FAIRMol

KB_Leish_39

Pose ID 6890 Compound 554 Pose 116

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_39

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Reject SASA cached
Likely artefact or unreliable pose
Binding strong Geometry medium Native strong SASA done
Strain ΔE
40.9 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 0.78, Jaccard 0.70, H-bond role recall 0.40
Burial
70%
Hydrophobic fit
86%
Reason: no major geometry red flags detected
2 protein-contact clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.640 kcal/mol/HA) ✓ Good fit quality (FQ -6.55) ✓ Deep burial (70% SASA buried) ✓ Lipophilic contacts well-matched (86%) ✗ Extreme strain energy (40.9 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (18)
Score
-23.668
kcal/mol
LE
-0.640
kcal/mol/HA
Fit Quality
-6.55
FQ (Leeson)
HAC
37
heavy atoms
MW
498
Da
LogP
2.19
cLogP
Strain ΔE
40.9 kcal/mol
SASA buried
70%
Lipo contact
86% BSA apolar/total
SASA unbound
828 Ų
Apolar buried
498 Ų

Interaction summary

HB 2 HY 24 PI 5 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 rank3.357Score-23.668
Inter norm-0.667Intra norm0.027
Top1000noExcludedno
Contacts16H-bonds2
Artifact reasongeometry warning; 18 clashes; 1 protein clash; high strain Δ 40.8
Residues
GLN220 GLY191 HIS144 HIS222 ILE126 LEU194 PHE189 PHE190 PHE51 PHE74 PRO223 PRO70 THR71 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 overlap14Native recall0.78
Jaccard0.70RMSD-
HB strict2Strict recall0.40
HB same residue+role2HB role recall0.40
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
138 2.2200071524537455 -0.72598 -26.0638 3 17 0 0.00 0.00 - no Open
154 3.2345112089005923 -0.801538 -28.9843 5 21 0 0.00 0.00 - no Open
116 3.357421775228675 -0.666954 -23.6678 2 16 14 0.78 0.40 - no Current
150 3.765454442357164 -0.548404 -19.8855 6 10 0 0.00 0.00 - no Open
154 4.2674717542737 -0.656274 -22.3533 9 11 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 -23.668kcal/mol
Ligand efficiency (LE) -0.6397kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -6.549
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 37HA

Physicochemical properties

Molecular weight 497.6Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.19
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 40.87kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 31.66kcal/mol
Minimised FF energy -9.21kcal/mol

SASA & burial

✓ computed
SASA (unbound) 828.2Ų
Total solvent-accessible surface area of free ligand
BSA total 578.5Ų
Buried surface area upon binding
BSA apolar 498.4Ų
Hydrophobic contacts buried
BSA polar 80.0Ų
Polar contacts buried
Fraction buried 69.8%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 86.2%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2156.2Ų
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 959.8Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)