FAIRMol

KB_HAT_108

Pose ID 6870 Compound 821 Pose 96

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 KB_HAT_108

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
39.9 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 0.61, Jaccard 0.44, H-bond role recall 0.40
Burial
92%
Hydrophobic fit
85%
Reason: no major geometry red flags detected
2 protein-contact clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.769 kcal/mol/HA) ✓ Good fit quality (FQ -7.08) ✓ Strong H-bond network (6 bonds) ✓ Deep burial (92% SASA buried) ✓ Lipophilic contacts well-matched (85%) ✗ Very high strain energy (39.9 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (10)
Score
-19.990
kcal/mol
LE
-0.769
kcal/mol/HA
Fit Quality
-7.08
FQ (Leeson)
HAC
26
heavy atoms
MW
424
Da
LogP
2.94
cLogP
Strain ΔE
39.9 kcal/mol
SASA buried
92%
Lipo contact
85% BSA apolar/total
SASA unbound
623 Ų
Apolar buried
489 Ų

Interaction summary

HB 6 HY 20 PI 3 CLASH 2

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 rank2.225Score-19.990
Inter norm-0.981Intra norm0.213
Top1000noExcludedno
Contacts18H-bonds6
Artifact reasongeometry warning; 10 clashes; 1 protein clash; high strain Δ 39.9
Residues
ALA40 ASN125 GLN124 GLY191 GLY39 HIS144 HIS222 ILE126 LEU194 PHE189 PHE190 PHE51 PHE74 PRO223 SER218 THR217 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 overlap11Native recall0.61
Jaccard0.44RMSD-
HB strict2Strict recall0.40
HB same residue+role2HB role recall0.40
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
118 1.679070958897312 -0.990653 -16.9014 5 19 0 0.00 0.00 - no Open
96 2.1404485338200856 -0.907212 -17.1648 4 20 0 0.00 0.00 - no Open
96 2.224977979710623 -0.981451 -19.9899 6 18 11 0.61 0.40 - no Current
100 3.3899381258696657 -0.826209 -21.5758 7 14 0 0.00 0.00 - no Open
129 4.486299856448621 -0.755038 -13.3141 4 10 0 0.00 0.00 - no Open
51 4.619208262629881 -0.940757 -21.9289 9 17 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 -19.990kcal/mol
Ligand efficiency (LE) -0.7688kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.084
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 26HA

Physicochemical properties

Molecular weight 424.3Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.94
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 39.91kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -46.49kcal/mol
Minimised FF energy -86.40kcal/mol

SASA & burial

✓ computed
SASA (unbound) 623.2Ų
Total solvent-accessible surface area of free ligand
BSA total 575.9Ų
Buried surface area upon binding
BSA apolar 489.0Ų
Hydrophobic contacts buried
BSA polar 86.9Ų
Polar contacts buried
Fraction buried 92.4%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 84.9%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1952.7Ų
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 952.8Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)