@misc{indiciaee6403509e900,
  title = {Structural invariants in protein folding.},
  author = {C Chothia},
  year = {1975},
  doi = {10.1038/254304a0},
  url = {https://pubmed.ncbi.nlm.nih.gov/1118010/},
  note = {Source identifier: 1118010}
}