@misc{indiciae542bfe66be9e,
  title = {Circular beta-lactamase: stability enhancement by cyclizing the backbone.},
  author = {H Iwai and A Plückthun},
  year = {1999},
  doi = {10.1016/s0014-5793(99)01220-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/10518012/},
  note = {Source identifier: 10518012}
}