FAIRMol

Z49606031

Pose ID 7393 Compound 2918 Pose 619

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 Z49606031

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
21.0 kcal/mol
Protein clashes
3
Internal clashes
3
Native overlap
contact recall 0.78, Jaccard 0.70, H-bond role recall 0.40
Burial
88%
Hydrophobic fit
73%
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 (-0.683 kcal/mol/HA) ✓ Good fit quality (FQ -6.45) ✓ Good H-bonds (5 bonds) ✓ Deep burial (88% SASA buried) ✓ Lipophilic contacts well-matched (73%) ✗ High strain energy (21.0 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (9)
Score
-19.138
kcal/mol
LE
-0.683
kcal/mol/HA
Fit Quality
-6.45
FQ (Leeson)
HAC
28
heavy atoms
MW
403
Da
LogP
2.04
cLogP
Strain ΔE
21.0 kcal/mol
SASA buried
88%
Lipo contact
73% BSA apolar/total
SASA unbound
687 Ų
Apolar buried
446 Ų

Interaction summary

HB 5 HY 24 PI 4 CLASH 3
Final rank3.057Score-19.138
Inter norm-0.912Intra norm0.229
Top1000noExcludedno
Contacts16H-bonds5
Artifact reasongeometry warning; 9 clashes; 2 protein clashes; moderate strain Δ 21.0
Residues
GLU192 GLY191 HIS144 HIS222 ILE126 LEU194 PHE189 PHE190 PHE51 PHE74 PRO223 PRO70 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
Jaccard0.70RMSD-
HB strict2Strict recall0.40
HB same residue+role2HB role recall0.40
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
591 2.575736968686273 -1.17244 -23.8569 4 20 0 0.00 0.00 - no Open
595 2.65130882111342 -1.28326 -28.0046 7 21 0 0.00 0.00 - no Open
619 3.05728268097349 -0.912384 -19.1381 5 16 14 0.78 0.40 - no Current
601 3.2501329553842218 -0.958986 -26.9388 11 15 0 0.00 0.00 - no Open
592 4.161214079419215 -0.790111 -19.9052 7 11 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 -19.138kcal/mol
Ligand efficiency (LE) -0.6835kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -6.452
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 28HA

Physicochemical properties

Molecular weight 403.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.04
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 20.96kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 18.63kcal/mol
Minimised FF energy -2.33kcal/mol

SASA & burial

✓ computed
SASA (unbound) 687.2Ų
Total solvent-accessible surface area of free ligand
BSA total 608.1Ų
Buried surface area upon binding
BSA apolar 446.2Ų
Hydrophobic contacts buried
BSA polar 161.9Ų
Polar contacts buried
Fraction buried 88.5%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 73.4%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1959.6Ų
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 928.1Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)