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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Plant molecular biology 20 (1992), S. 737-741 
    ISSN: 1573-5028
    Keywords: ATP synthase ; CF1CF0 complex ; chloroplast import ; thylakoid membrane
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract A cDNA clone encoding the complete precursor of the γ subunit of the pea chloroplast ATP synthase has been isolated from a pea leaf cDNA library in λgt11 following detection with antibodies to the purified γ subunit. The cDNA insert of 1.4 kbp is smaller than transcripts of about 1.6 kb detected by northern hybridisation of RNA from both light- and darkgrown pea leaves. The cDNA encodes a polypeptide of 376 amino acid residues, of which 52 residues constitute an N-terminal presequence and 324 residues make up the mature protein. Transcription and translation of the cDNA in vitro produced a protein of 42 kDa, which was imported by isolated pea chloroplasts and processed to the mature 36 kDa subunit.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1573-5028
    Keywords: wheat ; chloroplast genes ; ATP synthase ; methionine tRNA gene
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The nucleotide sequences of the chloroplast genes for the alpha, beta and epsilon subunits of wheat chloroplast ATP synthase have been determined. Open reading frames of 1512 bp, 1494 bp and 411 bp are deduced to code for polypeptides of molecular weights 55201, 53796 and 15200, identified as the alpha, beta and epsilon subunits respectively by homology with the subunits from other sources and by amino acid sequencing of the epsilon subunit. The genes for the beta and epsilon subunits overlap by 4 bp. The gene for methionine tRNA is located 118 bp downstream from the epsilon subunit gene. Comparisons of the deduced amino acid sequences of the alpha and beta subunits with those from other species suggest regions of the proteins involved in adenine nucleotide binding.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Plant molecular biology 19 (1992), S. 343-349 
    ISSN: 1573-5028
    Keywords: ATP synthase ; presequence ; chloroplast import ; stromal processing peptidase
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract A cDNA clone encoding the complete precursor of the γ subunit of chloroplast ATP synthase has been isolated from a tobacco (Nicotiana tabacum) leaf cDNA library in λgt11. The 1.4 kb insert encodes a polypeptide of 377 amino acid residues, of which 55 residues constitute an N-terminal presequence and 322 residues make up the mature γ subunit. Hybridisation of the cDNA to Southern blots of tobacco genomic DNA indicates the presence of two genes in the haploid genome. Transcription and translation of the cDNA in vitro produced a protein of 41 kDa which was imported by isolated pea chloroplasts and processed to the mature 36 kDa subunit. The γ subunit precursor was processed to the mature size by a processing peptidase of 180 kDa present in pea stromal extracts.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1573-5028
    Keywords: ATP synthase ; CF1CF0 ; coupling factor ; chloroplast import ; presequence
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract A cDNA clone encoding the complete precursor of the δ subunit of chloroplast ATP synthase has been isolated from a tobacco (Nicotiana tabacum) leaf cDNA library in λgt11. The 880 bp insert encodes a polypeptide of 248 amino acid residues, of which 61 residues constitute an N-terminal presequence and 187 residues make up the mature δ subunit. Transcription and translation of the cDNA in vitro produced a protein of 29 kDa which was imported by isolated pea chloroplasts and processed to the mature 20 kDa subunit. The δ subunit precursor was processed to the mature size by a processing peptidase present in pea stromal extracts. Hybridisation of the cDNA to Southern blots of tobacco genomic DNA suggests the presence of two genes in the haploid genome.
    Type of Medium: Electronic Resource
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