Appearance (Form)
Liquid
Appearance (Colour)
Colourless
Appearance (Clarity)
Clear
A260/A280
1.80 - 2.00
Agarose gel electrophoresis
Predominantly supercoiled Plasmid DNA with no RNA
Description
pBR322, a 4361 bp long plasmid, was originally developed for cloning. This low copy number plasmid contains tetracycline and ampicillin resistance-conferring genes. pBR322 remains a popular teaching aid for demonstration of plasmid isolation, restriction digestion and cloning.
