FAIRMol

KB_Leish_47

Pose ID 6892 Compound 2100 Pose 118

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_Leish_47

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Weak SASA cached
Promising but geometrically suspicious
Binding strong Geometry low Native strong SASA done
Strain ΔE
17.1 kcal/mol
Protein clashes
6
Internal clashes
6
Native overlap
contact recall 0.61, Jaccard 0.50, H-bond role recall 0.20
Burial
94%
Hydrophobic fit
84%
Reason: 6 internal clashes
6 protein-contact clashes 6 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.975 kcal/mol/HA) ✓ Good fit quality (FQ -8.73) ✓ Good H-bonds (4 bonds) ✓ Deep burial (94% SASA buried) ✓ Lipophilic contacts well-matched (84%) ✗ Moderate strain (17.1 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (11)
Score
-23.389
kcal/mol
LE
-0.975
kcal/mol/HA
Fit Quality
-8.73
FQ (Leeson)
HAC
24
heavy atoms
MW
338
Da
LogP
3.36
cLogP
Strain ΔE
17.1 kcal/mol
SASA buried
94%
Lipo contact
84% BSA apolar/total
SASA unbound
567 Ų
Apolar buried
451 Ų

Interaction summary

HB 4 HY 24 PI 6 CLASH 6

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 rank3.610Score-23.389
Inter norm-1.036Intra norm0.062
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
114 1.5860172937477603 -1.21455 -24.4039 5 15 0 0.00 0.00 - no Open
97 1.8505603394551924 -1.16929 -25.4341 9 11 1 0.06 0.00 - no Open
93 2.19739498584036 -1.11561 -31.8453 8 15 0 0.00 0.00 - no Open
70 2.7036207493563826 -1.08888 -29.501 12 16 0 0.00 0.00 - no Open
157 3.4093172975048245 -0.908923 -21.6596 4 11 0 0.00 0.00 - no Open
118 3.6102345461159344 -1.03637 -23.389 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 -23.389kcal/mol
Ligand efficiency (LE) -0.9745kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.734
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 24HA

Physicochemical properties

Molecular weight 337.8Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.36
Lipinski: ≤ 5
Rotatable bonds 4

Conformational strain (MMFF94s)

Strain energy (ΔE) 17.07kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 120.13kcal/mol
Minimised FF energy 103.06kcal/mol

SASA & burial

✓ computed
SASA (unbound) 567.3Ų
Total solvent-accessible surface area of free ligand
BSA total 533.8Ų
Buried surface area upon binding
BSA apolar 451.1Ų
Hydrophobic contacts buried
BSA polar 82.7Ų
Polar contacts buried
Fraction buried 94.1%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 84.5%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1913.5Ų
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 942.6Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)