Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
In vivo amber suppression activities of MJR1 and PYLY1. The cell suspensions of two E. coli clones transformed with each of the indicated variant genes were diluted successively (from top to bottom) and grown on the rich medium plates containing Cm at the indicated final concentrations with or without the supplementation of 3-iodotyrosine (IY).
