FAIRMol

OSA_Lib_304

Pose ID 6942 Compound 3001 Pose 168

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_304

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 mixed SASA done
Strain ΔE
18.1 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.50, Jaccard 0.33, H-bond role recall 0.00
Burial
90%
Hydrophobic fit
97%
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 (-0.773 kcal/mol/HA) ✓ Good fit quality (FQ -7.46) ✓ Good H-bonds (3 bonds) ✓ Deep burial (90% SASA buried) ✓ Lipophilic contacts well-matched (97%) ✗ Moderate strain (18.1 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (15)
Score
-23.189
kcal/mol
LE
-0.773
kcal/mol/HA
Fit Quality
-7.46
FQ (Leeson)
HAC
30
heavy atoms
MW
399
Da
LogP
3.42
cLogP
Strain ΔE
18.1 kcal/mol
SASA buried
90%
Lipo contact
97% BSA apolar/total
SASA unbound
647 Ų
Apolar buried
566 Ų

Interaction summary

HB 3 HY 24 PI 4 CLASH 1
Final rank2.280Score-23.189
Inter norm-0.821Intra norm0.046
Top1000noExcludedno
Contacts18H-bonds3
Artifact reasongeometry warning; 15 clashes; 1 protein clash
Residues
ALA40 ASN125 GLN124 GLY39 HIS144 ILE126 LEU95 PHE189 PHE190 PHE51 PHE74 PRO70 SER218 THR217 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 overlap9Native recall0.50
Jaccard0.33RMSD-
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
189 0.5780943507847642 -1.09423 -31.9513 1 16 0 0.00 0.00 - no Open
168 2.2795006837030733 -0.820765 -23.1886 3 18 9 0.50 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 -23.189kcal/mol
Ligand efficiency (LE) -0.7730kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.456
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) 18.13kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 117.87kcal/mol
Minimised FF energy 99.74kcal/mol

SASA & burial

✓ computed
SASA (unbound) 646.8Ų
Total solvent-accessible surface area of free ligand
BSA total 584.2Ų
Buried surface area upon binding
BSA apolar 566.3Ų
Hydrophobic contacts buried
BSA polar 17.9Ų
Polar contacts buried
Fraction buried 90.3%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 96.9%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2071.1Ų
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 937.8Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)