FAIRMol

Z19456393

Pose ID 7286 Compound 2374 Pose 512

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 Z19456393

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
25.9 kcal/mol
Protein clashes
3
Internal clashes
3
Native overlap
contact recall 0.83, Jaccard 0.79, H-bond role recall 0.20
Burial
80%
Hydrophobic fit
69%
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 (-0.777 kcal/mol/HA) ✓ Good fit quality (FQ -7.41) ✓ Good H-bonds (5 bonds) ✓ Deep burial (80% SASA buried) ✓ Lipophilic contacts well-matched (69%) ✗ High strain energy (25.9 kcal/mol) ✗ Geometry warnings ✗ Protein-contact clashes (8) ✗ Internal clashes (6)
Score
-22.524
kcal/mol
LE
-0.777
kcal/mol/HA
Fit Quality
-7.41
FQ (Leeson)
HAC
29
heavy atoms
MW
428
Da
LogP
4.13
cLogP
Strain ΔE
25.9 kcal/mol
SASA buried
80%
Lipo contact
69% BSA apolar/total
SASA unbound
679 Ų
Apolar buried
376 Ų

Interaction summary

HB 5 HY 24 PI 3 CLASH 3

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

Final rank1.237Score-22.524
Inter norm-0.875Intra norm0.098
Top1000noExcludedno
Contacts16H-bonds5
Artifact reasongeometry warning; 6 clashes; 8 protein contact clashes; moderate strain Δ 25.9
Residues
ASN193 GLU192 GLY191 HIS144 HIS222 ILE126 LEU194 PHE189 PHE190 PHE199 PHE51 PHE74 PRO223 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 overlap15Native recall0.83
Jaccard0.79RMSD-
HB strict1Strict recall0.20
HB same residue+role1HB role recall0.20
HB same residue2HB residue recall0.50

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
499 0.28188258935004173 -0.856669 -20.9847 2 20 0 0.00 0.00 - no Open
126 1.1865445839651154 -0.779382 -19.7942 3 19 0 0.00 0.00 - no Open
512 1.2366826255586705 -0.874831 -22.5239 5 16 15 0.83 0.20 - no Current
78 3.5670654843548903 -0.88238 -25.2748 10 16 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 -22.524kcal/mol
Ligand efficiency (LE) -0.7767kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.414
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 29HA

Physicochemical properties

Molecular weight 427.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.13
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 25.91kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 71.58kcal/mol
Minimised FF energy 45.67kcal/mol

SASA & burial

✓ computed
SASA (unbound) 678.6Ų
Total solvent-accessible surface area of free ligand
BSA total 543.8Ų
Buried surface area upon binding
BSA apolar 375.8Ų
Hydrophobic contacts buried
BSA polar 168.1Ų
Polar contacts buried
Fraction buried 80.1%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 69.1%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1900.7Ų
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 963.0Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)