FAIRMol

KB_Leish_2

Pose ID 6888 Compound 412 Pose 114

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_2

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
15.8 kcal/mol
Protein clashes
5
Internal clashes
5
Native overlap
contact recall 0.61, Jaccard 0.50, H-bond role recall 0.20
Burial
94%
Hydrophobic fit
84%
Reason: no major geometry red flags detected
5 protein-contact clashes 5 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.949 kcal/mol/HA) ✓ Good fit quality (FQ -8.50) ✓ Good H-bonds (4 bonds) ✓ Deep burial (94% SASA buried) ✓ Lipophilic contacts well-matched (84%) ✗ Moderate strain (15.8 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (11)
Score
-22.768
kcal/mol
LE
-0.949
kcal/mol/HA
Fit Quality
-8.50
FQ (Leeson)
HAC
24
heavy atoms
MW
321
Da
LogP
2.85
cLogP
Strain ΔE
15.8 kcal/mol
SASA buried
94%
Lipo contact
84% BSA apolar/total
SASA unbound
552 Ų
Apolar buried
434 Ų

Interaction summary

HB 4 HY 24 PI 6 CLASH 5

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 rank3.487Score-22.768
Inter norm-1.007Intra norm0.058
Top1000noExcludedno
Contacts15H-bonds4
Artifact reasongeometry warning; 11 clashes; 2 protein clashes
Residues
ASN125 GLN124 HIS144 HIS222 ILE126 ILE48 LEU194 PHE189 PHE190 PHE51 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 overlap11Native recall0.61
Jaccard0.50RMSD-
HB strict1Strict recall0.20
HB same residue+role1HB role recall0.20
HB same residue1HB residue recall0.25

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
103 1.6777422230515087 -1.12899 -22.7159 5 15 0 0.00 0.00 - no Open
148 2.4084950130068776 -1.09591 -26.5384 4 14 0 0.00 0.00 - no Open
62 2.888449860517804 -1.01834 -28.9604 13 15 0 0.00 0.00 - no Open
114 3.487018371197951 -1.00669 -22.768 4 15 11 0.61 0.20 - no Current

Molecular metrics

RDKit SASA burial, strain energy (MMFF94s), ligand efficiency and fit quality for this docking pose.
✓ Metrics available

Scoring & efficiency

Docking score -22.768kcal/mol
Ligand efficiency (LE) -0.9487kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.502
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 24HA

Physicochemical properties

Molecular weight 321.3Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.85
Lipinski: ≤ 5
Rotatable bonds 4

Conformational strain (MMFF94s)

Strain energy (ΔE) 15.78kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 119.27kcal/mol
Minimised FF energy 103.48kcal/mol

SASA & burial

✓ computed
SASA (unbound) 551.9Ų
Total solvent-accessible surface area of free ligand
BSA total 518.0Ų
Buried surface area upon binding
BSA apolar 434.4Ų
Hydrophobic contacts buried
BSA polar 83.6Ų
Polar contacts buried
Fraction buried 93.9%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 83.9%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1898.5Ų
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 941.3Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)