Über lamellare Strukturproteide aus Chloroplasten verschiedener Pflanzen

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Abstract
The amino acid composition of the lamellar structural proteins from chloroplasts of Antirrhinum majus strain 50, Spinacia oleracea, Allium porrum and Chlorella pyrenoidosa is quite similar. Specific differences in the amino acid composition of the structural proteins of the various species were demonstrated for single amino acids. Chlorella has a higher alanine content and Antirrhinum a lower lysine content than the other species studied. Moreover, 2 mutants of Antirrhinum majus, defective in chlorophyll production, 1 a gene mutant and the other a plastome mutant, were studied. No differences in the amino acid content of the structural proteins of the chloroplasts could be detected. The structural proteins of the ribosomes have an amino acid composition different from that of the chloroplasts.