A heptapeptide repeat contributes to the unusual length of chloroplast ribosomal protein S18. Nucleotide sequence and map position of the rpl33-rps18 gene cluster in maize.

@article{Wegloehner1991AHR,
  title={A heptapeptide repeat contributes to the unusual length of chloroplast ribosomal protein S18. Nucleotide sequence and map position of the rpl33-rps18 gene cluster in maize.},
  author={Wolfgang Wegloehner and Alap Raman Subramanian},
  journal={FEBS letters},
  year={1991},
  volume={279 2},
  pages={
          193-7
        }
}
The rpl33-rps18 gene cluster of the maize chloroplast genome has been mapped and sequenced. The derived amino acid sequence of the S18 protein shows a 7-fold repeat of a hydrophilic heptapeptide domain, S K Q P F R K, in the N-terminal region. Such a sequence is absent in the E. coli S18 and in the chloroplast S18 of the lower plant liverwort. In tobacco and rice chloroplast S18 it is present 2 and 6 times, respectively. Thus a long N-terminal repeat (resembling in composition the large C… CONTINUE READING
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