A small novel chloroplast ribosomal protein (S31) that has no apparent counterpart in the E. coli ribosome
1993
Schmidt, J. | Srinivasa, B. | Weglohner, W. | Subramanian, A.R.
Higher plant chloroplast ribosomes contain several novel protein components whose homologues are not present in the eubacterial E. coli ribosome, indicating a complex evolution of the chloroplast translational apparatus following the endosymbiotic event. Here we describe the isolation and characterization of a new small protein from spinach chloroplast ribosome which has, based on the amino acid sequence and immunological data, no counterpart in the E. coli ribosome. We suggest a nomenclature suitable for this protein and other novel proteins in the chloroplast ribosome.
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