FAIRMol

Z18665829

Pose ID 7285 Compound 1257 Pose 511

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 Z18665829

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 high Native strong SASA done
Strain ΔE
13.1 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 0.67, Jaccard 0.48, H-bond role recall 0.00
Burial
93%
Hydrophobic fit
72%
Reason: no major geometry red flags detected
2 protein-contact clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.809 kcal/mol/HA) ✓ Good fit quality (FQ -7.88) ✓ Strong H-bond network (7 bonds) ✓ Deep burial (93% SASA buried) ✓ Lipophilic contacts well-matched (72%) ✗ Moderate strain (13.1 kcal/mol) ✗ Geometry warnings ✗ Protein-contact clashes (7) ✗ Many internal clashes (13)
Score
-25.087
kcal/mol
LE
-0.809
kcal/mol/HA
Fit Quality
-7.88
FQ (Leeson)
HAC
31
heavy atoms
MW
447
Da
LogP
4.31
cLogP
Strain ΔE
13.1 kcal/mol
SASA buried
93%
Lipo contact
72% BSA apolar/total
SASA unbound
689 Ų
Apolar buried
460 Ų

Interaction summary

HB 7 HY 24 PI 6 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 rank1.769Score-25.087
Inter norm-0.790Intra norm-0.020
Top1000noExcludedno
Contacts19H-bonds7
Artifact reasongeometry warning; 13 clashes; 7 protein contact clashes
Residues
ALA143 ALA40 ASN125 GLN124 GLU192 GLY191 HIS144 HIS222 ILE126 LEU194 LEU95 PHE189 PHE190 PHE51 PHE74 PRO223 SER218 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 overlap12Native recall0.67
Jaccard0.48RMSD-
HB strict0Strict recall0.00
HB same residue+role0HB role recall0.00
HB same residue0HB residue recall0.00

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
511 1.769255191084274 -0.789709 -25.0867 7 19 12 0.67 0.00 - no Current
490 1.9532940602145925 -1.02326 -31.3311 6 21 0 0.00 0.00 - no Open
512 1.980762022948366 -0.826887 -26.2537 1 13 1 0.06 0.00 - no Open
524 2.2051242086300946 -0.94444 -27.4731 4 12 0 0.00 0.00 - no Open
494 2.5075553936060606 -0.912252 -28.3155 9 13 0 0.00 0.00 - no Open
506 2.543767264616539 -0.616348 -18.448 3 12 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 -25.087kcal/mol
Ligand efficiency (LE) -0.8092kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.884
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 31HA

Physicochemical properties

Molecular weight 446.6Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.31
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)

Strain energy (ΔE) 13.06kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 54.06kcal/mol
Minimised FF energy 40.99kcal/mol

SASA & burial

✓ computed
SASA (unbound) 689.1Ų
Total solvent-accessible surface area of free ligand
BSA total 638.0Ų
Buried surface area upon binding
BSA apolar 460.4Ų
Hydrophobic contacts buried
BSA polar 177.6Ų
Polar contacts buried
Fraction buried 92.6%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 72.2%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1942.0Ų
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 942.2Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)