FAIRMol

Z19223273

Pose ID 6473 Compound 705 Pose 377

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 Z19223273

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 and worth follow-up
Binding strong Geometry high Native strong SASA done
Strain ΔE
14.3 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 0.82, Jaccard 0.78, H-bond role recall 0.45
Burial
64%
Hydrophobic fit
63%
Reason: no major geometry red flags detected
2 protein-contact clashes 71% of hydrophobic surface is solvent-exposed (15/21 atoms). Large non-polar area without protein contacts incurs a desolvation penalty and will reduce binding affinity. Consider truncating or replacing the exposed fragment.
Molecular report
Full metrics ↗
Promising Reasonable quality metrics. Warrants further investigation.
✓ Excellent LE (-0.904 kcal/mol/HA) ✓ Good fit quality (FQ -8.44) ✓ Strong H-bond network (10 bonds) ✓ Good burial (64% SASA buried) ✓ Lipophilic contacts well-matched (63%) ✗ Moderate strain (14.3 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (9)
Score
-24.413
kcal/mol
LE
-0.904
kcal/mol/HA
Fit Quality
-8.44
FQ (Leeson)
HAC
27
heavy atoms
MW
390
Da
LogP
5.24
cLogP
Strain ΔE
14.3 kcal/mol
SASA buried
64%
Lipo contact
63% BSA apolar/total
SASA unbound
657 Ų
Apolar buried
264 Ų

Interaction summary

HB 10 HY 5 PI 1 CLASH 2 ⚠ Exposure 71%
🚨Solvent-exposed hydrophobic surface — desolvation penalty likely
71% of hydrophobic surface is solvent-exposed (15/21 atoms). Large non-polar area without protein contacts incurs a desolvation penalty and will reduce binding affinity. Consider truncating or replacing the exposed fragment.
Non-polar atoms 21 Buried (contacted) 6 Exposed 15 LogP 5.24 H-bonds 10
Exposed fragments: phenyl (3/6 atoms exposed)phenyl (6/6 atoms exposed)phenyl (6/6 atoms exposed)
Final rank2.526Score-24.413
Inter norm-0.923Intra norm0.019
Top1000noExcludedno
Contacts15H-bonds10
Artifact reasongeometry warning; 9 clashes; 1 protein clash
Residues
ALA15 ARG116 ARG140 ARG144 ASN106 ASP13 CYS72 GLY73 GLY77 HIS105 HIS14 HIS141 SER46 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
Jaccard0.78RMSD-
HB strict7Strict recall0.54
HB same residue+role5HB role recall0.45
HB same residue5HB residue recall0.45

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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
404 0.36981656016428793 -0.921897 -25.4787 1 12 0 0.00 0.00 - no Open
469 0.7633901023181492 -0.95056 -25.8991 1 16 0 0.00 0.00 - no Open
433 0.885640899780341 -0.771777 -17.9441 3 13 0 0.00 0.00 - no Open
367 2.353859191578825 -1.16083 -30.0381 4 18 0 0.00 0.00 - no Open
377 2.525823341113361 -0.923206 -24.4127 10 15 14 0.82 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 -24.413kcal/mol
Ligand efficiency (LE) -0.9042kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.436
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 27HA

Physicochemical properties

Molecular weight 389.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 5.24
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 14.29kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 94.80kcal/mol
Minimised FF energy 80.51kcal/mol

SASA & burial

✓ computed
SASA (unbound) 657.1Ų
Total solvent-accessible surface area of free ligand
BSA total 421.8Ų
Buried surface area upon binding
BSA apolar 264.0Ų
Hydrophobic contacts buried
BSA polar 157.8Ų
Polar contacts buried
Fraction buried 64.2%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 62.6%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2215.5Ų
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 701.0Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)