FAIRMol

KB_Leish_101

Pose ID 6896 Compound 3637 Pose 122

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_Leish_101

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
20.5 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.72, Jaccard 0.72, H-bond role recall 0.60
Burial
75%
Hydrophobic fit
81%
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 (-1.142 kcal/mol/HA) ✓ Good fit quality (FQ -10.23) ✓ Strong H-bond network (8 bonds) ✓ Deep burial (75% SASA buried) ✓ Lipophilic contacts well-matched (81%) ✗ High strain energy (20.5 kcal/mol) ✗ Geometry warnings
Score
-27.401
kcal/mol
LE
-1.142
kcal/mol/HA
Fit Quality
-10.23
FQ (Leeson)
HAC
24
heavy atoms
MW
341
Da
LogP
2.23
cLogP
Strain ΔE
20.5 kcal/mol
SASA buried
75%
Lipo contact
81% BSA apolar/total
SASA unbound
624 Ų
Apolar buried
379 Ų

Interaction summary

HB 8 HY 23 PI 6 CLASH 1

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 rank1.429Score-27.401
Inter norm-1.057Intra norm-0.085
Top1000noExcludedno
Contacts13H-bonds8
Artifact reasongeometry warning; 3 clashes; 1 protein clash; moderate strain Δ 20.5
Residues
GLN220 GLY191 HIS144 HIS222 ILE126 LEU194 PHE189 PHE190 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 overlap13Native recall0.72
Jaccard0.72RMSD-
HB strict3Strict recall0.60
HB same residue+role3HB role recall0.60
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
122 1.4294401613670145 -1.05673 -27.4014 8 13 13 0.72 0.60 - no Current
118 1.6978978953307686 -1.37463 -35.9825 4 16 0 0.00 0.00 - no Open
161 2.8925039998401707 -0.843529 -22.6019 5 7 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 -27.401kcal/mol
Ligand efficiency (LE) -1.1417kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -10.232
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 24HA

Physicochemical properties

Molecular weight 341.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.23
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)

Strain energy (ΔE) 20.48kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -14.67kcal/mol
Minimised FF energy -35.15kcal/mol

SASA & burial

✓ computed
SASA (unbound) 624.2Ų
Total solvent-accessible surface area of free ligand
BSA total 466.3Ų
Buried surface area upon binding
BSA apolar 379.2Ų
Hydrophobic contacts buried
BSA polar 87.1Ų
Polar contacts buried
Fraction buried 74.7%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 81.3%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1949.9Ų
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 966.4Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)