FAIRMol

Z28174049

Pose ID 7420 Compound 2819 Pose 646

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 Z28174049

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Reject SASA cached
Promising but geometrically suspicious
Binding strong Geometry low Native strong SASA done
Strain ΔE
54.1 kcal/mol
Protein clashes
3
Internal clashes
3
Native overlap
contact recall 0.61, Jaccard 0.61, H-bond role recall 0.60
Burial
69%
Hydrophobic fit
85%
Reason: strain 54.1 kcal/mol
strain ΔE 54.1 kcal/mol 3 protein-contact clashes 3 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.847 kcal/mol/HA) ✓ Good fit quality (FQ -7.90) ✓ Good H-bonds (3 bonds) ✓ Deep burial (69% SASA buried) ✓ Lipophilic contacts well-matched (85%) ✗ Extreme strain energy (54.1 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (8)
Score
-22.868
kcal/mol
LE
-0.847
kcal/mol/HA
Fit Quality
-7.90
FQ (Leeson)
HAC
27
heavy atoms
MW
378
Da
LogP
2.14
cLogP
Strain ΔE
54.1 kcal/mol
SASA buried
69%
Lipo contact
85% BSA apolar/total
SASA unbound
648 Ų
Apolar buried
379 Ų

Interaction summary

HB 3 HY 20 PI 3 CLASH 3
Final rank3.120Score-22.868
Inter norm-1.003Intra norm0.156
Top1000noExcludedno
Contacts11H-bonds3
Artifact reasongeometry warning; 8 clashes; 2 protein clashes; high strain Δ 54.1
Residues
ASN193 GLN220 GLU192 GLY191 HIS144 HIS222 LEU194 PHE189 PHE190 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 overlap11Native recall0.61
Jaccard0.61RMSD-
HB strict3Strict recall0.60
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
640 1.1710001800044987 -1.12849 -29.6882 4 18 0 0.00 0.00 - no Open
646 3.1195378590729232 -1.0027 -22.8684 3 11 11 0.61 0.60 - 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 -22.868kcal/mol
Ligand efficiency (LE) -0.8470kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.902
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 27HA

Physicochemical properties

Molecular weight 378.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.14
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)

Strain energy (ΔE) 54.06kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 174.91kcal/mol
Minimised FF energy 120.85kcal/mol

SASA & burial

✓ computed
SASA (unbound) 648.4Ų
Total solvent-accessible surface area of free ligand
BSA total 445.2Ų
Buried surface area upon binding
BSA apolar 378.6Ų
Hydrophobic contacts buried
BSA polar 66.6Ų
Polar contacts buried
Fraction buried 68.7%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 85.0%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1938.7Ų
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 988.8Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)