An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
A Longo P, Kavran JM, Kim MS, Leahy DJ.A Longo P, et al. Among authors: leahy dj.Methods Enzymol. 2013;529:209-26. doi: 10.1016/B978-0-12-418687-3.00017-3.Methods Enzymol. 2013.PMID: 24011048Free PMC article.