FAIRMol

Z45537933

Pose ID 6565 Compound 3511 Pose 469

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 Z45537933

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
22.3 kcal/mol
Protein clashes
0
Internal clashes
7
Native overlap
contact recall 0.88, Jaccard 0.88, H-bond role recall 0.64
Burial
73%
Hydrophobic fit
63%
Reason: 7 internal clashes
7 intramolecular 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 (-1.128 kcal/mol/HA) ✓ Good fit quality (FQ -9.62) ✓ Strong H-bond network (13 bonds) ✓ Deep burial (73% SASA buried) ✓ Lipophilic contacts well-matched (63%) ✗ High strain energy (22.3 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (7)
Score
-23.684
kcal/mol
LE
-1.128
kcal/mol/HA
Fit Quality
-9.62
FQ (Leeson)
HAC
21
heavy atoms
MW
326
Da
LogP
0.81
cLogP
Strain ΔE
22.3 kcal/mol
SASA buried
73%
Lipo contact
63% BSA apolar/total
SASA unbound
550 Ų
Apolar buried
253 Ų

Interaction summary

HB 13 HY 2 PI 2 CLASH 0 ⚠ Exposure 53%
⚠️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 0.81 H-bonds 13
Exposed fragments: phenyl (6/6 atoms exposed)aliphatic chain/group (1 atom exposed)
Final rank3.966Score-23.684
Inter norm-1.202Intra norm0.074
Top1000noExcludedno
Contacts15H-bonds13
Artifact reasongeometry warning; 7 clashes; 3 protein clashes; moderate strain Δ 22.3
Residues
ARG116 ARG140 ARG144 ASN106 CYS72 GLY73 GLY75 GLY77 HIS105 HIS14 HIS141 ILE76 LEU101 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 overlap15Native recall0.88
Jaccard0.88RMSD-
HB strict8Strict recall0.62
HB same residue+role7HB role recall0.64
HB same residue7HB residue recall0.64

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
508 2.009788458540564 -1.01822 -20.5996 7 15 0 0.00 0.00 - no Open
545 3.4732770804134097 -1.18527 -23.981 4 15 0 0.00 0.00 - no Open
466 3.510541205591343 -1.43344 -28.2186 11 17 5 0.29 0.27 - no Open
482 3.5921666043258553 -1.53996 -31.7883 11 18 0 0.00 0.00 - no Open
469 3.966350797122376 -1.20182 -23.6843 13 15 15 0.88 0.64 - no Current
474 4.003880070761457 -1.66085 -33.326 9 23 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 -23.684kcal/mol
Ligand efficiency (LE) -1.1278kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -9.620
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 21HA

Physicochemical properties

Molecular weight 326.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 0.81
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 22.26kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -150.45kcal/mol
Minimised FF energy -172.71kcal/mol

SASA & burial

✓ computed
SASA (unbound) 550.0Ų
Total solvent-accessible surface area of free ligand
BSA total 402.1Ų
Buried surface area upon binding
BSA apolar 253.3Ų
Hydrophobic contacts buried
BSA polar 148.8Ų
Polar contacts buried
Fraction buried 73.1%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 63.0%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2115.5Ų
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 692.5Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)