FAIRMol

ulfkktlib_903

Pose ID 6956 Compound 208 Pose 182

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 ulfkktlib_903

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Reject SASA cached
Promising but geometrically suspicious
Binding strong Geometry low Native strong SASA done
Strain ΔE
47.2 kcal/mol
Protein clashes
6
Internal clashes
6
Native overlap
contact recall 0.72, Jaccard 0.59, H-bond role recall 0.40
Burial
74%
Hydrophobic fit
78%
Reason: 6 internal clashes, strain 47.2 kcal/mol
strain ΔE 47.2 kcal/mol 6 protein-contact clashes 6 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-1.279 kcal/mol/HA) ✓ Good fit quality (FQ -13.10) ✓ Strong H-bond network (6 bonds) ✓ Deep burial (74% SASA buried) ✓ Lipophilic contacts well-matched (78%) ✗ Extreme strain energy (47.2 kcal/mol) ✗ Geometry warnings ✗ Protein-contact clashes (7) ✗ Many internal clashes (17)
Score
-47.338
kcal/mol
LE
-1.279
kcal/mol/HA
Fit Quality
-13.10
FQ (Leeson)
HAC
37
heavy atoms
MW
495
Da
LogP
3.38
cLogP
Strain ΔE
47.2 kcal/mol
SASA buried
74%
Lipo contact
78% BSA apolar/total
SASA unbound
825 Ų
Apolar buried
473 Ų

Interaction summary

HB 6 HY 20 PI 2 CLASH 6
Final rank2.493Score-47.338
Inter norm-0.683Intra norm-0.596
Top1000noExcludedno
Contacts17H-bonds6
Artifact reasongeometry warning; 17 clashes; 7 protein contact clashes; very favorable intra outlier; high strain Δ 47.2
Residues
ALA40 ASN125 GLN124 GLN220 GLU192 GLY191 GLY39 HIS144 HIS222 ILE126 LEU194 PHE189 PHE190 PHE74 VAL187 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 overlap13Native recall0.72
Jaccard0.59RMSD-
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
274 1.5343558782166318 -0.707796 -25.4668 2 17 0 0.00 0.00 - no Open
251 2.2264712251249796 -0.812406 -26.9547 3 18 0 0.00 0.00 - no Open
182 2.4926765076912942 -0.683388 -47.3376 6 17 13 0.72 0.40 - no Current
232 3.4874898592347314 -0.778194 -29.7321 3 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 -47.338kcal/mol
Ligand efficiency (LE) -1.2794kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -13.098
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 37HA

Physicochemical properties

Molecular weight 494.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.38
Lipinski: ≤ 5
Rotatable bonds 8

Conformational strain (MMFF94s)

Strain energy (ΔE) 47.23kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 144.65kcal/mol
Minimised FF energy 97.42kcal/mol

SASA & burial

✓ computed
SASA (unbound) 824.9Ų
Total solvent-accessible surface area of free ligand
BSA total 607.7Ų
Buried surface area upon binding
BSA apolar 473.4Ų
Hydrophobic contacts buried
BSA polar 134.3Ų
Polar contacts buried
Fraction buried 73.7%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 77.9%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2052.8Ų
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 1011.4Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)