Journal of Biological Chemistry 266(27), 18018–18024 (1991), DOI 10.1016/S0021-9258(18)55231-5. Indexed byline U. Varshney, C. P. Lee, B. L. Seong, U. L. RajBhandary. Original first-page byline reads Umesh Varshney, Chan Ping Lee, Baik L. Seong and Uttam L. RajBhandary in the indexed original PDF citeseerx.ist.psu.edu/document?doi=c871e93e20447352f0f2e44bfca24f5146d4821a&repid=rep1&type=pdf . Abstract: acceptor-stem and anticodon variants, amber suppression, and one mutant acting at upstream and downstream UAG codons. Full PDF fetch returned cache miss; original indexed first page and primary indexed abstract verified.