FAIRMol

KB_HAT_181

Pose ID 6883 Compound 321 Pose 109

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 KB_HAT_181

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
28.8 kcal/mol
Protein clashes
3
Internal clashes
3
Native overlap
contact recall 0.72, Jaccard 0.62, H-bond role recall 0.60
Burial
88%
Hydrophobic fit
73%
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 (-0.695 kcal/mol/HA) ✓ Good fit quality (FQ -6.40) ✓ Good H-bonds (5 bonds) ✓ Deep burial (88% SASA buried) ✓ Lipophilic contacts well-matched (73%) ✗ High strain energy (28.8 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (9)
Score
-18.064
kcal/mol
LE
-0.695
kcal/mol/HA
Fit Quality
-6.40
FQ (Leeson)
HAC
26
heavy atoms
MW
367
Da
LogP
1.58
cLogP
Strain ΔE
28.8 kcal/mol
SASA buried
88%
Lipo contact
73% BSA apolar/total
SASA unbound
604 Ų
Apolar buried
386 Ų

Interaction summary

HB 5 HY 17 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 rank3.638Score-18.064
Inter norm-0.980Intra norm0.285
Top1000noExcludedno
Contacts16H-bonds5
Artifact reasongeometry warning; 9 clashes; 2 protein clashes; moderate strain Δ 28.8
Residues
ALA40 GLN124 GLU192 GLY191 HIS144 HIS222 ILE126 LEU194 PHE189 PHE190 PRO223 SER218 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
Jaccard0.62RMSD-
HB strict3Strict recall0.60
HB same residue+role3HB role recall0.60
HB same residue3HB residue recall0.75

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
137 1.9022794263099 -1.34289 -30.942 5 20 0 0.00 0.00 - no Open
142 1.9730616019824003 -1.0168 -23.1832 5 18 0 0.00 0.00 - no Open
59 2.0234056799141285 -1.08422 -20.7112 3 12 1 0.06 0.00 - no Open
101 2.6385765289625702 -1.01508 -25.6628 7 16 0 0.00 0.00 - no Open
89 2.6510408886962784 -1.16496 -29.9812 11 12 1 0.06 0.00 - no Open
113 3.5425556775037705 -0.799775 -14.3909 4 12 0 0.00 0.00 - no Open
109 3.6384092401026855 -0.980049 -18.0641 5 16 13 0.72 0.60 - no Current
84 3.694269250931205 -1.32151 -32.4281 13 23 0 0.00 0.00 - no Open
60 4.823393547826033 -1.03292 -21.9275 13 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 -18.064kcal/mol
Ligand efficiency (LE) -0.6948kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -6.401
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 26HA

Physicochemical properties

Molecular weight 367.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 1.58
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)

Strain energy (ΔE) 28.85kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -142.42kcal/mol
Minimised FF energy -171.26kcal/mol

SASA & burial

✓ computed
SASA (unbound) 603.5Ų
Total solvent-accessible surface area of free ligand
BSA total 528.6Ų
Buried surface area upon binding
BSA apolar 386.1Ų
Hydrophobic contacts buried
BSA polar 142.6Ų
Polar contacts buried
Fraction buried 87.6%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 73.0%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1857.6Ų
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 947.1Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)