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.
Strobel SA, Cech TR.Strobel SA, et al. Among authors: cech tr.Nat Struct Biol. 1994 Jan;1(1):13-7. doi: 10.1038/nsb0194-13.Nat Struct Biol. 1994.PMID: 7544680
Lei M, Podell ER, Cech TR.Lei M, et al. Among authors: cech tr.Nat Struct Mol Biol. 2004 Dec;11(12):1223-9. doi: 10.1038/nsmb867. Epub 2004 Nov 21.Nat Struct Mol Biol. 2004.PMID: 15558049
Jacobs SA, Podell ER, Cech TR.Jacobs SA, et al. Among authors: cech tr.Nat Struct Mol Biol. 2006 Mar;13(3):218-25. doi: 10.1038/nsmb1054. Epub 2006 Feb 5.Nat Struct Mol Biol. 2006.PMID: 16462747