Digestion, Molecular Biology, Shotgun DNA Mapping pBR322 Digestion with EarI January 23, 2013 Anthony Leave a comment This is the DNA that we unzip. First we need to cut it and gel extract it since EarI cuts in two places on the plasmid. Share this:Click to email this to a friend (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on LinkedIn (Opens in new window)Like this:Like Loading...