def generate_ligands_figure(molecules, figsize=None, filename='ligands.png'):
""" Plot an image with all of the ligands passed in
Parameters
----------
molecules : list
list of openeye.oemol objects
figsize : list or tuple
list or tuple of len() == 2 of the horizontal and vertical lengths of image
filename : string
name of file to save the image
Returns
-------
"""
from openeye import oechem, oedepict
to_draw = []
for lig in molecules:
oedepict.OEPrepareDepiction(lig)
to_draw.append(oechem.OEGraphMol(lig))
dim = int(np.ceil(len(to_draw)**0.5))
if figsize is None:
x_len = 1000 * dim
y_len = 500 * dim
image = oedepict.OEImage(x_len, y_len)
else:
assert (len(figsize) == 2
), "figsize arguement should be a tuple or list of length 2"
image = oedepict.OEImage(figsize[0], figsize[1])
rows, cols = dim, dim
grid = oedepict.OEImageGrid(image, rows, cols)
opts = oedepict.OE2DMolDisplayOptions(grid.GetCellWidth(),
grid.GetCellHeight(),
oedepict.OEScale_AutoScale)
minscale = float("inf")
for mol in to_draw:
minscale = min(minscale, oedepict.OEGetMoleculeScale(mol, opts))
# print(mol.GetTitle())
opts.SetScale(minscale)
for idx, cell in enumerate(grid.GetCells()):
mol = to_draw[idx]
disp = oedepict.OE2DMolDisplay(mol, opts)
oedepict.OERenderMolecule(cell, disp)
oedepict.OEWriteImage(filename, image)
return
def visualize_mols(smiles,
fname,
rows,
cols,
bond_idx,
wbos,
colors,
align_to=0):
"""
Visualize molecules with highlighted bond and labeled with WBO
Parameters
----------
smiles : list of SMILES to visualize.
bond atoms should have map indices
fname : str
filename
rows : int
cols : int
bond_idx : tuple of atom maps of bond to highlight.
wbos : list of floats
colors : list of hex values for colors
align_to: int, optional, default 0
index for which molecule to align to. If zero, will align to first molecules in SMILES list
"""
itf = oechem.OEInterface()
ropts = oedepict.OEReportOptions(rows, cols)
ropts.SetHeaderHeight(25)
ropts.SetFooterHeight(25)
ropts.SetCellGap(2)
ropts.SetPageMargins(10)
report = oedepict.OEReport(ropts)
cellwidth, cellheight = report.GetCellWidth(), report.GetCellHeight()
opts = oedepict.OE2DMolDisplayOptions(cellwidth, cellheight,
oedepict.OEScale_AutoScale)
oedepict.OESetup2DMolDisplayOptions(opts, itf)
# align to chosen molecule
ref_mol = oechem.OEGraphMol()
oechem.OESmilesToMol(ref_mol, smiles[align_to])
oedepict.OEPrepareDepiction(ref_mol)
mols = []
minscale = float("inf")
for s in smiles:
mol = oechem.OEMol()
oechem.OESmilesToMol(mol, s)
mols.append(mol)
oedepict.OEPrepareDepiction(mol, False, True)
minscale = min(minscale, oedepict.OEGetMoleculeScale(mol, opts))
print(minscale)
print(minscale)
opts.SetScale(minscale)
for i, mol in enumerate(mols):
cell = report.NewCell()
oedepict.OEPrepareDepiction(mol, False, True)
bond = get_bond(mol, bond_idx)
atom_bond_set = oechem.OEAtomBondSet()
atom_bond_set.AddAtoms([bond.GetBgn(), bond.GetEnd()])
atom_bond_set.AddBond(bond)
