The Lactococcus lactis triosephosphate isomerase gene, tpi, is monocistronic.

@article{Cancilla1995TheLL,
  title={The Lactococcus lactis triosephosphate isomerase gene, tpi, is monocistronic.},
  author={Michael R. Cancilla and B. E. Davidson and Alan J. Hillier and Nga Yen Nguyen and Jill Thompson},
  journal={Microbiology},
  year={1995},
  volume={141 ( Pt 1)},
  pages={
          229-38
        }
}
Triosephosphate isomerase (EC 5.3.1.1) from Lactococcus lactis was purified to electrophoretic homogeneity. Approximately 3 mg purified enzyme (specific activity 3300 U mg-1) was obtained from 70 g (wet wt) cells. In solution, triosephosphate isomerase (pI 4.0-4.4) was observed to exist as a homodimer (M(r) 57,000) of noncovalently linked subunits. The sequence of the first 37 amino acid residues from the NH2-terminus were determined by step-wise Edman degradation. This sequence, and that of a… CONTINUE READING

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