FAIRMol

KB_Leish_49

Pose ID 6167 Compound 223 Pose 71

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 KB_Leish_49

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Promising SASA cached
Promising and worth follow-up
Binding strong Geometry high Native strong SASA done
Strain ΔE
9.0 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 0.88, Jaccard 0.83, H-bond role recall 0.36
Burial
72%
Hydrophobic fit
81%
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 ↗
Promising Reasonable quality metrics. Warrants further investigation.
✓ Excellent LE (-1.071 kcal/mol/HA) ✓ Good fit quality (FQ -9.60) ✓ Strong H-bond network (10 bonds) ✓ Deep burial (72% SASA buried) ✓ Lipophilic contacts well-matched (81%) ✗ Moderate strain (9.0 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (9)
Score
-25.706
kcal/mol
LE
-1.071
kcal/mol/HA
Fit Quality
-9.60
FQ (Leeson)
HAC
24
heavy atoms
MW
317
Da
LogP
2.91
cLogP
Strain ΔE
9.0 kcal/mol
SASA buried
72%
Lipo contact
81% BSA apolar/total
SASA unbound
575 Ų
Apolar buried
338 Ų

Interaction summary

HB 10 HY 6 PI 2 CLASH 2 ⚠ Exposure 55%
⚠️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 2.91 H-bonds 10
Exposed fragments: phenyl (5/6 atoms exposed)phenyl (5/6 atoms exposed)aliphatic chain/group (2 atoms exposed)
Final rank4.192Score-25.706
Inter norm-1.136Intra norm0.065
Top1000noExcludedno
Contacts16H-bonds10
Artifact reasongeometry warning; 9 clashes; 3 protein clashes
Residues
ALA15 ARG116 ARG140 ARG144 ASN106 ASP13 CYS72 GLY73 GLY75 GLY77 HIS105 HIS14 HIS141 SER46 THR74 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 overlap15Native recall0.88
Jaccard0.83RMSD-
HB strict5Strict recall0.38
HB same residue+role4HB role recall0.36
HB same residue4HB residue recall0.36

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
68 0.22469296612191395 -1.08856 -29.1854 0 12 0 0.00 0.00 - no Open
160 1.5726024064427766 -1.07565 -24.9848 4 14 0 0.00 0.00 - no Open
94 1.617507251105285 -1.11825 -28.0849 10 16 5 0.29 0.18 - no Open
99 1.9802018660741005 -1.17618 -31.881 7 14 0 0.00 0.00 - no Open
159 2.998706388267544 -0.939156 -23.7265 5 11 0 0.00 0.00 - no Open
71 4.1924342857793775 -1.13563 -25.7063 10 16 15 0.88 0.36 - 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 -25.706kcal/mol
Ligand efficiency (LE) -1.0711kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -9.599
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 24HA

Physicochemical properties

Molecular weight 317.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.91
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)

Strain energy (ΔE) 9.01kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 73.89kcal/mol
Minimised FF energy 64.88kcal/mol

SASA & burial

✓ computed
SASA (unbound) 575.0Ų
Total solvent-accessible surface area of free ligand
BSA total 416.9Ų
Buried surface area upon binding
BSA apolar 338.1Ų
Hydrophobic contacts buried
BSA polar 78.8Ų
Polar contacts buried
Fraction buried 72.5%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 81.1%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2227.0Ų
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 678.8Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)