Nucleic Acids Research, 1978, Vol. 5, No. 10 3491-3502
© 1978
Articles |
Patterns of codon recognition by isoacceptor aminoacyl-tRNAs from wheat germ
Nucleic Acids Section, Chemistry Branch, National Cancer Institute, National Institutes of Health Bethesda, MD 20014, USA
Received August 3, 1978. Isoacceptors of Ala-, Arg-, Glu-, Gln-, Ile-, Leu-, Lys-, Ser-, Thr-and Val-tRNAs from wheat germ have been resolved by reverse phase chromatography. Codon recognition properties have been determined on isolated fractions of each of these aa-tRNAs and codon assignments have been made to a number of isoacceptors. Evolutionary changes which have occurred in patterns of codon recognition by isoacceptor aa-tRNAs in wheat germ and other organisms are discussed.