FAIRMol

Z68348244

Pose ID 6578 Compound 1602 Pose 482

DB fairmolDocking 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 Z68348244

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
65.9 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.76, Jaccard 0.68, H-bond role recall 0.36
Burial
67%
Hydrophobic fit
74%
Reason: strain 65.9 kcal/mol
strain ΔE 65.9 kcal/mol 1 protein-contact clashes 62% of hydrophobic surface is solvent-exposed (10/16 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 ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.907 kcal/mol/HA) ✓ Good fit quality (FQ -8.46) ✓ Strong H-bond network (9 bonds) ✓ Deep burial (67% SASA buried) ✓ Lipophilic contacts well-matched (74%) ✗ Extreme strain energy (65.9 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (7)
Score
-24.483
kcal/mol
LE
-0.907
kcal/mol/HA
Fit Quality
-8.46
FQ (Leeson)
HAC
27
heavy atoms
MW
432
Da
LogP
1.75
cLogP
Strain ΔE
65.9 kcal/mol
SASA buried
67%
Lipo contact
74% BSA apolar/total
SASA unbound
634 Ų
Apolar buried
316 Ų

Interaction summary

HB 9 HY 6 PI 1 CLASH 1 ⚠ Exposure 62%

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

🚨Solvent-exposed hydrophobic surface — desolvation penalty likely
62% of hydrophobic surface is solvent-exposed (10/16 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 16 Buried (contacted) 6 Exposed 10 LogP 1.75 H-bonds 9
Exposed fragments: phenyl (6/6 atoms exposed)aliphatic chain/group (4 atoms exposed)
Final rank3.602Score-24.483
Inter norm-0.993Intra norm0.086
Top1000noExcludedno
Contacts15H-bonds9
Artifact reasongeometry warning; 7 clashes; 2 protein clashes; high strain Δ 65.9
Residues
ALA15 ARG116 ARG140 ARG144 ASN106 ASP13 CYS72 GLU138 GLY73 HIS105 HIS14 HIS141 LEU101 LEU136 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 overlap13Native recall0.76
Jaccard0.68RMSD-
HB strict5Strict recall0.38
HB same residue+role4HB role recall0.36
HB same residue5HB residue recall0.45

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
489 0.05108413669265377 -0.891259 -21.4879 0 12 0 0.00 0.00 - no Open
491 0.13820060664767683 -1.22956 -31.8936 7 20 0 0.00 0.00 - no Open
482 3.6024335964103926 -0.992764 -24.4835 9 15 13 0.76 0.36 - no Current
493 4.803104340131133 -1.27709 -36.3056 6 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 -24.483kcal/mol
Ligand efficiency (LE) -0.9068kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.460
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 27HA

Physicochemical properties

Molecular weight 432.3Da
Lipinski: ≤ 500 Da
LogP (cLogP) 1.75
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 65.94kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 66.61kcal/mol
Minimised FF energy 0.68kcal/mol

SASA & burial

✓ computed
SASA (unbound) 634.1Ų
Total solvent-accessible surface area of free ligand
BSA total 426.4Ų
Buried surface area upon binding
BSA apolar 316.2Ų
Hydrophobic contacts buried
BSA polar 110.2Ų
Polar contacts buried
Fraction buried 67.2%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 74.1%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2208.9Ų
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 689.2Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)