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Large Plasmid Mini Kit

DNA Extraction/Plasmid DNA Purification

The Large Plasmid DNA Extraction Kit was designed for plasmid and cosmid DNA purification from 1-4 ml of cultured bacterial cells. This plasmid kit is optimized for extracting 10-50 kb plasmid DNA using a miniprep spin column system. The Large Plasmid DNA Extraction Kit uses a modified alkaline lysis method and RNase treatment to obtain clear cell lysate with minimal genomic DNA and RNA contaminants. In the presence of chaotropic salt, plasmid DNA in the lysate binds to the glass fiber matrix of the plasmid spin column. Contaminants are removed with a Wash Buffer (containing ethanol) and the purified plasmid DNA is eluted by a low salt Elution Buffer or TE. Typical yields are 20-30 μg for high-copy number plasmid or 3-10 μg for low-copy number plasmid from 4 ml of cultured bacterial cells. DNA phenol extraction or alcohol precipitation is not required and the entire procedure can be completed within 15 minutes. The purified plasmid DNA is ready for use in Restriction Enzyme Digestion, Ligation, PCR, and sequencing reactions.

Specifications (Cat. # PDL100, PDL300)

  • Purify 10-50 kb plasmid DNA within 15 minutes!
  • High Yield: up to 30 μg of plasmid DNA or cosmid DNA
  • Sample: 1-4 ml of bacterial cells (10-50 kb plasmid)
  • Spin Columns: glass fiber membrane optimized for large plasmid DNA purification
  • Elution Volume: 50-100 µl
  • Storage: dry at room temperature (15-25ºC)

Restriction Enzyme Digestion, Library Screening, Ligation, PCR, Transformation and Sequencing Reactions


  • PDL1, PDL2, PDL3 Buffers
  • WL1 Buffer
  • Wash Buffer
  • Elution Buffer (10 mM Tris-HCl, pH8.5 at 25°C)
  • RNase A
  • LP Columns
  • 2 ml Collection Tubes

Quality Control

The quality of the Large Plasmid DNA Extraction Kit is tested on a lot-to-lot basis according to Geneaid’s ISO-certified quality management system. 5 µl aliquots of a 100 µl eluate of purified super coiled plasmid DNA from a 4 ml overnight E. coli (DH5α) culture, containing a 17.4 kb low copy plasmid (OD600 = 3.5 U/ml) are analyzed by electrophoresis on a 0.8% agarose gel.

Specifications Presto™ Endotoxin Free Mini Plasmid Kit Presto™ Mini Plasmid Kit High-Speed Plasmid Mini Kit Large Plasmid DNA Extraction KIt Presto™ 96 Well Plasmid Kit
Cat. # PEH100 PDH100
Format Spin Column Spin Column Spin Column Spin Column 96 Well Plate
Binding Capacity 40 µg 50 µg 30 µg 30 µg 35 µg
Culture Input 1-5 ml 1-7 ml 1-5 ml 1-4 ml 1-5 ml
Plasmid Size 1-15 kb 1-15 kb 1-15 kb 10-50 kb 1-15 kb
Typical Yield up to 40 µg up to 50 µg 10-30 µg 10-25 µg 25-35 µg/well
Elution Volume 30-100 µl 30-100 µl 30-100 µl 50-100 µl 100 µl
Operation Time <60 minutes <15 minutes <15 minutes <15 minutes 25 minutes
Product NameRXNS/VOLUMECatalogue Number
Presto™ Endotoxin Free Mini Plasmid Kit100PEH100
Presto™ Mini Plasmid Kit100, 300PDH100/300
High-Speed Plasmid Mini Kit100, 300PD100/300
Large Plasmid DNA Extraction Kit100, 300PDL100/300
Midiprep Spin Column Plasmid Kit25PA025
Presto™ Midi Plasmid Kit25PIF025
Presto™ Midi Plasmid Kit (Endotoxin Free)25PIFE25
Geneaid™ Midi Plasmid Kit25PI025
Geneaid™ Midi Plasmid Kit (Endotoxin Free)25PIE25
Presto™ Plasmid DNA Concentration Kit25, 50, 100PC0250/500/1000
Geneaid™ Maxi Plasmid Kit10, 25PM010/25
Geneaid™ Maxi Plasmid Kit (Endotoxin Free)10, 25PME10/25
Presto™ 96 Well Plasmid Kit4 x 96, 10 x 9696PDC04/10