Accurate Reproduction of 161 Small-Molecule Complex Crystal Structures using the EUDOC Program: Expanding the Use of EUDOC to Supramolecular Chemistry
2007

Using EUDOC to Reproduce Small-Molecule Complex Crystal Structures

Sample size: 161 publication Evidence: high

Author Information

Author(s): Wang Qi, Pang Yuan-Ping

Primary Institution: Mayo Clinic, Rochester, Minnesota, United States of America

Hypothesis

Can the EUDOC program accurately reproduce the crystal structures of small-molecule guest-host complexes?

Conclusion

The EUDOC program successfully reproduced all 161 tested small-molecule guest-host complexes, demonstrating its utility in supramolecular chemistry.

Supporting Evidence

  • EUDOC reproduced all 161 crystal structures with mwRMSDs of <1.0 Å.
  • The average interaction energy of the small-molecule complexes was −50.1 kcal/mol.
  • 31 of the 161 complexes could not be reproduced without considering neighboring hosts.
  • After including crystal packing, EUDOC accurately reproduced all complexes.

Takeaway

The EUDOC program can help scientists understand how small molecules fit together, which is important for making new materials and drugs.

Methodology

The study involved docking small-molecule guest-host complexes using the EUDOC program and evaluating the accuracy of the reproductions based on mass-weighted root mean square deviations (mwRMSDs).

Limitations

The study did not account for the influence of structural waters in some cases, which may affect the accuracy of the docking results.

Digital Object Identifier (DOI)

10.1371/journal.pone.0000531

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