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Identification and characterization of receptors for protein import into chloroplasts and mitochondria
D Pain1, H Murakami, D J Schnell
1Laboratory of Cell Biology, Howard Hughes Medical Institute, Rockefeller University, New York 10021.
An anti-idiotypic antibody approach was used to identify chloroplast and mitochondrial protein component(s) which interact with the corresponding signal sequence. The proteins thus identified can be operationally defined as receptor(s) for import of proteins into chloroplasts and mitochondria. The import receptor(s) was found in "contact sites" between the outer and inner membrane of chloroplast envelope or of mitochondria.
An anti-idiotypic antibody approach was used to identify chloroplast and mitochondrial protein component(s) which interact with the corresponding signal sequence. The proteins thus identified can be operationally defined as receptor(s) for import of proteins into chloroplasts and mitochondria. The import receptor(s) was found in "contact sites" between the outer and inner membrane of chloroplast envelope or of mitochondria.