FAIRMol

Z18586609

Pose ID 6532 Compound 1166 Pose 436

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T10
L. infantum R5P L. infantum
Ligand Z18586609

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Weak SASA cached
Promising but geometrically suspicious
Binding strong Geometry low Native strong SASA done
Strain ΔE
30.8 kcal/mol
Protein clashes
8
Internal clashes
8
Native overlap
contact recall 1.00, Jaccard 0.94, H-bond role recall 0.45
Burial
70%
Hydrophobic fit
72%
Reason: 8 internal clashes
8 protein-contact clashes 8 intramolecular clashes 43% of hydrophobic surface appears solvent-exposed (10/23 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 (-0.800 kcal/mol/HA) ✓ Good fit quality (FQ -7.64) ✓ Strong H-bond network (12 bonds) ✓ Deep burial (70% SASA buried) ✓ Lipophilic contacts well-matched (72%) ✗ Very high strain energy (30.8 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (12)
Score
-23.197
kcal/mol
LE
-0.800
kcal/mol/HA
Fit Quality
-7.64
FQ (Leeson)
HAC
29
heavy atoms
MW
404
Da
LogP
4.67
cLogP
Strain ΔE
30.8 kcal/mol
SASA buried
70%
Lipo contact
72% BSA apolar/total
SASA unbound
675 Ų
Apolar buried
336 Ų

Interaction summary

HB 12 HY 8 PI 2 CLASH 8 ⚠ Exposure 43%

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
43% of hydrophobic surface appears solvent-exposed (10/23 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
Non-polar atoms 23 Buried (contacted) 13 Exposed 10 LogP 4.67 H-bonds 12
Exposed fragments: phenyl (6/6 atoms exposed)aliphatic chain/group (4 atoms exposed)
Final rank3.949Score-23.197
Inter norm-1.036Intra norm0.236
Top1000noExcludedno
Contacts18H-bonds12
Artifact reasongeometry warning; 12 clashes; 1 protein clash; high strain Δ 30.4
Residues
ALA15 ARG116 ARG140 ARG144 ASN106 ASP13 CYS72 GLY73 GLY75 GLY77 HIS105 HIS14 HIS141 ILE76 LEU101 SER46 THR74 TYR49

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name6FXWContacts17
PoseOpen native poseHB0
IFP residues
ALA15 ARG116 ARG140 ARG144 ASN106 ASP13 CYS72 GLY73 GLY75 GLY77 HIS105 HIS14 HIS141 ILE76 LEU101 THR74 TYR49
Current overlap17Native recall1.00
Jaccard0.94RMSD-
HB strict6Strict recall0.46
HB same residue+role5HB role recall0.45
HB same residue7HB residue recall0.64

Protein summary

155 residues
Protein targetT10Atoms4590
Residues155Chains1
Residue summaryILE:494; ARG:384; ALA:360; VAL:352; LEU:304; GLU:300; THR:280; MET:272; LYS:220; ASP:216; TYR:210; HIS:204; GLY:182; SER:176; GLN:170; ASN:140

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
494 1.1577042796268664 -0.806499 -20.9573 5 17 0 0.00 0.00 - no Open
452 1.5916735758417686 -1.10999 -27.3548 4 17 0 0.00 0.00 - no Open
476 1.697784199305133 -0.945349 -17.4477 4 16 0 0.00 0.00 - no Open
429 1.9753143606479693 -0.828598 -16.278 2 16 0 0.00 0.00 - no Open
437 2.7071296605498025 -1.02096 -25.3626 7 17 0 0.00 0.00 - no Open
463 3.0485298790569324 -0.939335 -24.8709 8 14 0 0.00 0.00 - no Open
436 3.9486253783950946 -1.03556 -23.1969 12 18 17 1.00 0.45 - no Current
454 4.0865649410255696 -0.835591 -19.7943 5 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 -23.197kcal/mol
Ligand efficiency (LE) -0.7999kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.636
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 29HA

Physicochemical properties

Molecular weight 404.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.67
Lipinski: ≤ 5
Rotatable bonds 9

Conformational strain (MMFF94s)

Strain energy (ΔE) 30.79kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 65.13kcal/mol
Minimised FF energy 34.34kcal/mol

SASA & burial

✓ computed
SASA (unbound) 675.1Ų
Total solvent-accessible surface area of free ligand
BSA total 469.0Ų
Buried surface area upon binding
BSA apolar 335.8Ų
Hydrophobic contacts buried
BSA polar 133.2Ų
Polar contacts buried
Fraction buried 69.5%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 71.6%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2277.8Ų
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 2417.4Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 681.5Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)