibitor Screening Assay
Assay target S. aureus RNA polymerase activity
Assay area Antibacterial Drug Discovery
Target type RNA Polymerase
Detection method
  • Fluorescence
Detection wavelength Ex 485 nm / Em 535 nm
Instrument required Fluorescence microplate reader
Plate format 384-well or 96-well plate
Assay time
  • About 65 min
Storage Please contact us to confirm storage conditions.
Shipping Shipped frozen.
Catalog no. (Mfr.) RPA-100KS | RPA-100KSE
Main SKU BHT16300109
Drug Target Assay Kit

Bacterial RNA polymerase makes the mRNA, tRNA and rRNA of the cell. The holoenzyme is built from several subunits, and blocking it is a route to new antibacterial compounds.

Kit vs Kit Plus

Both formats contain the same buffer, DNA template, NTPs and dye for 100 assays. The only difference is that the Kit Plus (RPA-100KSE) also includes 33 µl of 100 x S. aureus RNA polymerase.

Kit (enzyme not included), 100 assays (RPA-100KS) 100 assays
Kit Plus (enzyme included), 100 assays (RPA-100KSE) 100 assays

Kit Components

Component Kit (enzyme not included), 100 assays (RPA-100KS) Kit Plus (enzyme included), 100 assays (RPA-100KSE)
10 x Buffer 400 µl 400 µl
100 x DNA 33 µl 33 µl
100 x NTPs 33 µl 33 µl
10 x Fluorescence dye 350 µl 350 µl
100 x S. aureus RNA polymerase Not included 33 µl

The assay buffer is 42.5 mM HEPES, pH 7.5, 42.5 mM NH4Cl, 2 mM DTT, 4 mM MgCl2, 0.005% Tween-20; the final S. aureus RNA polymerase concentration in the assay is 20 nM.

Assay Principle

The RNA polymerase copies a DNA template into RNA using the NTP mix. A fluorescence dye that binds the newly made RNA is then added, and the signal at 535 nm (excitation 485 nm) rises with polymerase activity; inhibitors lower the signal.

Specifications

Assay Target S. aureus RNA polymerase activity
Target Type RNA Polymerase
Organism S. aureus
Assay Type Enzyme Activity Assay; Inhibitor Screening Assay
Detection Method Fluorescence
Detection Wavelength Ex 485 nm / Em 535 nm
Plate Format 384-well or 96-well plate
Instrument Required Fluorescence microplate reader
Assay Time About 65 min (60 min reaction + 5 min detection)
Size 100 assays
Storage Please contact us to confirm storage conditions.
Shipping Shipped frozen.

Protocol

The manufacturer's protocol describes the procedure and reaction volumes.

  • S. aureus RNA polymerase assay (PDF, see Documents): Covers catalog # RPA-100KS, RPA-100KSE.

Safety & Handling

For Research Use Only (RUO). Not for use in diagnostic or therapeutic procedures. The S. aureus RNA Polymerase Assay Kit is shipped frozen. Follow standard laboratory safety practices when handling the reagents. Please contact us to confirm storage conditions.
Q.What does this kit measure?
A.It measures S. aureus RNA polymerase activity by detecting the RNA made from a DNA template with a fluorescence dye. It is used for high-throughput screening of RNA polymerase inhibitors.
Q.What is the difference between the options?
A.Both formats contain the same buffer, DNA template, NTPs and dye for 100 assays. The only difference is that the Kit Plus (RPA-100KSE) also includes 33 µl of 100 x S. aureus RNA polymerase.
Q.Is a protocol available?
A.Yes. The manufacturer's protocol (S. aureus RNA polymerase assay, linked under Documents) covers catalog # RPA-100KS, RPA-100KSE.
Q.How long does the assay take?
A.About 65 min (60 min reaction + 5 min detection). See the protocol for the exact steps.
Q.How should the kit be stored?
A.The S. aureus RNA Polymerase Assay Kit is shipped frozen. Please contact us for long-term storage conditions.

Can’t find the exact format you need? We can help you source or customize this S. aureus RNA polymerase activity assay — including larger pack sizes, bulk reagents, bulk enzyme, or a protocol adapted to your samples. Click Talk to a Scientist, email support@biohippo.com, or explore our Research Services. Our team will be in touch shortly.

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