FAIRMol

Z49719002

Pose ID 6640 Compound 1726 Pose 544

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 Z49719002

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Promising SASA cached
Promising but geometrically suspicious
Binding strong Geometry low Native strong SASA done
Strain ΔE
18.4 kcal/mol
Protein clashes
0
Internal clashes
8
Native overlap
contact recall 0.82, Jaccard 0.82, H-bond role recall 0.64
Burial
80%
Hydrophobic fit
70%
Reason: 8 internal clashes
8 intramolecular clashes 45% of hydrophobic surface appears solvent-exposed (5/11 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
Molecular report
Full metrics ↗
Promising Reasonable quality metrics. Warrants further investigation.
✓ Excellent LE (-1.344 kcal/mol/HA) ✓ Good fit quality (FQ -11.02) ✓ Strong H-bond network (13 bonds) ✓ Deep burial (80% SASA buried) ✓ Lipophilic contacts well-matched (70%) ✗ Moderate strain (18.4 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (8)
Score
-25.543
kcal/mol
LE
-1.344
kcal/mol/HA
Fit Quality
-11.02
FQ (Leeson)
HAC
19
heavy atoms
MW
281
Da
LogP
1.69
cLogP
Strain ΔE
18.4 kcal/mol
SASA buried
80%
Lipo contact
70% BSA apolar/total
SASA unbound
487 Ų
Apolar buried
273 Ų

Interaction summary

HB 13 HY 2 PI 1 CLASH 0 ⚠ Exposure 45%
⚠️Partial hydrophobic solvent exposure
45% of hydrophobic surface appears solvent-exposed (5/11 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
Non-polar atoms 11 Buried (contacted) 6 Exposed 5 LogP 1.69 H-bonds 13
Exposed fragments: phenyl (4/6 atoms exposed)aliphatic chain/group (1 atom exposed)
Final rank3.597Score-25.543
Inter norm-1.557Intra norm0.212
Top1000noExcludedno
Contacts14H-bonds13
Artifact reasongeometry warning; 8 clashes; 3 protein clashes
Residues
ARG116 ARG140 ARG144 ASN106 CYS72 GLY73 GLY75 GLY77 HIS105 HIS14 HIS141 ILE76 THR74 TYR49

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

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 overlap14Native recall0.82
Jaccard0.82RMSD-
HB strict7Strict recall0.54
HB same residue+role7HB role recall0.64
HB same residue8HB residue recall0.73

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

No clash · clashes detected for this pose.

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
536 -1.2117718742022974 -2.27302 -41.2505 13 13 0 0.00 0.00 - no Open
543 -0.4617272198664007 -1.92622 -35.1793 12 14 0 0.00 0.00 - no Open
553 0.7901052041183204 -1.64895 -25.0906 5 11 0 0.00 0.00 - no Open
574 1.9197835489469466 -1.27997 -22.0242 6 13 0 0.00 0.00 - no Open
539 2.834875949212269 -1.96567 -32.6489 13 12 0 0.00 0.00 - no Open
574 2.938359789590277 -1.13258 -19.6979 10 14 0 0.00 0.00 - no Open
542 3.36456591187264 -1.66906 -29.2551 16 16 5 0.29 0.27 - no Open
544 3.597282871221922 -1.55687 -25.5432 13 14 14 0.82 0.64 - no Current
546 3.9655058659124927 -1.52952 -21.6706 9 11 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 -25.543kcal/mol
Ligand efficiency (LE) -1.3444kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -11.019
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 19HA

Physicochemical properties

Molecular weight 280.7Da
Lipinski: ≤ 500 Da
LogP (cLogP) 1.69
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)

Strain energy (ΔE) 18.43kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 101.42kcal/mol
Minimised FF energy 83.00kcal/mol

SASA & burial

✓ computed
SASA (unbound) 487.0Ų
Total solvent-accessible surface area of free ligand
BSA total 391.3Ų
Buried surface area upon binding
BSA apolar 273.2Ų
Hydrophobic contacts buried
BSA polar 118.1Ų
Polar contacts buried
Fraction buried 80.4%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 69.8%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2063.7Ų
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 709.7Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)