FAIRMol

Z31183768

Pose ID 7193 Compound 45 Pose 419

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 Z31183768

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
38.0 kcal/mol
Protein clashes
3
Internal clashes
3
Native overlap
contact recall 0.67, Jaccard 0.67, H-bond role recall 0.60
Burial
62%
Hydrophobic fit
74%
Reason: no major geometry red flags detected
3 protein-contact clashes 3 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.809 kcal/mol/HA) ✓ Good fit quality (FQ -7.81) ✓ Good H-bonds (5 bonds) ✓ Good burial (62% SASA buried) ✓ Lipophilic contacts well-matched (74%) ✗ Very high strain energy (38.0 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (9)
Score
-24.286
kcal/mol
LE
-0.809
kcal/mol/HA
Fit Quality
-7.81
FQ (Leeson)
HAC
30
heavy atoms
MW
461
Da
LogP
4.40
cLogP
Strain ΔE
38.0 kcal/mol
SASA buried
62%
Lipo contact
74% BSA apolar/total
SASA unbound
721 Ų
Apolar buried
332 Ų

Interaction summary

HB 5 HY 20 PI 4 CLASH 3
Final rank2.302Score-24.286
Inter norm-0.810Intra norm0.001
Top1000noExcludedno
Contacts12H-bonds5
Artifact reasongeometry warning; 9 clashes; 1 protein clash; high strain Δ 38.0
Residues
GLN220 GLU192 GLY191 HIS144 HIS222 LEU194 PHE189 PHE190 PRO223 THR71 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 overlap12Native recall0.67
Jaccard0.67RMSD-
HB strict2Strict recall0.40
HB same residue+role3HB role recall0.60
HB same residue2HB residue recall0.50

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
491 0.6568242934034779 -0.855812 -26.9155 1 19 0 0.00 0.00 - no Open
461 1.4757152030497325 -0.727168 -18.8759 4 13 0 0.00 0.00 - no Open
419 2.301587904267888 -0.810249 -24.2859 5 12 12 0.67 0.60 - no Current
482 2.4509505637358693 -0.954137 -28.3986 5 15 0 0.00 0.00 - no Open
397 2.6910133316567784 -1.10832 -33.2889 9 20 0 0.00 0.00 - no Open
433 3.1237119935793745 -1.03561 -30.7711 8 19 0 0.00 0.00 - no Open
403 3.806388656164234 -0.820277 -23.8419 13 15 0 0.00 0.00 - no Open
434 3.821146497143834 -0.80197 -21.889 8 11 0 0.00 0.00 - no Open
396 3.989000081121798 -0.947387 -21.9904 7 10 0 0.00 0.00 - no Open
519 4.4009244236670835 -0.83158 -24.0403 6 14 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 -24.286kcal/mol
Ligand efficiency (LE) -0.8095kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.809
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 30HA

Physicochemical properties

Molecular weight 461.0Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.40
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)

Strain energy (ΔE) 38.04kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 67.83kcal/mol
Minimised FF energy 29.80kcal/mol

SASA & burial

✓ computed
SASA (unbound) 720.7Ų
Total solvent-accessible surface area of free ligand
BSA total 449.1Ų
Buried surface area upon binding
BSA apolar 331.9Ų
Hydrophobic contacts buried
BSA polar 117.2Ų
Polar contacts buried
Fraction buried 62.3%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 73.9%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1959.9Ų
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 987.4Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)