Wanted: unique names for unique atom positions. PDB-wide analysis of diastereotopic atom names of small molecules containing diphosphate
2008

Naming Issues for Diphosphate Atoms in Small Molecules

Sample size: 472 publication Evidence: moderate

Author Information

Author(s): Christopher A. Bottoms, Dong Xu

Primary Institution: University of Missouri

Hypothesis

How do naming conventions for diastereotopic atoms in diphosphate-containing molecules affect data mining in the Protein Data Bank?

Conclusion

The lack of standardized naming conventions for diastereotopic atoms of small molecules has left many of these atoms with non-unique names, which may create problems in data mining of the Protein Data Bank.

Supporting Evidence

  • Of 472 diastereotopic atom pairs studied, 118 had non-unique names.
  • Naming inconsistencies were found in over half of the ligands analyzed.
  • The study suggests a new naming convention to improve clarity.

Takeaway

This study found that many small molecules have confusing names for their atoms, which can make it hard for scientists to find the right information. They suggest a better way to name these atoms.

Methodology

A systematic analysis of diastereotopic atom names in the Protein Data Bank was conducted, focusing on small molecules containing diphosphate.

Potential Biases

The analysis may be biased towards the naming conventions present in the Protein Data Bank, which may not represent all possible naming systems.

Limitations

The study primarily focused on naming conventions and did not address the broader implications of these inconsistencies on molecular biology.

Digital Object Identifier (DOI)

10.1186/1471-2105-9-S9-S16

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