FAIRMol

OHD_Leishmania_257

Pose ID 10853 Compound 703 Pose 10

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T17
T. brucei TR (Doorstop site) T. brucei Doorstop site
Ligand OHD_Leishmania_257
PDB5S9T

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Reject SASA cached
Promising but geometrically suspicious
Binding strong Geometry low Native strong SASA done
Strain ΔE
44.3 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.83, Jaccard 0.50, H-bond role recall 0.00
Burial
77%
Hydrophobic fit
93%
Reason: strain 44.3 kcal/mol
strain ΔE 44.3 kcal/mol 1 protein-contact clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.749 kcal/mol/HA) ✓ Good fit quality (FQ -7.15) ✓ Good H-bonds (3 bonds) ✓ Deep burial (77% SASA buried) ✓ Lipophilic contacts well-matched (93%) ✗ Extreme strain energy (44.3 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (9)
Score
-21.734
kcal/mol
LE
-0.749
kcal/mol/HA
Fit Quality
-7.15
FQ (Leeson)
HAC
29
heavy atoms
MW
432
Da
LogP
2.34
cLogP
Strain ΔE
44.3 kcal/mol
SASA buried
77%
Lipo contact
93% BSA apolar/total
SASA unbound
681 Ų
Apolar buried
485 Ų

Interaction summary

HB 3 HY 20 PI 2 CLASH 1
Final rank2.902Score-21.734
Inter norm-0.776Intra norm0.027
Top1000noExcludedno
Contacts18H-bonds3
Artifact reasongeometry warning; 9 clashes; 2 protein clashes; high strain Δ 44.3
Residues
ALA365 ARG228 CYS375 GLY196 GLY197 GLY229 GLY376 HIS428 ILE378 LEU227 LEU332 LEU334 PHE198 PHE230 SER364 THR374 TYR221 VAL366

Protein summary

1033 residues
Protein targetT17Atoms15160
Residues1033Chains2
Residue summaryVAL:1536; LEU:1387; LYS:1386; ILE:1064; GLU:900; THR:868; ARG:816; PHE:800; ALA:780; ASN:700; PRO:686; GLY:672; SER:616; TYR:588; ASP:528; MET:408

Receptor context

2 kept / 0 excluded
Receptor context filtering: interactions and SASA are computed against protein atoms plus allowed cofactors/ions. Native ligand-like HETATM partners are excluded from scoring.
Kept context 2 Excluded HETATM 0
Kept cofactors / ions
A:FAD501 B:FAD501

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name5S9TContacts12
PoseOpen native poseHB0
IFP residues
ALA365 ARG228 ARG331 GLY229 LEU332 LEU334 MET333 PHE198 PHE230 SER364 THR374 VAL366
Current overlap10Native recall0.83
Jaccard0.50RMSD-
HB strict0Strict recall0.00
HB same residue+role0HB role recall0.00
HB same residue0HB residue recall0.00

HB · H-bonds

Mode: strict. Count shows atom-level H-bonds; unique residues in summary: 0.

PI · π–π interactions

Native π–π recall is disabled because no explicit native π–π reference was stored.

HY · Hydrophobic contacts

CLASH · Clashes

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
17 0.7372946589621501 -0.887143 -22.9995 2 19 0 0.00 0.00 - no Open
81 0.9579349200817716 -1.09881 -29.6235 3 19 0 0.00 0.00 - no Open
19 2.0782640243944894 -0.816191 -23.5613 3 10 0 0.00 0.00 - no Open
10 2.9017440946503426 -0.77618 -21.7338 3 18 10 0.83 0.00 - no Current
64 3.576103347097307 -0.816316 -23.6441 3 10 0 0.00 0.00 - no Open
44 5.141799551706835 -1.13882 -34.4385 10 19 0 0.00 0.00 - no Open
8 5.142493142434532 -1.13849 -34.3866 10 19 0 0.00 0.00 - no Open

Molecular metrics

RDKit SASA burial, strain energy (MMFF94s), ligand efficiency and fit quality for this docking pose.
✓ Metrics available

Scoring & efficiency

Docking score -21.734kcal/mol
Ligand efficiency (LE) -0.7494kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.154
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 29HA

Physicochemical properties

Molecular weight 432.3Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.34
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)

Strain energy (ΔE) 44.33kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 103.50kcal/mol
Minimised FF energy 59.17kcal/mol

SASA & burial

✓ computed
SASA (unbound) 680.8Ų
Total solvent-accessible surface area of free ligand
BSA total 523.0Ų
Buried surface area upon binding
BSA apolar 484.8Ų
Hydrophobic contacts buried
BSA polar 38.2Ų
Polar contacts buried
Fraction buried 76.8%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 92.7%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -6588.8Ų
SASA_nonpolar(complex) − SASA_nonpolar(receptor) − SASA_nonpolar(ligand free). Negative = non-polar surface buried upon binding. Requires full polarity-decomposed SASA computation.
Receptor non-polar SASA 8063.1Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 2093.4Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)