FAIRMol

Z56842317

Pose ID 7170 Compound 3807 Pose 396

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 Z56842317

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Weak SASA cached
Promising but geometrically suspicious
Binding strong Geometry low Native strong SASA done
Strain ΔE
29.9 kcal/mol
Protein clashes
7
Internal clashes
7
Native overlap
contact recall 0.78, Jaccard 0.78, H-bond role recall 0.80
Burial
70%
Hydrophobic fit
87%
Reason: 7 internal clashes
7 protein-contact clashes 7 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.891 kcal/mol/HA) ✓ Good fit quality (FQ -8.32) ✓ Strong H-bond network (8 bonds) ✓ Deep burial (70% SASA buried) ✓ Lipophilic contacts well-matched (87%) ✗ High strain energy (29.9 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (15)
Score
-24.067
kcal/mol
LE
-0.891
kcal/mol/HA
Fit Quality
-8.32
FQ (Leeson)
HAC
27
heavy atoms
MW
357
Da
LogP
4.55
cLogP
Strain ΔE
29.9 kcal/mol
SASA buried
70%
Lipo contact
87% BSA apolar/total
SASA unbound
622 Ų
Apolar buried
380 Ų

Interaction summary

HB 8 HY 22 PI 3 CLASH 7
Final rank3.868Score-24.067
Inter norm-0.957Intra norm0.066
Top1000noExcludedno
Contacts14H-bonds8
Artifact reasongeometry warning; 15 clashes; 1 protein clash; moderate strain Δ 29.9
Residues
ASN193 GLN220 GLU192 GLY191 HIS144 HIS222 LEU194 PHE189 PHE190 PHE74 PRO223 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
Jaccard0.78RMSD-
HB strict4Strict recall0.80
HB same residue+role4HB role recall0.80
HB same residue3HB residue recall0.75

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
370 2.2878071787038357 -1.23706 -31.864 5 20 0 0.00 0.00 - no Open
396 3.4140015678911206 -1.02716 -27.8406 7 16 0 0.00 0.00 - no Open
396 3.868341194239131 -0.956936 -24.067 8 14 14 0.78 0.80 - 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 -24.067kcal/mol
Ligand efficiency (LE) -0.8914kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.316
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 27HA

Physicochemical properties

Molecular weight 357.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.55
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 29.95kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 49.24kcal/mol
Minimised FF energy 19.30kcal/mol

SASA & burial

✓ computed
SASA (unbound) 622.3Ų
Total solvent-accessible surface area of free ligand
BSA total 437.5Ų
Buried surface area upon binding
BSA apolar 380.5Ų
Hydrophobic contacts buried
BSA polar 57.1Ų
Polar contacts buried
Fraction buried 70.3%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 87.0%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1951.1Ų
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 993.9Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)