FAIRMol

OHD_Leishmania_480

Pose ID 10873 Compound 558 Pose 30

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_480
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
43.6 kcal/mol
Protein clashes
7
Internal clashes
7
Native overlap
contact recall 0.92, Jaccard 0.52, H-bond role recall 0.00
Burial
78%
Hydrophobic fit
82%
Reason: 7 internal clashes, strain 43.6 kcal/mol
strain ΔE 43.6 kcal/mol 7 protein-contact clashes 7 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.475 kcal/mol/HA) ✓ Good fit quality (FQ -4.86) ✓ Good H-bonds (4 bonds) ✓ Deep burial (78% SASA buried) ✓ Lipophilic contacts well-matched (82%) ✗ Extreme strain energy (43.6 kcal/mol) ✗ Geometry warnings ✗ Protein-contact clashes (10) ✗ Many internal clashes (16)
Score
-17.569
kcal/mol
LE
-0.475
kcal/mol/HA
Fit Quality
-4.86
FQ (Leeson)
HAC
37
heavy atoms
MW
552
Da
LogP
5.58
cLogP
Strain ΔE
43.6 kcal/mol
SASA buried
78%
Lipo contact
82% BSA apolar/total
SASA unbound
724 Ų
Apolar buried
463 Ų

Interaction summary

HB 4 HY 24 PI 3 CLASH 7
Final rank2.842Score-17.569
Inter norm-0.642Intra norm0.167
Top1000noExcludedno
Contacts20H-bonds4
Artifact reasongeometry warning; 16 clashes; 10 protein contact clashes; high strain Δ 43.6
Residues
ALA365 ARG228 ARG331 ARG361 ASP231 CYS375 GLY229 GLY376 HIS359 HIS428 ILE378 LEU332 LEU334 MET333 PHE198 PHE230 SER364 THR360 THR374 VAL362

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 overlap11Native recall0.92
Jaccard0.52RMSD-
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 1.696689240757872 -0.88945 -30.2726 3 14 0 0.00 0.00 - no Open
31 1.8181900263923123 -0.842635 -28.9563 3 19 0 0.00 0.00 - no Open
34 1.9720018861540387 -0.756542 -20.7118 2 21 0 0.00 0.00 - no Open
31 2.8261011475996827 -0.748837 -25.6083 4 18 0 0.00 0.00 - no Open
30 2.8419970825468495 -0.641834 -17.5687 4 20 11 0.92 0.00 - no Current
40 3.270248076072721 -0.753324 -24.4048 5 18 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 -17.569kcal/mol
Ligand efficiency (LE) -0.4748kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -4.861
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 37HA

Physicochemical properties

Molecular weight 552.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 5.58
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 43.63kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 32.66kcal/mol
Minimised FF energy -10.97kcal/mol

SASA & burial

✓ computed
SASA (unbound) 724.4Ų
Total solvent-accessible surface area of free ligand
BSA total 568.3Ų
Buried surface area upon binding
BSA apolar 462.9Ų
Hydrophobic contacts buried
BSA polar 105.3Ų
Polar contacts buried
Fraction buried 78.4%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 81.5%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -6560.3Ų
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 2087.9Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)