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research-article

Phosphoglycerate mutase from Streptomyces coelicolor A3(2): purification and characterization of the enzyme and cloning and sequence analysis of the gene.

Department of Biochemistry, University of Glasgow, United Kingdom.

ABSTRACT

The enzyme 3-phosphoglycerate mutase was purified 192-fold from Streptomyces coelicolor, and its N-terminal sequence was determined. The enzyme is tetrameric with a subunit Mr of 29,000. It is 2,3-bisphosphoglycerate dependent and inhibited by vanadate. The gene encoding the enzyme was cloned by using a synthetic oligonucleotide probe designed from the N-terminal peptide sequence, and the complete coding sequence was determined. The deduced amino acid sequence is 64% identical to that of the phosphoglycerate mutase of Saccharomyces cerevisiae and has substantial identity to those of other phosphoglycerate mutases.