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Buchnera aphidicola (aphid-endosymbiont) glyceraldehyde-3-phosphate dehydrogenase: molecular cloning and sequence
1Microbiology Section, University of California, Davis 95616-8665.
Abstract:
Buchnera aphidicola is an endosymbiont of the aphid Schizaphis graminum. A 3.9-kb B. aphidicola DNA fragment was sequenced and found to contain two open reading frames (ORFs). The deduced amino acid sequence of one of the ORFs had an 85% identity to Escherichia coli glyceraldehyde-3-phosphate dehydrogenase (Gap). Both of these proteins have a higher similarity to eukaryotic than to prokaryotic Gaps. The second ORF could not be readily identified. The sequence of the putative product indicated that it was a member of the family of ATP-binding, membrane-associated proteins. The highest amino acid identity (36%) was with E. coli FtsE, a protein involved in cell division.