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.
Wang SH, Yang TS, Lin SM, Tsai MS, Wu SC, Mao SJ.Wang SH, et al. Among authors: tsai ms.Protein Expr Purif. 2002 Jun;25(1):41-9. doi: 10.1006/prep.2001.1607.Protein Expr Purif. 2002.PMID: 12071697