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.
Schiefner A, Chatwell L, Breustedt DA, Skerra A.Schiefner A, et al. Among authors: breustedt da.Acta Crystallogr D Biol Crystallogr. 2010 Dec;66(Pt 12):1308-15. doi: 10.1107/S0907444910039375. Epub 2010 Nov 16.Acta Crystallogr D Biol Crystallogr. 2010.PMID: 21123871