FAIRMol

KB_HAT_52

Pose ID 6868 Compound 3761 Pose 94

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_52

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 high Native strong SASA done
Strain ΔE
16.7 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 0.67, Jaccard 0.57, H-bond role recall 0.40
Burial
85%
Hydrophobic fit
81%
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 (-0.848 kcal/mol/HA) ✓ Good fit quality (FQ -7.71) ✓ Strong H-bond network (6 bonds) ✓ Deep burial (85% SASA buried) ✓ Lipophilic contacts well-matched (81%) ✗ Moderate strain (16.7 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (11)
Score
-21.209
kcal/mol
LE
-0.848
kcal/mol/HA
Fit Quality
-7.71
FQ (Leeson)
HAC
25
heavy atoms
MW
329
Da
LogP
3.72
cLogP
Strain ΔE
16.7 kcal/mol
SASA buried
85%
Lipo contact
81% BSA apolar/total
SASA unbound
616 Ų
Apolar buried
421 Ų

Interaction summary

HB 6 HY 21 PI 2 CLASH 2
Final rank3.131Score-21.209
Inter norm-0.946Intra norm0.098
Top1000noExcludedno
Contacts15H-bonds6
Artifact reasongeometry warning; 11 clashes; 2 protein clashes
Residues
ALA40 ASN125 GLN124 GLU192 GLY191 HIS144 HIS222 ILE126 LEU194 PHE189 PHE190 PHE74 PRO223 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 overlap12Native recall0.67
Jaccard0.57RMSD-
HB strict2Strict recall0.40
HB same residue+role2HB role recall0.40
HB same residue2HB residue recall0.50

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
94 3.1310999416635887 -0.945983 -21.2095 6 15 12 0.67 0.40 - no Current
128 3.4562687751607286 -0.884736 -20.8772 8 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 -21.209kcal/mol
Ligand efficiency (LE) -0.8484kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.713
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 25HA

Physicochemical properties

Molecular weight 329.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.72
Lipinski: ≤ 5
Rotatable bonds 4

Conformational strain (MMFF94s)

Strain energy (ΔE) 16.71kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -29.37kcal/mol
Minimised FF energy -46.08kcal/mol

SASA & burial

✓ computed
SASA (unbound) 615.5Ų
Total solvent-accessible surface area of free ligand
BSA total 522.7Ų
Buried surface area upon binding
BSA apolar 421.1Ų
Hydrophobic contacts buried
BSA polar 101.6Ų
Polar contacts buried
Fraction buried 84.9%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 80.6%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1907.2Ų
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 968.5Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)