FAIRMol

Z28978240

Pose ID 7257 Compound 3657 Pose 483

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 Z28978240

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
31.2 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.83, Jaccard 0.79, H-bond role recall 0.20
Burial
77%
Hydrophobic fit
74%
Reason: no major geometry red flags detected
1 protein-contact clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.765 kcal/mol/HA) ✓ Good fit quality (FQ -7.38) ✓ Good H-bonds (4 bonds) ✓ Deep burial (77% SASA buried) ✓ Lipophilic contacts well-matched (74%) ✗ Very high strain energy (31.2 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (9)
Score
-22.965
kcal/mol
LE
-0.765
kcal/mol/HA
Fit Quality
-7.38
FQ (Leeson)
HAC
30
heavy atoms
MW
444
Da
LogP
2.50
cLogP
Strain ΔE
31.2 kcal/mol
SASA buried
77%
Lipo contact
74% BSA apolar/total
SASA unbound
709 Ų
Apolar buried
403 Ų

Interaction summary

HB 4 HY 24 PI 4 CLASH 1
Final rank1.762Score-22.965
Inter norm-0.816Intra norm0.051
Top1000noExcludedno
Contacts16H-bonds4
Artifact reasongeometry warning; 9 clashes; 1 protein clash; high strain Δ 31.2
Residues
ASN193 GLU192 GLY191 HIS144 HIS222 ILE126 LEU194 PHE189 PHE190 PHE199 PHE51 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 overlap15Native recall0.83
Jaccard0.79RMSD-
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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
511 0.39436596976904614 -0.715154 -21.5162 4 16 0 0.00 0.00 - no Open
483 1.7620362114443309 -0.816397 -22.9647 4 16 15 0.83 0.20 - no Current
490 2.610889302737764 -0.661563 -19.5593 5 13 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 -22.965kcal/mol
Ligand efficiency (LE) -0.7655kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.384
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 30HA

Physicochemical properties

Molecular weight 443.9Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.50
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 31.22kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -45.92kcal/mol
Minimised FF energy -77.14kcal/mol

SASA & burial

✓ computed
SASA (unbound) 709.3Ų
Total solvent-accessible surface area of free ligand
BSA total 545.2Ų
Buried surface area upon binding
BSA apolar 403.2Ų
Hydrophobic contacts buried
BSA polar 141.9Ų
Polar contacts buried
Fraction buried 76.9%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 74.0%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1963.4Ų
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 954.6Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)