FAIRMol

Z18922521

Pose ID 6763 Compound 2113 Pose 667

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 Z18922521

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 high Native strong SASA done
Strain ΔE
17.9 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 0.76, Jaccard 0.72, H-bond role recall 0.45
Burial
69%
Hydrophobic fit
77%
Reason: no major geometry red flags detected
2 protein-contact clashes 56% of hydrophobic surface appears solvent-exposed (10/18 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 (-0.875 kcal/mol/HA) ✓ Good fit quality (FQ -8.07) ✓ Strong H-bond network (11 bonds) ✓ Deep burial (69% SASA buried) ✓ Lipophilic contacts well-matched (77%) ✗ Moderate strain (17.9 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (13)
Score
-22.762
kcal/mol
LE
-0.875
kcal/mol/HA
Fit Quality
-8.07
FQ (Leeson)
HAC
26
heavy atoms
MW
373
Da
LogP
2.78
cLogP
Strain ΔE
17.9 kcal/mol
SASA buried
69%
Lipo contact
77% BSA apolar/total
SASA unbound
617 Ų
Apolar buried
328 Ų

Interaction summary

HB 11 HY 4 PI 1 CLASH 2 ⚠ Exposure 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

⚠️Partial hydrophobic solvent exposure
56% of hydrophobic surface appears solvent-exposed (10/18 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
Non-polar atoms 18 Buried (contacted) 8 Exposed 10 LogP 2.78 H-bonds 11
Exposed fragments: phenyl (6/6 atoms exposed)aliphatic chain/group (4 atoms exposed)
Final rank4.836Score-22.762
Inter norm-0.934Intra norm0.058
Top1000noExcludedno
Contacts14H-bonds11
Artifact reasongeometry warning; 13 clashes; 3 protein clashes
Residues
ALA15 ARG116 ARG140 ARG144 ASN106 ASP13 CYS72 GLY73 HIS105 HIS14 HIS141 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 overlap13Native recall0.76
Jaccard0.72RMSD-
HB strict7Strict recall0.54
HB same residue+role5HB role recall0.45
HB same residue6HB residue recall0.55

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
664 1.9381149791187882 -1.08965 -29.7384 5 15 0 0.00 0.00 - no Open
667 4.835754681289075 -0.933896 -22.7618 11 14 13 0.76 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 -22.762kcal/mol
Ligand efficiency (LE) -0.8755kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.066
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 26HA

Physicochemical properties

Molecular weight 372.8Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.78
Lipinski: ≤ 5
Rotatable bonds 4

Conformational strain (MMFF94s)

Strain energy (ΔE) 17.89kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 81.43kcal/mol
Minimised FF energy 63.54kcal/mol

SASA & burial

✓ computed
SASA (unbound) 617.4Ų
Total solvent-accessible surface area of free ligand
BSA total 426.7Ų
Buried surface area upon binding
BSA apolar 328.1Ų
Hydrophobic contacts buried
BSA polar 98.6Ų
Polar contacts buried
Fraction buried 69.1%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 76.9%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2184.9Ų
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 698.9Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)