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The evolutionary relationships of ribosomal proteins from eubacteria, archaea, eukaryotes, chloroplasts and mitochondria
were examined by their degree of conservation, their structural and functional properties and by the occurrence of conserved
structural elements. The structural domains formed by the different protein families were studied. The occurrence of monophyletic
groups was investigated for each protein family within the archaea. Phylogenetic trees were constructed between these organisms
and together with the homologous sequences of the other phylogenetic domains. All organisms belonging to the archaea clearly
formed a monophyletic group. The conserved sequence motifs were checked for the potential to form similar secondary structural
elements.
Received 24 October 1996; accepted 30 October 1996 相似文献
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