FAIRMol

Z49549408

Pose ID 7142 Compound 1394 Pose 368

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 Z49549408

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
23.2 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 0.61, Jaccard 0.61, H-bond role recall 0.40
Burial
82%
Hydrophobic fit
79%
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 (-1.149 kcal/mol/HA) ✓ Good fit quality (FQ -9.41) ✓ Strong H-bond network (6 bonds) ✓ Deep burial (82% SASA buried) ✓ Lipophilic contacts well-matched (79%) ✗ High strain energy (23.2 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (8)
Score
-21.824
kcal/mol
LE
-1.149
kcal/mol/HA
Fit Quality
-9.41
FQ (Leeson)
HAC
19
heavy atoms
MW
279
Da
LogP
2.90
cLogP
Strain ΔE
23.2 kcal/mol
SASA buried
82%
Lipo contact
79% BSA apolar/total
SASA unbound
480 Ų
Apolar buried
311 Ų

Interaction summary

HB 6 HY 24 PI 4 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 rank2.770Score-21.824
Inter norm-1.259Intra norm0.111
Top1000noExcludedno
Contacts11H-bonds6
Artifact reasongeometry warning; 8 clashes; 2 protein clashes; moderate strain Δ 23.2
Residues
GLU192 GLY191 HIS144 HIS222 LEU194 PHE189 PHE190 PHE74 THR71 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 overlap11Native recall0.61
Jaccard0.61RMSD-
HB strict2Strict recall0.40
HB same residue+role2HB role recall0.40
HB same residue2HB residue recall0.50

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
380 1.2157029303091844 -1.31937 -22.3757 8 12 1 0.06 0.00 - no Open
365 2.03476027107978 -1.69221 -27.2831 9 18 0 0.00 0.00 - no Open
492 2.149058578081181 -1.23753 -21.0928 5 14 0 0.00 0.00 - no Open
344 2.4482415740067793 -1.45975 -25.5076 10 13 0 0.00 0.00 - no Open
368 2.7696457872585443 -1.25917 -21.824 6 11 11 0.61 0.40 - no Current
377 3.074515803373726 -1.38191 -21.767 5 13 0 0.00 0.00 - no Open
414 3.32166662867758 -1.46812 -21.6428 9 10 0 0.00 0.00 - no Open
395 3.6859088691304858 -1.28583 -23.0255 8 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 -21.824kcal/mol
Ligand efficiency (LE) -1.1486kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -9.415
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 19HA

Physicochemical properties

Molecular weight 278.7Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.90
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)

Strain energy (ΔE) 23.21kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 100.68kcal/mol
Minimised FF energy 77.46kcal/mol

SASA & burial

✓ computed
SASA (unbound) 480.4Ų
Total solvent-accessible surface area of free ligand
BSA total 392.2Ų
Buried surface area upon binding
BSA apolar 310.6Ų
Hydrophobic contacts buried
BSA polar 81.6Ų
Polar contacts buried
Fraction buried 81.6%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 79.2%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1807.9Ų
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 950.6Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)