FAIRMol

Z50138312

Pose ID 7199 Compound 2556 Pose 425

DB fairmolDocking 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 Z50138312

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
16.3 kcal/mol
Protein clashes
0
Internal clashes
14
Native overlap
contact recall 0.72, Jaccard 0.54, H-bond role recall 0.00
Burial
82%
Hydrophobic fit
89%
Reason: 14 internal clashes
14 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.777 kcal/mol/HA) ✓ Good fit quality (FQ -7.71) ✓ Good H-bonds (4 bonds) ✓ Deep burial (82% SASA buried) ✓ Lipophilic contacts well-matched (89%) ✗ Moderate strain (16.3 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (14)
Score
-25.631
kcal/mol
LE
-0.777
kcal/mol/HA
Fit Quality
-7.71
FQ (Leeson)
HAC
33
heavy atoms
MW
438
Da
LogP
3.72
cLogP
Strain ΔE
16.3 kcal/mol
SASA buried
82%
Lipo contact
89% BSA apolar/total
SASA unbound
743 Ų
Apolar buried
540 Ų

Interaction summary

HB 4 HY 24 PI 4 CLASH 0

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.
Final rank2.012Score-25.631
Inter norm-0.800Intra norm0.023
Top1000noExcludedno
Contacts19H-bonds4
Artifact reasongeometry warning; 14 clashes; 1 protein clash
Residues
ALA40 ASN125 GLN124 GLU192 GLY191 GLY39 HIS144 HIS222 ILE126 LEU194 PHE189 PHE190 PHE74 SER218 THR217 THR71 VAL187 VAL188 VAL221

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 overlap13Native recall0.72
Jaccard0.54RMSD-
HB strict0Strict recall0.00
HB same residue+role0HB role recall0.00
HB same residue0HB residue recall0.00

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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
418 1.606051960050609 -0.762141 -24.9103 1 18 0 0.00 0.00 - no Open
425 2.011850934217598 -0.799596 -25.6315 4 19 13 0.72 0.00 - no Current
445 2.940249651763982 -0.79876 -25.4429 1 18 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 -25.631kcal/mol
Ligand efficiency (LE) -0.7767kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.706
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 33HA

Physicochemical properties

Molecular weight 438.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.72
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 16.27kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -84.86kcal/mol
Minimised FF energy -101.13kcal/mol

SASA & burial

✓ computed
SASA (unbound) 743.1Ų
Total solvent-accessible surface area of free ligand
BSA total 608.2Ų
Buried surface area upon binding
BSA apolar 540.0Ų
Hydrophobic contacts buried
BSA polar 68.1Ų
Polar contacts buried
Fraction buried 81.8%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 88.8%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2079.9Ų
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 963.2Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)