hstyle = oedepict.OEHighlightStyle_BallAndStick
hcolor = oechem.OEColor(*colors[i])
overlaps = oegraphsim.OEGetFPOverlap(
ref_mol, mol, oegraphsim.OEGetFPType(oegraphsim.OEFPType_Tree))
oedepict.OEPrepareMultiAlignedDepiction(mol, ref_mol, overlaps)
#opts.SetBondPropLabelFontScale(4.0)
disp = oedepict.OE2DMolDisplay(mol, opts)
oedepict.OEAddHighlighting(disp, hcolor, hstyle, atom_bond_set)
#font = oedepict.OEFont(oedepict.OEFontFamily_Default, oedepict.OEFontStyle_Bold, 12,
# oedepict.OEAlignment_Default, oechem.OEBlack)
bond_label = oedepict.OEHighlightLabel("{:.2f}".format((wbos[i])),
hcolor)
bond_label.SetFontScale(1.4)
#bond_label.SetFont(font)
oedepict.OEAddLabel(disp, bond_label, atom_bond_set)
oedepict.OERenderMolecule(cell, disp)
# oedepict.OEDrawCurvedBorder(cell, oedepict.OELightGreyPen, 10.0)
return (oedepict.OEWriteReport(fname, report))
def visualize_bond_atom_sensitivity(mols,
bonds,
scores,
fname,
rows,
cols,
atoms=None,
min_scale=True):
"""
Parameters
----------
mols :
bonds :
scores :
fname :
wbos :
rows :
cols :
atoms :
height :
width :
Returns
-------
"""
itf = oechem.OEInterface()
ropts = oedepict.OEReportOptions(rows, cols)
ropts.SetHeaderHeight(0.01)
ropts.SetFooterHeight(0.01)
ropts.SetCellGap(0.0001)
ropts.SetPageMargins(0.01)
report = oedepict.OEReport(ropts)
cellwidth, cellheight = report.GetCellWidth(), report.GetCellHeight()
opts = oedepict.OE2DMolDisplayOptions(cellwidth, cellheight,
oedepict.OEScale_AutoScale)
oedepict.OESetup2DMolDisplayOptions(opts, itf)
opts.SetAromaticStyle(oedepict.OEAromaticStyle_Circle)
opts.SetAtomColorStyle(oedepict.OEAtomColorStyle_WhiteMonochrome)
pen = oedepict.OEPen(oechem.OEBlack, oechem.OEBlack, oedepict.OEFill_Off,
0.9)
opts.SetDefaultBondPen(pen)
oedepict.OESetup2DMolDisplayOptions(opts, itf)
if min_scale:
minscale = float("inf")
for m in mols:
oedepict.OEPrepareDepiction(m, False, True)
minscale = min(minscale, oedepict.OEGetMoleculeScale(m, opts))
opts.SetScale(minscale)
for i, mol in enumerate(mols):
cell = report.NewCell()
oedepict.OEPrepareDepiction(mol, False, True)
atom_bond_sets = []
for j, bond in enumerate(bonds[i]):
bo = get_bond(mol, bond)
atom_bond_set = oechem.OEAtomBondSet()
atom_bond_set.AddBond(bo)
atom_bond_sets.append(atom_bond_set)
opts.SetTitleLocation(oedepict.OETitleLocation_Hidden)
disp = oedepict.OE2DMolDisplay(mol, opts)
hstyle = oedepict.OEHighlightStyle_Stick
hstyle_2 = oedepict.OEHighlightStyle_Color
score = scores[i]
norm = plt.Normalize(0, max(score))
colors = plt.cm.coolwarm(norm(score))
colors_oe = [rbg_to_int(c, 200) for c in colors]
for j, atom_bond_set in enumerate(atom_bond_sets):
highlight = oechem.OEColor(*colors_oe[j])
oedepict.OEAddHighlighting(disp, highlight, hstyle, atom_bond_set)
oedepict.OEAddHighlighting(disp, highlight, hstyle_2,
atom_bond_set)
highlight = oedepict.OEHighlightByCogwheel(oechem.OEDarkPurple)
highlight.SetBallRadiusScale(5.0)
if not atoms is None:
