FAIRMol

OSA_Lib_50

Pose ID 6930 Compound 1027 Pose 156

DB fairmolDocking 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_50

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Weak SASA cached
Weak or marginal quality
Binding strong Geometry medium Native strong SASA done
Strain ΔE
23.4 kcal/mol
Protein clashes
4
Internal clashes
4
Native overlap
contact recall 0.67, Jaccard 0.67, H-bond role recall 0.20
Burial
58%
Hydrophobic fit
94%
Reason: no major geometry red flags detected
4 protein-contact clashes 4 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.664 kcal/mol/HA) ✓ Good fit quality (FQ -6.80) ✓ Good burial (58% SASA buried) ✓ Lipophilic contacts well-matched (94%) ✗ High strain energy (23.4 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (16)
Score
-24.576
kcal/mol
LE
-0.664
kcal/mol/HA
Fit Quality
-6.80
FQ (Leeson)
HAC
37
heavy atoms
MW
503
Da
LogP
1.49
cLogP
Strain ΔE
23.4 kcal/mol
SASA buried
58%
Lipo contact
94% BSA apolar/total
SASA unbound
856 Ų
Apolar buried
467 Ų

Interaction summary

HB 2 HY 24 PI 0 CLASH 4

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

Final rank3.126Score-24.576
Inter norm-0.644Intra norm-0.021
Top1000noExcludedno
Contacts12H-bonds2
Artifact reasongeometry warning; 16 clashes; 1 protein clash; moderate strain Δ 23.4
Residues
GLN220 GLU192 GLY191 HIS144 HIS222 LEU194 PHE189 PHE190 PRO223 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 overlap12Native recall0.67
Jaccard0.67RMSD-
HB strict1Strict recall0.20
HB same residue+role1HB role recall0.20
HB same residue1HB residue recall0.25

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
156 3.12578703753263 -0.643629 -24.5765 2 12 12 0.67 0.20 - no Current
190 3.75995666273041 -0.686406 -18.9174 3 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 -24.576kcal/mol
Ligand efficiency (LE) -0.6642kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -6.800
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 37HA

Physicochemical properties

Molecular weight 502.8Da
Lipinski: ≤ 500 Da
LogP (cLogP) 1.49
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 23.36kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 225.87kcal/mol
Minimised FF energy 202.51kcal/mol

SASA & burial

✓ computed
SASA (unbound) 856.0Ų
Total solvent-accessible surface area of free ligand
BSA total 496.4Ų
Buried surface area upon binding
BSA apolar 467.4Ų
Hydrophobic contacts buried
BSA polar 29.0Ų
Polar contacts buried
Fraction buried 58.0%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 94.2%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2209.0Ų
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 996.6Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)