@misc{indiciaeb39ccd84fc7c,
  title = {Enzyme evolution. Design by necessity.},
  author = {G A Petsko},
  year = {2000},
  doi = {10.1038/35001176},
  url = {https://pubmed.ncbi.nlm.nih.gov/10688181/},
  note = {Source identifier: 10688181}
}