FAIRMol

Z49724748

Pose ID 7339 Compound 957 Pose 565

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 Z49724748

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
31.9 kcal/mol
Protein clashes
0
Internal clashes
11
Native overlap
contact recall 0.61, Jaccard 0.50, H-bond role recall 0.20
Burial
79%
Hydrophobic fit
72%
Reason: 11 internal clashes
11 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.947 kcal/mol/HA) ✓ Good fit quality (FQ -8.61) ✓ Good H-bonds (5 bonds) ✓ Deep burial (79% SASA buried) ✓ Lipophilic contacts well-matched (72%) ✗ Very high strain energy (31.9 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (11)
Score
-23.668
kcal/mol
LE
-0.947
kcal/mol/HA
Fit Quality
-8.61
FQ (Leeson)
HAC
25
heavy atoms
MW
425
Da
LogP
3.43
cLogP
Strain ΔE
31.9 kcal/mol
SASA buried
79%
Lipo contact
72% BSA apolar/total
SASA unbound
646 Ų
Apolar buried
366 Ų

Interaction summary

HB 5 HY 24 PI 2 CLASH 0
Final rank2.031Score-23.668
Inter norm-1.075Intra norm0.128
Top1000noExcludedno
Contacts15H-bonds5
Artifact reasongeometry warning; 11 clashes; 1 protein clash; high strain Δ 31.9
Residues
ASN125 GLN124 GLU192 GLY191 HIS144 HIS222 ILE126 LEU194 LEU95 PHE189 PHE190 PHE51 PHE74 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
Jaccard0.50RMSD-
HB strict1Strict recall0.20
HB same residue+role1HB role recall0.20
HB same residue1HB residue recall0.25

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

No clash · clashes detected for this pose.

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
552 1.3501140840050618 -1.01819 -25.9156 7 12 0 0.00 0.00 - no Open
535 2.0295329412415035 -0.936152 -20.9858 3 17 0 0.00 0.00 - no Open
565 2.030758577953551 -1.0749 -23.6676 5 15 11 0.61 0.20 - no Current
566 2.6284363448160746 -1.14537 -25.5199 7 17 0 0.00 0.00 - no Open
545 4.031491655979357 -0.996353 -24.5498 9 10 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 -23.668kcal/mol
Ligand efficiency (LE) -0.9467kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.606
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 25HA

Physicochemical properties

Molecular weight 425.3Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.43
Lipinski: ≤ 5
Rotatable bonds 8

Conformational strain (MMFF94s)

Strain energy (ΔE) 31.85kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 113.18kcal/mol
Minimised FF energy 81.33kcal/mol

SASA & burial

✓ computed
SASA (unbound) 646.4Ų
Total solvent-accessible surface area of free ligand
BSA total 508.5Ų
Buried surface area upon binding
BSA apolar 365.6Ų
Hydrophobic contacts buried
BSA polar 142.9Ų
Polar contacts buried
Fraction buried 78.7%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 71.9%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1855.4Ų
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 1020.3Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)