@misc{indiciae1187601ff867,
  title = {Construction and characterization of a single polypeptide chain containing two enzymatically active dihydrofolate reductase domains.},
  author = {M Iwakura and C R Matthews},
  year = {1992},
  doi = {10.1093/protein/5.8.791},
  url = {https://pubmed.ncbi.nlm.nih.gov/1287660/},
  note = {Source identifier: 1287660}
}