Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

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.

Https

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.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation
. 1978 Jan;133(1):437-8.
doi: 10.1128/jb.133.1.437-438.1978.

Position of the mutation in beta-galactosidase ochre mutant U118

I Zabin, A V Fowler, J R Beckwith

Position of the mutation in beta-galactosidase ochre mutant U118

I Zabin et al. J Bacteriol. 1978 Jan.

Abstract

The Escherichia coli lacZ ochre mutant strain U118 was converted to an amber mutant and suppressed with supF, which inserts tyrosine. Enzymatically active beta-galactosidase was isolated. It contained tyrosine at residue number 17 instead of glutamic acid as in wild type.

PubMed Disclaimer

References

    1. J Mol Biol. 1975 Apr 15;93(3):331-50 - PubMed
    1. J Mol Biol. 1976 Jul 5;104(3):541-55 - PubMed
    1. Nature. 1968 Mar 16;217(5133):1019-24 - PubMed
    1. Proc Natl Acad Sci U S A. 1977 Apr;74(4):1507-10 - PubMed
    1. Nature. 1974 Jun 7;249(457):561-3 - PubMed

Publication types

LinkOut - more resources