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Table 5 The efficiency of UAA-readthrough of sup45-n mutations depends on the base following stop codon

From: Viable nonsense mutants for the essential gene SUP45 of Saccharomyces cerevisiae

SUP45 allele Termination tetranucleotide Level of eRF1 (% from wild type) Natural occurrence in highly expressed genes (%) [45]
sup45-102 UAAG 8 35.9
sup45-104 UAAU 13 16.7
sup45-105 UAAU 14 16.7
sup45-101 UAAC 32 1.3