FAIRMol

Z49597823

Pose ID 7237 Compound 1789 Pose 463

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 Z49597823

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 medium Native strong SASA done
Strain ΔE
24.7 kcal/mol
Protein clashes
3
Internal clashes
3
Native overlap
contact recall 0.67, Jaccard 0.57, H-bond role recall 0.60
Burial
62%
Hydrophobic fit
82%
Reason: no major geometry red flags detected
3 protein-contact clashes 3 intramolecular clashes 54% of hydrophobic surface appears solvent-exposed (15/28 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.680 kcal/mol/HA) ✓ Good fit quality (FQ -7.06) ✓ Strong H-bond network (7 bonds) ✓ Good burial (62% SASA buried) ✓ Lipophilic contacts well-matched (82%) ✗ High strain energy (24.7 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (11)
Score
-26.532
kcal/mol
LE
-0.680
kcal/mol/HA
Fit Quality
-7.06
FQ (Leeson)
HAC
39
heavy atoms
MW
563
Da
LogP
5.00
cLogP
Strain ΔE
24.7 kcal/mol
SASA buried
62%
Lipo contact
82% BSA apolar/total
SASA unbound
863 Ų
Apolar buried
444 Ų

Interaction summary

HB 7 HY 24 PI 4 CLASH 3 ⚠ Exposure 53%

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

⚠️Partial hydrophobic solvent exposure
54% of hydrophobic surface appears solvent-exposed (15/28 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
Non-polar atoms 28 Buried (contacted) 13 Exposed 15 LogP 5.0 H-bonds 7
Exposed fragments: phenyl (3/5 atoms exposed)phenyl (6/6 atoms exposed)phenyl (4/5 atoms exposed)aliphatic chain/group (2 atoms exposed)
Final rank2.630Score-26.532
Inter norm-0.683Intra norm0.002
Top1000noExcludedno
Contacts15H-bonds7
Artifact reasongeometry warning; 11 clashes; 1 protein clash; moderate strain Δ 23.8
Residues
ASN125 ASN193 GLN124 GLU192 GLY191 HIS144 ILE126 LEU194 PHE189 PHE190 PHE51 PHE74 VAL187 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
Jaccard0.57RMSD-
HB strict3Strict recall0.60
HB same residue+role3HB role recall0.60
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
475 1.280287287729594 -0.617165 -25.0747 3 13 1 0.06 0.00 - no Open
463 2.6296067961054295 -0.682535 -26.5323 7 15 12 0.67 0.60 - no Current
514 3.7948270720513495 -0.709367 -28.2621 7 23 0 0.00 0.00 - no Open
473 4.655184917891928 -0.82917 -34.339 10 18 0 0.00 0.00 - no Open
457 5.557439725654371 -0.634517 -20.1581 11 18 0 0.00 0.00 - no Open
460 5.792579168189608 -0.711207 -22.3926 8 22 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 -26.532kcal/mol
Ligand efficiency (LE) -0.6803kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.060
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 39HA

Physicochemical properties

Molecular weight 563.1Da
Lipinski: ≤ 500 Da
LogP (cLogP) 5.00
Lipinski: ≤ 5
Rotatable bonds 8

Conformational strain (MMFF94s)

Strain energy (ΔE) 24.69kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 116.99kcal/mol
Minimised FF energy 92.30kcal/mol

SASA & burial

✓ computed
SASA (unbound) 863.2Ų
Total solvent-accessible surface area of free ligand
BSA total 538.2Ų
Buried surface area upon binding
BSA apolar 443.9Ų
Hydrophobic contacts buried
BSA polar 94.3Ų
Polar contacts buried
Fraction buried 62.3%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 82.5%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2097.2Ų
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 1035.0Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)