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scripts for generating interfacial (and other) parvalbumin point mutations, assessing their resulting energies, and predicting basic functional impact

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alec-loftus/parvalbumin_foldx

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Setup

Dependencies

Install the required software:

  • FoldX: Follow the installation instructions provided on the FoldX website.

  • PyTraj:

    conda install -c ambermd pytraj

    Note: PyTraj is often included with AmberTools.

  • BioBlast:

    conda install -c bioconda bioblast # Or follow specific installation guide if different
  • need to make a symbolic link to the foldx rotatebase.txt file

Environment Configuration

  1. Source Configuration File: Before running, make sure to source the necessary environment variables or settings from your configuration file:

    source config.bash
  2. Activate Conda Environment: Activate the Conda environment where AmberTools (and potentially the other dependencies) are installed. This example uses AmberTools23:

    conda activate AmberTools23

Running the Design

Execute the design script

  • To get your protein of interest assumes 1RwY

    # Example command structure (replace with your actual command)
    python design.py -action getpdb
  • To repair it using foldx

    python design.py -action repair 

    Note, i manually prepped the structure by removing its other chains and heteroatoms

  • To identify the closest neighboring residues on the interface, use the -ptraj option when running the design script:

    python design.py -action ptraj

    action='getpdb' # get pdb structure

    action='repair' # fix it via foldx

    action='ptraj' # find residues at interface

    action='build' # introduce mutations via foldx [see mutList below]

    action='process' # process scores from foldx:w

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scripts for generating interfacial (and other) parvalbumin point mutations, assessing their resulting energies, and predicting basic functional impact

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