Science Fair Project Encyclopedia
In molecular biology, DNA ligase is an enzyme that repairs broken DNA strands. DNA ligase (EC 184.108.40.206) is a particular type of enzyme that can form covalent phosphodiester bonds and ligate or connect (broken) DNA strands.
An example of how a ligase works (with sticky ends):
5'-AGTCTGATCTGACT GATGCGTATGCTAGTGCT-3' 3'-TCAGACTAGACTGACTACG CATACGATCACGA-5'
The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details