León G, Ruiz N, Meza L, Krauskopf M
Experientia. 1977 Aug 15;33(8):1029-30. doi: 10.1007/BF01945950.
Highly purified E. coli tRNA1Val and tRNA1Ala have been isolated, based on the properties of heteroaminoacylated tRNAs and their behaviour on BD-cellulose chromatography.