FAIRMol

OSA_Lib_11

Pose ID 6928 Compound 3616 Pose 154

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T11
L. infantum SIR2 L. infantum
Ligand OSA_Lib_11

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Weak SASA cached
Promising but geometrically suspicious
Binding strong Geometry low Native strong SASA done
Strain ΔE
22.5 kcal/mol
Protein clashes
0
Internal clashes
15
Native overlap
contact recall 0.56, Jaccard 0.38, H-bond role recall 0.00
Burial
92%
Hydrophobic fit
100%
Reason: 15 internal clashes
15 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.653 kcal/mol/HA) ✓ Good fit quality (FQ -6.54) ✓ Deep burial (92% SASA buried) ✓ Lipophilic contacts well-matched (100%) ✗ High strain energy (22.5 kcal/mol) ✗ No H-bonds detected ✗ Geometry warnings ✗ Many internal clashes (15)
Score
-22.220
kcal/mol
LE
-0.653
kcal/mol/HA
Fit Quality
-6.54
FQ (Leeson)
HAC
34
heavy atoms
MW
452
Da
LogP
5.08
cLogP
Strain ΔE
22.5 kcal/mol
SASA buried
92%
Lipo contact
100% BSA apolar/total
SASA unbound
761 Ų
Apolar buried
701 Ų

Interaction summary

HB 0 HY 24 PI 4 CLASH 0

HB · H-bonds

No hb · h-bonds detected for this pose.

PI · π–π interactions

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

HY · Hydrophobic contacts

CLASH · Clashes

No clash · clashes detected for this pose.
Final rank0.894Score-22.220
Inter norm-0.713Intra norm0.059
Top1000noExcludedno
Contacts18H-bonds0
Artifact reasongeometry warning; 15 clashes; moderate strain Δ 22.5
Residues
ALA40 ASN125 GLN124 GLY191 HIS144 ILE126 ILE48 LEU194 LEU95 PHE189 PHE190 PHE51 PHE74 PRO70 SER218 THR71 VAL188 VAL221

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name5OL0Contacts18
PoseOpen native poseHB0
IFP residues
ASN193 GLN220 GLU192 GLY191 HIS144 HIS222 ILE126 LEU194 LEU226 PHE189 PHE190 PHE199 PHE74 PRO223 THR71 VAL187 VAL188 VAL221
Current overlap10Native recall0.56
Jaccard0.38RMSD-
HB strict0Strict recall0.00
HB same residue+role0HB role recall0.00
HB same residue0HB residue recall0.00

Protein summary

287 residues
Protein targetT11Atoms4391
Residues287Chains1
Residue summaryLEU:627; ARG:432; VAL:384; GLU:316; PHE:300; ILE:285; ALA:260; PRO:238; HIS:187; ASP:157; LYS:154; SER:154; THR:154; GLY:147; ASN:140; TYR:126

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
154 0.8941481843565587 -0.712543 -22.2196 0 18 10 0.56 0.00 - no Current

Molecular metrics

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

Scoring & efficiency

Docking score -22.220kcal/mol
Ligand efficiency (LE) -0.6535kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -6.539
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 34HA

Physicochemical properties

Molecular weight 451.7Da
Lipinski: ≤ 500 Da
LogP (cLogP) 5.08
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 22.53kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 128.04kcal/mol
Minimised FF energy 105.52kcal/mol

SASA & burial

✓ computed
SASA (unbound) 761.0Ų
Total solvent-accessible surface area of free ligand
BSA total 703.6Ų
Buried surface area upon binding
BSA apolar 700.5Ų
Hydrophobic contacts buried
BSA polar 3.1Ų
Polar contacts buried
Fraction buried 92.5%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 99.6%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2218.8Ų
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 2380.0Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 919.1Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)