FAIRMol

Z56778174

Pose ID 7328 Compound 671 Pose 554

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 Z56778174

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
52.7 kcal/mol
Protein clashes
4
Internal clashes
4
Native overlap
contact recall 0.67, Jaccard 0.63, H-bond role recall 0.80
Burial
83%
Hydrophobic fit
71%
Reason: strain 52.7 kcal/mol
strain ΔE 52.7 kcal/mol 4 protein-contact clashes 4 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.979 kcal/mol/HA) ✓ Good fit quality (FQ -8.78) ✓ Strong H-bond network (7 bonds) ✓ Deep burial (83% SASA buried) ✓ Lipophilic contacts well-matched (71%) ✗ Extreme strain energy (52.7 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (10)
Score
-23.500
kcal/mol
LE
-0.979
kcal/mol/HA
Fit Quality
-8.78
FQ (Leeson)
HAC
24
heavy atoms
MW
342
Da
LogP
3.04
cLogP
Strain ΔE
52.7 kcal/mol
SASA buried
83%
Lipo contact
71% BSA apolar/total
SASA unbound
564 Ų
Apolar buried
329 Ų

Interaction summary

HB 7 HY 24 PI 2 CLASH 4
Final rank3.760Score-23.500
Inter norm-1.091Intra norm0.112
Top1000noExcludedno
Contacts13H-bonds7
Artifact reasongeometry warning; 10 clashes; 2 protein clashes; high strain Δ 52.7
Residues
GLU192 GLY191 HIS144 HIS222 ILE126 LEU194 PHE189 PHE190 PHE51 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 overlap12Native recall0.67
Jaccard0.63RMSD-
HB strict4Strict recall0.80
HB same residue+role4HB role recall0.80
HB same residue4HB residue recall1.00

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
559 0.2665955335841529 -1.07352 -26.2319 3 14 0 0.00 0.00 - no Open
550 2.4903017377618566 -1.10224 -30.5313 8 10 0 0.00 0.00 - no Open
554 3.759958976604163 -1.09088 -23.4995 7 13 12 0.67 0.80 - 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 -23.500kcal/mol
Ligand efficiency (LE) -0.9791kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.775
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 24HA

Physicochemical properties

Molecular weight 342.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.04
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)

Strain energy (ΔE) 52.66kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 145.62kcal/mol
Minimised FF energy 92.96kcal/mol

SASA & burial

✓ computed
SASA (unbound) 563.8Ų
Total solvent-accessible surface area of free ligand
BSA total 465.5Ų
Buried surface area upon binding
BSA apolar 329.0Ų
Hydrophobic contacts buried
BSA polar 136.5Ų
Polar contacts buried
Fraction buried 82.6%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 70.7%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1845.9Ų
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 957.3Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)