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  • Title: The Nucleotide Sequence of gltD Gene Encoding the Small Subunit of Rhodobacter sphaeroides Glutamate Synthase.
    Author: Lu T, Wu YQ, Song HY.
    Journal: Sheng Wu Hua Xue Yu Sheng Wu Wu Li Xue Bao (Shanghai); 1997; 29(3):294-302. PubMed ID: 12219208.
    Abstract:
    We have determined the complete nucleotide sequence of a 2 387 bp chromosomal SalI-EcoRI fragment, which contains the structural gene (gltD) for the small subunit of Rhodobacter sphaeroides glutamate synthase, as well as the 5'- and 3'-flanking regions. An open reading frame of 1 242 base pairs was identified as the R. sphaeroides gltD gene. The MW of the small subunit, as deduced from the nucleotide sequence, was estimated to be 44 kD. A comparison of the nucleotide sequence revealed a high similarity among gltD genes of R. sphaeroides, Azospirillum brasilense and Escherichia coli. The deduced amino acid sequence of R. sphaeroides GltD showed a high similarity with that of A. brasilense GltD. The analysis of the binding domains of R. sphaeroides GltD was also carried out. The gltD-lacZ fusion was observed in the presence of 15 mM leucine.
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