FAIRMol

OSA_Lib_303

Pose ID 6941 Compound 3614 Pose 167

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_303

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 high Native strong SASA done
Strain ΔE
20.2 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.56, Jaccard 0.40, H-bond role recall 0.00
Burial
93%
Hydrophobic fit
95%
Reason: no major geometry red flags detected
1 protein-contact clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.740 kcal/mol/HA) ✓ Good fit quality (FQ -7.13) ✓ Deep burial (93% SASA buried) ✓ Lipophilic contacts well-matched (95%) ✗ High strain energy (20.2 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (13)
Score
-22.185
kcal/mol
LE
-0.740
kcal/mol/HA
Fit Quality
-7.13
FQ (Leeson)
HAC
30
heavy atoms
MW
399
Da
LogP
3.42
cLogP
Strain ΔE
20.2 kcal/mol
SASA buried
93%
Lipo contact
95% BSA apolar/total
SASA unbound
682 Ų
Apolar buried
606 Ų

Interaction summary

HB 1 HY 24 PI 4 CLASH 1

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

Final rank0.760Score-22.185
Inter norm-0.813Intra norm0.073
Top1000noExcludedno
Contacts17H-bonds1
Artifact reasongeometry warning; 13 clashes; 1 protein contact clash; moderate strain Δ 20.2
Residues
ALA40 ASN125 GLN124 HIS144 ILE126 ILE48 LEU194 LEU95 PHE189 PHE190 PHE51 PHE74 PRO70 THR71 VAL187 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
Jaccard0.40RMSD-
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
167 0.7603671833333169 -0.8127 -22.1851 1 17 10 0.56 0.00 - no Current
159 2.2161257495746955 -1.01216 -29.7833 4 20 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 -22.185kcal/mol
Ligand efficiency (LE) -0.7395kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.133
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 30HA

Physicochemical properties

Molecular weight 398.6Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.42
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)

Strain energy (ΔE) 20.24kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 91.64kcal/mol
Minimised FF energy 71.40kcal/mol

SASA & burial

✓ computed
SASA (unbound) 682.2Ų
Total solvent-accessible surface area of free ligand
BSA total 636.5Ų
Buried surface area upon binding
BSA apolar 606.2Ų
Hydrophobic contacts buried
BSA polar 30.3Ų
Polar contacts buried
Fraction buried 93.3%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 95.2%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2104.6Ų
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 927.3Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)