Ejemplo n.º 1
0
def test_script_yaml():
    """Check that yank script --yamlscript command works."""
    setup_dir = utils.get_data_filename(os.path.join("..", "examples", "p-xylene-implicit", "setup"))
    pxylene_path = os.path.join(setup_dir, "ligand.tripos.mol2")
    lysozyme_path = os.path.join(setup_dir, "receptor.pdbfixer.pdb")
    with utils.temporary_directory() as tmp_dir:
        yaml_content = """
        ---
        options:
            number_of_iterations: 1
            output_dir: '.'
        molecules:
            T4lysozyme:
                filepath: {}
                parameters: oldff/leaprc.ff99SBildn
            p-xylene:
                filepath: {}
                parameters: antechamber
        solvents:
            vacuum:
                nonbonded_method: NoCutoff
        experiments:
            components:
                receptor: T4lysozyme
                ligand: p-xylene
                solvent: vacuum
        """.format(
            lysozyme_path, pxylene_path
        )

        yaml_file_path = os.path.join(tmp_dir, "yank.yaml")
        with open(yaml_file_path, "w") as f:
            f.write(textwrap.dedent(yaml_content))
        run_cli("script --yaml={}".format(yaml_file_path))
Ejemplo n.º 2
0
def test_prepare_binding():
    # NOTE: switched to yank p-xylene from openmmtools T4-lysozyme because of yank bugs.
    dirname = utils.get_data_filename(
        "../examples/p-xylene-implicit/setup/"
    )  # Could only figure out how to install things like yank.egg/examples/, rather than yank.egg/yank/examples/
    with utils.temporary_directory() as store_dir:
        run_cli(
            'prepare binding amber --setupdir=%(dirname)s --ligand="resname MOL" --store %(store_dir)s --gbsa OBC1'
            % vars())
Ejemplo n.º 3
0
def test_prepare_binding():
    # NOTE: switched to yank p-xylene from openmmtools T4-lysozyme because of yank bugs.
    dirname = utils.get_data_filename(
        "../examples/p-xylene-implicit/setup/"
    )  # Could only figure out how to install things like yank.egg/examples/, rather than yank.egg/yank/examples/
    with utils.temporary_directory() as store_dir:
        run_cli(
            'prepare binding amber --setupdir=%(dirname)s --ligand="resname MOL" --store %(store_dir)s --gbsa OBC1'
            % vars()
        )
Ejemplo n.º 4
0
def test_script_yaml():
    """Check that yank script --yamlscript command works."""
    setup_dir = utils.get_data_filename(
        os.path.join('..', 'examples', 'p-xylene-implicit', 'setup'))
    pxylene_path = os.path.join(setup_dir, 'ligand.tripos.mol2')
    lysozyme_path = os.path.join(setup_dir, 'receptor.pdbfixer.pdb')
    with utils.temporary_directory() as tmp_dir:
        yaml_content = """
        ---
        options:
            number_of_iterations: 1
            output_dir: '.'
        molecules:
            T4lysozyme:
                filepath: {}
                parameters: oldff/leaprc.ff99SBildn
            p-xylene:
                filepath: {}
                parameters: antechamber
        solvents:
            vacuum:
                nonbonded_method: NoCutoff
        protocols:
            absolute-binding:
                phases:
                    complex:
                        alchemical_path:
                            lambda_electrostatics: [1.0, 0.9, 0.8, 0.6, 0.4, 0.2, 0.0]
                            lambda_sterics: [1.0, 0.9, 0.8, 0.6, 0.4, 0.2, 0.0]
                    solvent:
                        alchemical_path:
                            lambda_electrostatics: [1.0, 0.8, 0.6, 0.3, 0.0]
                            lambda_sterics: [1.0, 0.8, 0.6, 0.3, 0.0]
        experiments:
            components:
                receptor: T4lysozyme
                ligand: p-xylene
                solvent: vacuum
            protocol: absolute-binding
        """.format(lysozyme_path, pxylene_path)

        yaml_file_path = os.path.join(tmp_dir, 'yank.yaml')
        with open(yaml_file_path, 'w') as f:
            f.write(textwrap.dedent(yaml_content))
        run_cli('script --yaml={}'.format(yaml_file_path))
Ejemplo n.º 5
0
def test_script_yaml():
    """Check that yank script --yamlscript command works."""
    setup_dir = utils.get_data_filename(os.path.join('..', 'examples', 'p-xylene-implicit', 'setup'))
    pxylene_path = os.path.join(setup_dir, 'ligand.tripos.mol2')
    lysozyme_path = os.path.join(setup_dir, 'receptor.pdbfixer.pdb')
    with utils.temporary_directory() as tmp_dir:
        yaml_content = """
        ---
        options:
            number_of_iterations: 1
            output_dir: '.'
        molecules:
            T4lysozyme:
                filepath: {}
                parameters: oldff/leaprc.ff99SBildn
            p-xylene:
                filepath: {}
                parameters: antechamber
        solvents:
            vacuum:
                nonbonded_method: NoCutoff
        protocols:
            absolute-binding:
                phases:
                    complex:
                        alchemical_path:
                            lambda_electrostatics: [1.0, 0.9, 0.8, 0.6, 0.4, 0.2, 0.0]
                            lambda_sterics: [1.0, 0.9, 0.8, 0.6, 0.4, 0.2, 0.0]
                    solvent:
                        alchemical_path:
                            lambda_electrostatics: [1.0, 0.8, 0.6, 0.3, 0.0]
                            lambda_sterics: [1.0, 0.8, 0.6, 0.3, 0.0]
        experiments:
            components:
                receptor: T4lysozyme
                ligand: p-xylene
                solvent: vacuum
            protocol: absolute-binding
        """.format(lysozyme_path, pxylene_path)

        yaml_file_path = os.path.join(tmp_dir, 'yank.yaml')
        with open(yaml_file_path, 'w') as f:
            f.write(textwrap.dedent(yaml_content))
        run_cli('script --yaml={}'.format(yaml_file_path))