FAIRMol

Z56891526

Pose ID 6630 Compound 3374 Pose 534

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 Z56891526

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
26.1 kcal/mol
Protein clashes
3
Internal clashes
3
Native overlap
contact recall 0.76, Jaccard 0.72, H-bond role recall 0.45
Burial
77%
Hydrophobic fit
74%
Reason: no major geometry red flags detected
3 protein-contact clashes 3 intramolecular clashes 50% of hydrophobic surface appears solvent-exposed (6/12 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 (-0.899 kcal/mol/HA) ✓ Good fit quality (FQ -7.37) ✓ Strong H-bond network (11 bonds) ✓ Deep burial (77% SASA buried) ✓ Lipophilic contacts well-matched (74%) ✗ High strain energy (26.1 kcal/mol) ✗ Geometry warnings
Score
-17.079
kcal/mol
LE
-0.899
kcal/mol/HA
Fit Quality
-7.37
FQ (Leeson)
HAC
19
heavy atoms
MW
279
Da
LogP
1.39
cLogP
Strain ΔE
26.1 kcal/mol
SASA buried
77%
Lipo contact
74% BSA apolar/total
SASA unbound
510 Ų
Apolar buried
294 Ų

Interaction summary

HB 11 HY 4 PI 2 CLASH 3 ⚠ Exposure 50%
⚠️Partial hydrophobic solvent exposure
50% of hydrophobic surface appears solvent-exposed (6/12 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
Non-polar atoms 12 Buried (contacted) 6 Exposed 6 LogP 1.39 H-bonds 11
Exposed fragments: phenyl (3/5 atoms exposed)aliphatic chain/group (3 atoms exposed)
Final rank1.586Score-17.079
Inter norm-1.296Intra norm0.398
Top1000noExcludedno
Contacts14H-bonds11
Artifact reasongeometry warning; 4 clashes; 1 protein clash; moderate strain Δ 26.1
Residues
ALA15 ARG116 ARG140 ARG144 ASN106 ASP13 CYS72 GLY73 GLY77 HIS105 HIS14 HIS141 SER46 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 overlap13Native recall0.76
Jaccard0.72RMSD-
HB strict6Strict recall0.46
HB same residue+role5HB role recall0.45
HB same residue6HB residue recall0.55

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
534 1.586258691401532 -1.29645 -17.0786 11 14 13 0.76 0.45 - no Current
533 3.165423383602174 -1.53038 -22.5993 10 16 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 -17.079kcal/mol
Ligand efficiency (LE) -0.8989kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.368
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 19HA

Physicochemical properties

Molecular weight 279.3Da
Lipinski: ≤ 500 Da
LogP (cLogP) 1.39
Lipinski: ≤ 5
Rotatable bonds 4

Conformational strain (MMFF94s)

Strain energy (ΔE) 26.14kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 87.51kcal/mol
Minimised FF energy 61.37kcal/mol

SASA & burial

✓ computed
SASA (unbound) 510.2Ų
Total solvent-accessible surface area of free ligand
BSA total 395.1Ų
Buried surface area upon binding
BSA apolar 293.5Ų
Hydrophobic contacts buried
BSA polar 101.6Ų
Polar contacts buried
Fraction buried 77.4%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 74.3%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2145.7Ų
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 650.0Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)