コード例 #1
0
def array_rep_from_smiles(smiles):
    """Precompute everything we need from MolGraph so that we can free the memory asap."""
    molgraph = graph_from_smiles_tuple(smiles)
    arrayrep = {
        'atom_features': molgraph.feature_array('atom'),
        'bond_features': molgraph.feature_array('bond'),
        'atom_list': molgraph.neighbor_list('molecule',
                                            'atom'),  # List of lists.
        'rdkit_ix': molgraph.rdkit_ix_array()
    }  # For plotting only.

    #print "atom_features", len(arrayrep['atom_features']),len(arrayrep['atom_features'][0])
    #print arrayrep['atom_features']
    #print "bond_features", len(arrayrep['bond_features']), len(arrayrep['bond_features'][0])
    #print arrayrep['bond_features']
    #print "atom_list", len(arrayrep['bond_features']), len(arrayrep['bond_features'][0])
    #print arrayrep['atom_list']
    #print "rdkit_ix", len(arrayrep['bond_features']), len(arrayrep['bond_features'][0])
    #print arrayrep['rdkit_ix']
    #import pdb;pdb.set_trace()
    for degree in degrees:
        arrayrep[('atom_neighbors', degree)] = \
            np.array(molgraph.neighbor_list(('atom', degree), 'atom'), dtype=int)
        arrayrep[('bond_neighbors', degree)] = \
            np.array(molgraph.neighbor_list(('atom', degree), 'bond'), dtype=int)
    return arrayrep
コード例 #2
0
def main():
	print "This is the file"
	mol_smile = [('OCC3OC(OCC2OC(OC(C#N)c1ccccc1)C(O)C(O)C2O)C(O)C(O)C3O'),('c1ccsc1')]
	# mol_smile = mol_smile[1]
	# m = Chem.MolFromSmiles(mol_smile)
	# alist = m.GetAtoms()
	# a = alist[0]
	print mol_smile
	molgraph = graph_from_smiles_tuple(mol_smile)
	arrayrep = {'atom_features' : molgraph.feature_array('atom'),
                'bond_features' : molgraph.feature_array('bond'),
                'atom_list'     : molgraph.neighbor_list('molecule', 'atom'), # List of lists.
                'rdkit_ix'      : molgraph.rdkit_ix_array()}  # For plotting only.
	for degree in degrees:
        # import pdb; pdb.set_trace()
		arrayrep[('atom_neighbors', degree)] = \
		    np.array(molgraph.neighbor_list(('atom', degree), 'atom'), dtype=int)    #V: The degree of an atom is defined to be its number of directly-bonded neighbors.
		arrayrep[('bond_neighbors', degree)] = \
			np.array(molgraph.neighbor_list(('atom', degree), 'bond'), dtype=int)
	# pdb.set_trace()
	filename = 'varun_visualize_atoms'
	molecule_idx = 1
	highlight_atom_nodes = arrayrep['atom_list'][molecule_idx]
	highlight_list_rdkit = [arrayrep['rdkit_ix'][our_ix] for our_ix in highlight_atom_nodes]
	pdb.set_trace()
	draw_molecule_with_highlights(filename, mol_smile[molecule_idx],highlight_list_rdkit[0:3])
コード例 #3
0
def array_rep_from_smiles(smiles):
    """extract features from molgraph"""
    molgraph = graph_from_smiles_tuple(smiles)
    arrayrep = {'atom_features' : molgraph.feature_array('atom'),
                'bond_features' : molgraph.feature_array('bond'),
                'atom_list'     : molgraph.neighbor_list('molecule', 'atom'), # List of lists.
                'rdkit_ix'      : molgraph.rdkit_ix_array()}  # For plotting only.
    for degree in degrees:
        arrayrep[('atom_neighbors', degree)] = \
            np.array(molgraph.neighbor_list(('atom', degree), 'atom'), dtype=int)
        arrayrep[('bond_neighbors', degree)] = \
            np.array(molgraph.neighbor_list(('atom', degree), 'bond'), dtype=int)
    return arrayrep
コード例 #4
0
def array_rep_from_smiles(smiles):
    """Precompute everything we need from MolGraph so that we can free the memory asap."""
    molgraph = graph_from_smiles_tuple(smiles)
    arrayrep = {'atom_features' : molgraph.feature_array('atom'),
                'bond_features' : molgraph.feature_array('bond'),
                'atom_list'     : molgraph.neighbor_list('molecule', 'atom'), # List of lists.
                'rdkit_ix'      : molgraph.rdkit_ix_array()}  # For plotting only.
    for degree in degrees:
        # import pdb; pdb.set_trace()
        arrayrep[('atom_neighbors', degree)] = \
            np.array(molgraph.neighbor_list(('atom', degree), 'atom'), dtype=int)    #V: The degree of an atom is defined to be its number of directly-bonded neighbors.
        arrayrep[('bond_neighbors', degree)] = \
            np.array(molgraph.neighbor_list(('atom', degree), 'bond'), dtype=int)
    # import pdb; pdb.set_trace()
    return arrayrep