for a_b in atoms[i]:
if isinstance(a_b[-1], list):
for k, c in enumerate(a_b[-1]):
print(c)
color = oechem.OEColor(*colors_oe[c])
highlight.SetBallRadiusScale(5.0 - 2.5 * k)
highlight.SetColor(color)
atom_bond_set_a = oechem.OEAtomBondSet()
if len(a_b[0]) == 1:
a = mol.GetAtom(oechem.OEHasMapIdx(a_b[0][0]))
atom_bond_set_a.AddAtom(a)
oedepict.OEAddHighlighting(disp, highlight,
atom_bond_set_a)
else:
color = oechem.OEColor(*colors_oe[a_b[-1]])
highlight.SetColor(color)
atom_bond_set_a = oechem.OEAtomBondSet()
if len(a_b[0]) == 1:
a = mol.GetAtom(oechem.OEHasMapIdx(a_b[0][0]))
atom_bond_set_a.AddAtom(a)
else:
for b in itertools.combinations(a_b[0], 2):
bo = get_bond(mol, b)
if not bo:
continue
atom_bond_set_a.AddAtom(bo.GetBgn())
atom_bond_set_a.AddAtom(bo.GetEnd())
atom_bond_set_a.AddBond(bo)
oedepict.OEAddHighlighting(disp, highlight,
atom_bond_set_a)
oedepict.OERenderMolecule(cell, disp)
# oedepict.OEDrawCurvedBorder(cell, oedepict.OELightGreyPen, 10.0)
return oedepict.OEWriteReport(fname, report)
oedepict.OEPrepareDepiction(fitmol)
image = oedepict.OEImage(500, 300)
rows, cols = 1, 2
grid = oedepict.OEImageGrid(image, rows, cols)
overlaps = oegraphsim.OEGetFPOverlap(refmol, fitmol,
oegraphsim.OEGetFPType(oegraphsim.OEFPType_Tree))
oedepict.OEPrepareMultiAlignedDepiction(fitmol, refmol, overlaps)
opts = oedepict.OE2DMolDisplayOptions(grid.GetCellWidth(), grid.GetCellHeight(),
oedepict.OEScale_AutoScale)
opts.SetTitleLocation(oedepict.OETitleLocation_Hidden)
refscale = oedepict.OEGetMoleculeScale(refmol, opts)
fitscale = oedepict.OEGetMoleculeScale(fitmol, opts)
opts.SetScale(min(refscale, fitscale))
refdisp = oedepict.OE2DMolDisplay(refmol, opts)
fitdisp = oedepict.OE2DMolDisplay(fitmol, opts)
refcell = grid.GetCell(1, 1)
oedepict.OERenderMolecule(refcell, refdisp)
fitcell = grid.GetCell(1, 2)
oedepict.OERenderMolecule(fitcell, fitdisp)
oedepict.OEWriteImage("FPAlign.png", image)
# @ </SNIPPET-FINGERPRINT-ALIGN>
oedepict.OEWriteImage("FPAlign.pdf", image)
oedepict.OEScale_AutoScale)
opts.SetAromaticStyle(oedepict.OEAromaticStyle_Circle)
#opts.SetAtomColorStyle(oedepict.OEAtomColorStyle_WhiteMonochrome)
pen = oedepict.OEPen(oechem.OEBlack, oechem.OEBlack, oedepict.OEFill_Off, 0.6)
opts.SetDefaultBondPen(pen)
oedepict.OESetup2DMolDisplayOptions(opts, itf)
mols = []
minscale = float("inf")
for s in smiles:
mol = oechem.OEMol()
oechem.OESmilesToMol(mol, s)
mols.append(mol)
oedepict.OEPrepareDepiction(mol, False, True)
minscale = min(minscale, oedepict.OEGetMoleculeScale(mol, opts))
opts.SetScale(minscale)
print(minscale)
opts.SetScale(minscale * 2)
for mol in mols[::2]:
mol = oechem.OEMol()
oechem.OESmilesToMol(mol, s)
cell = report.NewCell()
oedepict.OEPrepareDepiction(mol, False, suppress_h)
#opts.SetTitleLocation(oedepict.OETitleLocation_Hidden)
for idx, cell in enumerate(report.GetCells()):
#i = (len(mols)-1) - idx
disp = oedepict.OE2DMolDisplay(mols[idx], opts)
