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Cloning and complete nucleotide sequence of Acinetobacter radioresistens CMC-1 AglyA gene encoding serine
1Department of Biochemistry, Medical College, National Cheng Kung University, Tainan, Taiwan.
Abstract:
A gene (AglyA) encoding serine hydroxymethyltransferase of Acinetobacter radioresistens CMC-1 was cloned and sequenced. Nucleotide sequence analysis of AglyA predicted a single open reading frame (ORF) of 1251 bp encoding a 417-amino acid polypeptide. Two putative MetR-like binding sites (5'-TGAAACATGAGCT) and (5'-TGAGCAAAGTTCA), centered at bp -123 and -95 relative to the +1 translation start site were found, which have six out of nine and eight out of nine nucleotides that match to the consensus sequence of Escherichia coli (5'-TGAANNT/ANNTTCA), respectively. The enzyme also showed a high level of homology to other sources of serine hydroxymethyltransferase proteins.