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.
Urieto JO, Liu T, Black JH, Cohen KA, Hall PD, Willingham MC, Pennell LK, Hogge DE, Kreitman RJ, Frankel AE.Urieto JO, et al. Among authors: willingham mc.Protein Expr Purif. 2004 Jan;33(1):123-33. doi: 10.1016/j.pep.2003.09.003.Protein Expr Purif. 2004.PMID: 14680969