S. aureus DNA Primase Assay Kit

SKU:BHT16300058
Overview
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S. aureus DNA Primase Assay Kit with a fluorescence readout (Ex 485 nm / Em 535 nm) for S. aureus DnaG activity and primase inhibitor screens. Runs in 96-well or 384-well plates. Sold as a Kit without enzyme or a Kit Plus that adds S. aureus primase.
Assay Target S. aureus DNA primase activity
Detection Method Fluorescence
Detection Wavelength Ex 485 nm / Em 535 nm
Plate Format 96-well or 384-well plate
Assay Time About 65 min
Options selector
Catalog no. Format
AGA100K Kit (enzyme not included)
AGA100KE 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 DNA primase activity
Assay area Antibacterial Drug Discovery
Target type DNA Primase
Detection method
  • Fluorescence
Detection wavelength Ex 485 nm / Em 535 nm
Instrument required Fluorescence microplate reader
Plate format 96-well or 384-well plate
Assay time
  • About 65 min
Storage Please contact us to confirm storage conditions.
Shipping Shipped frozen.
Catalog no. (Mfr.) AGA100K | AGA100KE
Main SKU BHT16300058
Drug Target Assay Kit

At the replication fork, DnaB helicase opens double-stranded DNA and bacterial DNA primase (DnaG) makes the RNA primers. Helicases strongly boost primase activity in gram-negative bacteria such as E. coli and H. influenzae, but not in gram-positive S. aureus and S. pneumoniae.

Kit vs Kit Plus

The only difference is the enzyme: AGA100K supplies the assay reagents without enzyme, while AGA100KE adds 45 µl of 100 x S. aureus primase. Both cover 100 assays in a 96-well plate or 200 assays in a 384-well plate.

Kit (enzyme not included), 100 assays (AGA100K) 100 assays (96-well) or 200 assays (384-well)
Kit Plus (enzyme included), 100 assays (AGA100KE) 100 assays (96-well) or 200 assays (384-well)

Kit Components

Component Kit (enzyme not included), 100 assays (AGA100K) Kit Plus (enzyme included), 100 assays (AGA100KE)
10 x Assay buffer 600 µl 600 µl
100 x DNA template 45 µl 45 µl
100 x NTP mix 45 µl 45 µl
10 x Fluorescence dye 850 µl 850 µl
100 x S. aureus primase Not included 45 µl

Assay solution: 10 mM MES pH 6.5, 5 mM magnesium acetate, 12.5 mM ammonium chloride, 0.5 mM DTT, 5 mM calcium chloride, 0.003% Brij-35, 100 nM DNA, 0.5 mM NTPs, 100 nM enzyme.

Assay Principle

The assay measures the RNA primers made by DNA primase from a DNA template and NTPs. After the reaction a fluorescence dye is added and the signal is read at 535 nm (excitation 485 nm).

Specifications

Assay Target S. aureus DNA primase activity
Target Type DNA Primase
Organism S. aureus
Assay Type Enzyme Activity Assay; Inhibitor Screening Assay
Detection Method Fluorescence
Detection Wavelength Ex 485 nm / Em 535 nm
Plate Format 96-well or 384-well plate
Instrument Required Fluorescence microplate reader
Assay Time About 65 min (60 min reaction + 5 min detection)
Reference Lacriola CJ et al., The Journal of Antibiotics 70, 918-920 (2017)
Size 100 assays (96-well) or 200 assays (384-well)
Storage Please contact us to confirm storage conditions.
Shipping Shipped frozen.

Protocol

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

  • S. aureus DNA Primase Assay (PDF, see Documents): Covers catalog # AGA100K, AGA100KE.

Safety & Handling

For Research Use Only (RUO). Not for use in diagnostic or therapeutic procedures. The S. aureus DNA Primase 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 the activity of S. aureus DNA primase by detecting the RNA primers it makes on a DNA template with a fluorescence dye. It is used for high-throughput screening of DNA primase inhibitors.
Q.What is the difference between the options?
A.The only difference is the enzyme: AGA100K supplies the assay reagents without enzyme, while AGA100KE adds 45 µl of 100 x S. aureus primase. Both cover 100 assays in a 96-well plate or 200 assays in a 384-well plate.
Q.Is a protocol available?
A.Yes. The manufacturer's protocol (S. aureus DNA Primase Assay, linked under Documents) covers catalog # AGA100K, AGA100KE.
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 DNA Primase 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 DNA primase 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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