[Mutation ssF29 in the gene for E. coli ribosomal protein S1, suppressing a defect in transmembrane protein transport results from insertion of the IS10R element].
The nature of the ssyF29 mutation causing the synthesis of a truncated form of the ribosomal protein S1 and its location in the rpsA gene were determined. The ssyF mutation was found to result from insertion of the IS10(R) element which causes the termination of translation of the corresponding mRNA at the first insertion nucleotide and the production of the S1 protein which is truncated at the C-terminus and composed of 464 amino acid residues (instead of 557 residues in the wild-type protein). The mutant rpsA gene (ssyF) encodes no additional amino acid residues as compared with the wild-type rpsA gene.
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D001483:Base Sequence; D004251:DNA Transposable Elements; D004926:Escherichia coli / Q000235:genetics*; D008969:Molecular Sequence Data; D016254:Mutagenesis, Insertional; D012269:Ribosomal Proteins / Q000235:genetics*; D013489:Suppression, Genetic
D004251:DNA Transposable Elements; D012269:Ribosomal Proteins; C015494:ribosomal protein S1
Mutatsiia ssyF29 v gene ribosomnogo belka S1 E. coli, supressiruiushchaia defekt transporta belkov cherez membranu, obuslovlena vstraivaniem IS10R-élementa.