FAIRMol

Z49547294

Pose ID 6441 Compound 2839 Pose 345

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 Z49547294

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
24.6 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.88, Jaccard 0.83, H-bond role recall 0.45
Burial
80%
Hydrophobic fit
76%
Reason: no major geometry red flags detected
1 protein-contact clashes 54% of hydrophobic surface appears solvent-exposed (7/13 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 (-1.731 kcal/mol/HA) ✓ Good fit quality (FQ -14.19) ✓ Strong H-bond network (11 bonds) ✓ Deep burial (80% SASA buried) ✓ Lipophilic contacts well-matched (76%) ✗ High strain energy (24.6 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (8)
Score
-32.882
kcal/mol
LE
-1.731
kcal/mol/HA
Fit Quality
-14.19
FQ (Leeson)
HAC
19
heavy atoms
MW
257
Da
LogP
1.83
cLogP
Strain ΔE
24.6 kcal/mol
SASA buried
80%
Lipo contact
76% BSA apolar/total
SASA unbound
490 Ų
Apolar buried
302 Ų

Interaction summary

HB 11 HY 5 PI 1 CLASH 1 ⚠ 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 (7/13 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
Non-polar atoms 13 Buried (contacted) 6 Exposed 7 LogP 1.83 H-bonds 11
Exposed fragments: phenyl (5/6 atoms exposed)aliphatic chain/group (2 atoms exposed)
Final rank2.357Score-32.882
Inter norm-1.657Intra norm-0.073
Top1000noExcludedno
Contacts16H-bonds11
Artifact reasongeometry warning; 8 clashes; 2 protein clashes; moderate strain Δ 24.6
Residues
ARG116 ARG140 ARG144 ASN106 ASP13 CYS72 GLY73 GLY75 GLY77 HIS105 HIS14 HIS141 ILE76 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 overlap15Native recall0.88
Jaccard0.83RMSD-
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
350 1.3625921429729717 -1.83907 -31.2878 11 12 0 0.00 0.00 - no Open
345 2.356514370618797 -1.65718 -32.8815 11 16 15 0.88 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 -32.882kcal/mol
Ligand efficiency (LE) -1.7306kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -14.185
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 19HA

Physicochemical properties

Molecular weight 257.2Da
Lipinski: ≤ 500 Da
LogP (cLogP) 1.83
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)

Strain energy (ΔE) 24.57kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 81.91kcal/mol
Minimised FF energy 57.34kcal/mol

SASA & burial

✓ computed
SASA (unbound) 490.3Ų
Total solvent-accessible surface area of free ligand
BSA total 394.9Ų
Buried surface area upon binding
BSA apolar 301.6Ų
Hydrophobic contacts buried
BSA polar 93.3Ų
Polar contacts buried
Fraction buried 80.5%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 76.4%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2132.3Ų
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 658.0Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)