@misc{indiciae7667f7105d1d,
  title = {PDBsum additions},
  author = {de Beer, Tjaart P. and Berka, Karel and Thornton, Janet M. and Laskowski, Roman A.},
  year = {2013},
  doi = {10.1093/nar/gkt940},
  url = {https://www.osti.gov/biblio/2469493},
  note = {Source identifier: 2469493}
}