FAIRMol

Z131156222

Pose ID 6431 Compound 3442 Pose 335

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 Z131156222

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
22.3 kcal/mol
Protein clashes
5
Internal clashes
5
Native overlap
contact recall 0.88, Jaccard 0.83, H-bond role recall 0.73
Burial
73%
Hydrophobic fit
74%
Reason: no major geometry red flags detected
5 protein-contact clashes 5 intramolecular clashes 59% of hydrophobic surface appears solvent-exposed (10/17 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 (-0.858 kcal/mol/HA) ✓ Good fit quality (FQ -7.80) ✓ Strong H-bond network (14 bonds) ✓ Deep burial (73% SASA buried) ✓ Lipophilic contacts well-matched (74%) ✗ High strain energy (22.3 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (8)
Score
-21.441
kcal/mol
LE
-0.858
kcal/mol/HA
Fit Quality
-7.80
FQ (Leeson)
HAC
25
heavy atoms
MW
340
Da
LogP
2.70
cLogP
Strain ΔE
22.3 kcal/mol
SASA buried
73%
Lipo contact
74% BSA apolar/total
SASA unbound
579 Ų
Apolar buried
310 Ų

Interaction summary

HB 14 HY 3 PI 1 CLASH 5 ⚠ Exposure 58%

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
59% of hydrophobic surface appears solvent-exposed (10/17 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
Non-polar atoms 17 Buried (contacted) 7 Exposed 10 LogP 2.7 H-bonds 14
Exposed fragments: phenyl (2/5 atoms exposed)phenyl (6/6 atoms exposed)aliphatic chain/group (2 atoms exposed)
Final rank2.938Score-21.441
Inter norm-0.959Intra norm0.102
Top1000noExcludedno
Contacts16H-bonds14
Artifact reasongeometry warning; 8 clashes; 1 protein clash; moderate strain Δ 22.3
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 strict10Strict recall0.77
HB same residue+role8HB role recall0.73
HB same residue9HB residue recall0.82

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
77 2.8936367927926354 -0.965894 -21.4063 12 16 15 0.88 0.64 - no Open
335 2.938218876012678 -0.959445 -21.4413 14 16 15 0.88 0.73 - 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 -21.441kcal/mol
Ligand efficiency (LE) -0.8577kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.797
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 25HA

Physicochemical properties

Molecular weight 340.3Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.70
Lipinski: ≤ 5
Rotatable bonds 3

Conformational strain (MMFF94s)

Strain energy (ΔE) 22.32kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 117.22kcal/mol
Minimised FF energy 94.90kcal/mol

SASA & burial

✓ computed
SASA (unbound) 578.6Ų
Total solvent-accessible surface area of free ligand
BSA total 421.0Ų
Buried surface area upon binding
BSA apolar 309.9Ų
Hydrophobic contacts buried
BSA polar 111.1Ų
Polar contacts buried
Fraction buried 72.8%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 73.6%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2168.2Ų
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 715.0Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)