FAIRMol

Z18509545

Pose ID 7416 Compound 704 Pose 642

DB fairmolDocking 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 Z18509545

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
28.9 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.72, Jaccard 0.72, H-bond role recall 0.40
Burial
71%
Hydrophobic fit
70%
Reason: no major geometry red flags detected
1 protein-contact clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.803 kcal/mol/HA) ✓ Good fit quality (FQ -7.66) ✓ Strong H-bond network (6 bonds) ✓ Deep burial (71% SASA buried) ✓ Lipophilic contacts well-matched (70%) ✗ High strain energy (28.9 kcal/mol) ✗ Geometry warnings ✗ Minor protein-contact clashes (4) ✗ Many internal clashes (10)
Score
-23.277
kcal/mol
LE
-0.803
kcal/mol/HA
Fit Quality
-7.66
FQ (Leeson)
HAC
29
heavy atoms
MW
410
Da
LogP
2.78
cLogP
Strain ΔE
28.9 kcal/mol
SASA buried
71%
Lipo contact
70% BSA apolar/total
SASA unbound
634 Ų
Apolar buried
317 Ų

Interaction summary

HB 6 HY 24 PI 3 CLASH 1

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 rank1.108Score-23.277
Inter norm-0.821Intra norm0.018
Top1000noExcludedno
Contacts13H-bonds6
Artifact reasongeometry warning; 10 clashes; 4 protein contact clashes; moderate strain Δ 28.9
Residues
ASN193 GLU192 GLY191 HIS144 HIS222 LEU194 PHE189 PHE190 PHE199 PHE74 PRO223 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 overlap13Native recall0.72
Jaccard0.72RMSD-
HB strict2Strict recall0.40
HB same residue+role2HB role recall0.40
HB same residue3HB residue recall0.75

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
633 0.2617411494880156 -1.10204 -31.388 3 17 0 0.00 0.00 - no Open
623 0.7630253132284526 -0.957756 -25.8221 1 18 0 0.00 0.00 - no Open
642 1.1076329238342517 -0.820794 -23.2766 6 13 13 0.72 0.40 - no Current
616 1.4223813885356413 -0.871795 -21.9547 2 17 0 0.00 0.00 - no Open
652 1.929780656881121 -1.08923 -28.9651 7 21 0 0.00 0.00 - no Open
630 2.1407979593867883 -1.03918 -26.9312 11 16 0 0.00 0.00 - no Open
638 2.582980298651682 -0.930167 -25.6601 13 14 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 -23.277kcal/mol
Ligand efficiency (LE) -0.8026kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.662
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 29HA

Physicochemical properties

Molecular weight 410.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.78
Lipinski: ≤ 5
Rotatable bonds 4

Conformational strain (MMFF94s)

Strain energy (ΔE) 28.88kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 26.53kcal/mol
Minimised FF energy -2.34kcal/mol

SASA & burial

✓ computed
SASA (unbound) 634.0Ų
Total solvent-accessible surface area of free ligand
BSA total 450.9Ų
Buried surface area upon binding
BSA apolar 317.2Ų
Hydrophobic contacts buried
BSA polar 133.6Ų
Polar contacts buried
Fraction buried 71.1%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 70.4%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1891.5Ų
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 976.0Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)