FAIRMol

Z31413736

Pose ID 6676 Compound 3514 Pose 580

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 Z31413736

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 medium Native strong SASA done
Strain ΔE
25.1 kcal/mol
Protein clashes
4
Internal clashes
4
Native overlap
contact recall 0.88, Jaccard 0.83, H-bond role recall 0.64
Burial
73%
Hydrophobic fit
64%
Reason: no major geometry red flags detected
4 protein-contact clashes 4 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 (-0.830 kcal/mol/HA) ✓ Good fit quality (FQ -7.44) ✓ Strong H-bond network (14 bonds) ✓ Deep burial (73% SASA buried) ✓ Lipophilic contacts well-matched (64%) ✗ High strain energy (25.1 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (9)
Score
-19.918
kcal/mol
LE
-0.830
kcal/mol/HA
Fit Quality
-7.44
FQ (Leeson)
HAC
24
heavy atoms
MW
390
Da
LogP
0.89
cLogP
Strain ΔE
25.1 kcal/mol
SASA buried
73%
Lipo contact
64% BSA apolar/total
SASA unbound
594 Ų
Apolar buried
277 Ų

Interaction summary

HB 14 HY 3 PI 1 CLASH 4 ⚠ 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 0.89 H-bonds 14
Exposed fragments: phenyl (6/6 atoms exposed)aliphatic chain/group (1 atom exposed)
Final rank4.026Score-19.918
Inter norm-0.987Intra norm0.157
Top1000noExcludedno
Contacts16H-bonds14
Artifact reasongeometry warning; 9 clashes; 2 protein clashes; moderate strain Δ 25.1
Residues
ALA15 ARG116 ARG140 ARG144 ASN106 CYS72 GLY73 GLY75 GLY77 HIS105 HIS14 HIS141 ILE76 SER46 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 strict7Strict recall0.54
HB same residue+role7HB role recall0.64
HB same residue8HB residue recall0.73

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
593 3.7354699627388626 -1.4208 -26.7416 11 21 0 0.00 0.00 - no Open
580 4.025960175151159 -0.986819 -19.9183 14 16 15 0.88 0.64 - no Current
597 4.400529884772353 -0.977976 -20.7072 7 17 0 0.00 0.00 - no Open
589 4.415742123828827 -1.00117 -22.6809 7 13 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 -19.918kcal/mol
Ligand efficiency (LE) -0.8299kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.438
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 24HA

Physicochemical properties

Molecular weight 389.8Da
Lipinski: ≤ 500 Da
LogP (cLogP) 0.89
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 25.06kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -161.86kcal/mol
Minimised FF energy -186.92kcal/mol

SASA & burial

✓ computed
SASA (unbound) 594.5Ų
Total solvent-accessible surface area of free ligand
BSA total 435.7Ų
Buried surface area upon binding
BSA apolar 276.7Ų
Hydrophobic contacts buried
BSA polar 159.0Ų
Polar contacts buried
Fraction buried 73.3%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 63.5%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2102.1Ų
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 703.2Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)