FAIRMol

Z56833421

Pose ID 6644 Compound 263 Pose 548

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 Z56833421

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Reject SASA cached
Promising but geometrically suspicious
Binding strong Geometry low Native strong SASA done
Strain ΔE
61.4 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 1.00, Jaccard 0.94, H-bond role recall 0.45
Burial
72%
Hydrophobic fit
72%
Reason: strain 61.4 kcal/mol
strain ΔE 61.4 kcal/mol 2 protein-contact clashes 38% of hydrophobic surface appears solvent-exposed (6/16 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-1.077 kcal/mol/HA) ✓ Good fit quality (FQ -9.92) ✓ Strong H-bond network (13 bonds) ✓ Deep burial (72% SASA buried) ✓ Lipophilic contacts well-matched (72%) ✗ Extreme strain energy (61.4 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (6)
Score
-27.989
kcal/mol
LE
-1.077
kcal/mol/HA
Fit Quality
-9.92
FQ (Leeson)
HAC
26
heavy atoms
MW
378
Da
LogP
1.63
cLogP
Strain ΔE
61.4 kcal/mol
SASA buried
72%
Lipo contact
72% BSA apolar/total
SASA unbound
614 Ų
Apolar buried
316 Ų

Interaction summary

HB 13 HY 6 PI 1 CLASH 2 ⚠ Exposure 37%

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
38% of hydrophobic surface appears solvent-exposed (6/16 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
Non-polar atoms 16 Buried (contacted) 10 Exposed 6 LogP 1.63 H-bonds 13
Exposed fragments: phenyl (3/5 atoms exposed)aliphatic chain/group (3 atoms exposed)
Final rank4.532Score-27.989
Inter norm-1.115Intra norm0.038
Top1000noExcludedno
Contacts18H-bonds13
Artifact reasongeometry warning; 6 clashes; 3 protein clashes; high strain Δ 61.4
Residues
ALA15 ARG116 ARG140 ARG144 ASN106 ASP13 CYS72 GLY73 GLY75 GLY77 HIS105 HIS14 HIS141 ILE76 LEU101 MET78 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
538 1.6890420589433734 -0.876062 -18.5492 5 17 0 0.00 0.00 - no Open
578 1.7455832875701298 -1.04513 -22.1499 6 14 0 0.00 0.00 - no Open
569 1.7724214234298203 -1.01549 -23.1894 6 14 0 0.00 0.00 - no Open
569 1.7783840791674765 -1.0041 -24.7592 6 16 0 0.00 0.00 - no Open
545 2.1801023352322155 -1.14702 -29.589 14 14 5 0.29 0.27 - no Open
578 2.2950088551183443 -0.939152 -19.4559 10 15 0 0.00 0.00 - no Open
572 2.4866872836960074 -1.07884 -24.8429 11 15 1 0.06 0.09 - no Open
573 3.847742802334122 -0.869936 -20.868 10 17 0 0.00 0.00 - no Open
564 4.090578712367698 -0.991863 -19.9768 10 13 0 0.00 0.00 - no Open
595 4.424815777537417 -0.904088 -20.6734 8 14 0 0.00 0.00 - no Open
550 4.437704091940646 -1.08851 -28.813 14 16 0 0.00 0.00 - no Open
548 4.53216170732747 -1.11454 -27.9889 13 18 17 1.00 0.45 - no Current

Molecular metrics

RDKit SASA burial, strain energy (MMFF94s), ligand efficiency and fit quality for this docking pose.
✓ Metrics available

Scoring & efficiency

Docking score -27.989kcal/mol
Ligand efficiency (LE) -1.0765kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -9.918
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 26HA

Physicochemical properties

Molecular weight 378.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 1.63
Lipinski: ≤ 5
Rotatable bonds 8

Conformational strain (MMFF94s)

Strain energy (ΔE) 61.45kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 145.52kcal/mol
Minimised FF energy 84.08kcal/mol

SASA & burial

✓ computed
SASA (unbound) 614.0Ų
Total solvent-accessible surface area of free ligand
BSA total 441.4Ų
Buried surface area upon binding
BSA apolar 316.3Ų
Hydrophobic contacts buried
BSA polar 125.1Ų
Polar contacts buried
Fraction buried 71.9%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 71.7%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2197.3Ų
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 653.8Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)