BION

BION predicts the locations of surface-bound ions on macromolecules to model ion-mediated structural stability and electrostatic interactions.


Key Features:

  • Surface-bound ion prediction: Predicts positions of surface-bound ions on macromolecular surfaces.
  • Clustering algorithm: Applies a sophisticated clustering algorithm to identify candidate ion-binding sites.
  • Pairing rules: Uses pairing rules combined with clustering to refine placement of ions on surfaces.
  • Environmental parameters: Incorporates pH and salt concentration into predictions to account for biochemical conditions.
  • Efficiency and accuracy: Provides improved computational efficiency and prediction accuracy relative to prior methods.

Scientific Applications:

  • Structural stability and enzymatic activity: Modeling how ions maintain macromolecular structure integrity and participate in enzymatic activities.
  • Electrostatic screening: Analyzing ion screening of electrostatic interactions around macromolecules.
  • Condition-dependent ion binding: Investigating effects of varying pH and salt concentration on ion binding to surfaces.
  • Complement to experiments: Providing computational insights into ion locations that are challenging to determine experimentally.

Methodology:

Prediction is performed using a clustering algorithm combined with pairing rules and explicit inclusion of pH and salt concentration parameters.

Topics

Details

Tool Type:
web application
Added:
8/3/2017
Last Updated:
11/25/2024

Operations

Publications

Petukh M, Zhang M, Alexov E. Statistical investigation of surface bound ions and further development of <scp>BION</scp> server to include p<scp>H</scp> and salt dependence. Journal of Computational Chemistry. 2015;36(32):2381-2393. doi:10.1002/jcc.24218. PMID:26484964.

PMID: 26484964
Funding: - National Institute of General Medical Sciences: R01GM093937

Documentation

Links