FAIRMol

OSA_Lib_136

Pose ID 6935 Compound 3630 Pose 161

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_136

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
43.2 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 0.78, Jaccard 0.54, H-bond role recall 0.20
Burial
95%
Hydrophobic fit
99%
Reason: strain 43.2 kcal/mol
strain ΔE 43.2 kcal/mol 2 protein-contact clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.669 kcal/mol/HA) ✓ Good fit quality (FQ -6.70) ✓ Deep burial (95% SASA buried) ✓ Lipophilic contacts well-matched (99%) ✗ Extreme strain energy (43.2 kcal/mol) ✗ Geometry warnings ✗ Minor protein-contact clashes (3) ✗ Many internal clashes (14)
Score
-22.748
kcal/mol
LE
-0.669
kcal/mol/HA
Fit Quality
-6.70
FQ (Leeson)
HAC
34
heavy atoms
MW
463
Da
LogP
1.38
cLogP
Strain ΔE
43.2 kcal/mol
SASA buried
95%
Lipo contact
99% BSA apolar/total
SASA unbound
772 Ų
Apolar buried
722 Ų

Interaction summary

HB 2 HY 24 PI 0 CLASH 2
Final rank1.336Score-22.748
Inter norm-0.706Intra norm0.032
Top1000noExcludedno
Contacts22H-bonds2
Artifact reasongeometry warning; 14 clashes; 3 protein contact clashes; high strain Δ 43.2
Residues
ALA40 ASN125 GLN124 GLU192 GLY191 GLY39 HIS144 HIS222 ILE126 ILE48 LEU194 LEU95 PHE189 PHE190 PHE51 PHE74 PRO223 SER218 THR71 VAL187 VAL188 VAL221

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

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 overlap14Native recall0.78
Jaccard0.54RMSD-
HB strict1Strict recall0.20
HB same residue+role1HB role recall0.20
HB same residue1HB residue recall0.25

HB · H-bonds

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

PI · π–π interactions

No pi · π–π interactions detected for this pose.

HY · Hydrophobic contacts

CLASH · Clashes

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
161 1.3359415000360055 -0.706397 -22.7481 2 22 14 0.78 0.20 - 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 -22.748kcal/mol
Ligand efficiency (LE) -0.6691kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -6.695
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 34HA

Physicochemical properties

Molecular weight 462.7Da
Lipinski: ≤ 500 Da
LogP (cLogP) 1.38
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 43.24kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 270.61kcal/mol
Minimised FF energy 227.37kcal/mol

SASA & burial

✓ computed
SASA (unbound) 772.1Ų
Total solvent-accessible surface area of free ligand
BSA total 732.1Ų
Buried surface area upon binding
BSA apolar 722.5Ų
Hydrophobic contacts buried
BSA polar 9.6Ų
Polar contacts buried
Fraction buried 94.8%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 98.7%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2207.0Ų
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 935.5Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)