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.
Liu Y, Kuhlman B.Liu Y, et al.Nucleic Acids Res. 2006 Jul 1;34(Web Server issue):W235-8. doi: 10.1093/nar/gkl163.Nucleic Acids Res. 2006.PMID: 16845000Free PMC article.
Hu X, Wang H, Ke H, Kuhlman B.Hu X, et al.Proc Natl Acad Sci U S A. 2007 Nov 6;104(45):17668-73. doi: 10.1073/pnas.0707977104. Epub 2007 Oct 30.Proc Natl Acad Sci U S A. 2007.PMID: 17971437Free PMC article.