FAIRMol

KB_HAT_96

Pose ID 6145 Compound 422 Pose 49

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_HAT_96

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
31.7 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 0.88, Jaccard 0.75, H-bond role recall 0.82
Burial
67%
Hydrophobic fit
80%
Reason: no major geometry red flags detected
2 protein-contact clashes 41% of hydrophobic surface appears solvent-exposed (9/22 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 -8.75) ✓ Strong H-bond network (16 bonds) ✓ Deep burial (67% SASA buried) ✓ Lipophilic contacts well-matched (80%) ✗ Very high strain energy (31.7 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (9)
Score
-27.855
kcal/mol
LE
-0.899
kcal/mol/HA
Fit Quality
-8.75
FQ (Leeson)
HAC
31
heavy atoms
MW
414
Da
LogP
2.35
cLogP
Strain ΔE
31.7 kcal/mol
SASA buried
67%
Lipo contact
80% BSA apolar/total
SASA unbound
740 Ų
Apolar buried
398 Ų

Interaction summary

HB 16 HY 4 PI 2 CLASH 2 ⚠ Exposure 40%
⚠️Partial hydrophobic solvent exposure
41% of hydrophobic surface appears solvent-exposed (9/22 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
Non-polar atoms 22 Buried (contacted) 13 Exposed 9 LogP 2.35 H-bonds 16
Exposed fragments: phenyl (3/4 atoms exposed)phenyl (4/6 atoms exposed)aliphatic chain/group (2 atoms exposed)
Final rank4.429Score-27.855
Inter norm-1.009Intra norm0.110
Top1000noExcludedno
Contacts18H-bonds16
Artifact reasongeometry warning; 9 clashes; 3 protein clashes; high strain Δ 31.7
Residues
ARG116 ARG140 ARG144 ASN106 CYS72 GLU138 GLY73 GLY75 GLY77 HIS105 HIS14 HIS141 ILE76 LEU101 LEU136 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
Jaccard0.75RMSD-
HB strict8Strict recall0.62
HB same residue+role9HB role recall0.82
HB same residue9HB residue recall0.82

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
117 0.4816532383386699 -0.819823 -31.7131 5 19 0 0.00 0.00 - no Open
121 0.8528228617151145 -1.04358 -33.743 5 17 0 0.00 0.00 - no Open
116 0.994354898836697 -0.86191 -27.8752 4 16 0 0.00 0.00 - no Open
88 1.6774821073098232 -1.10093 -32.8614 10 20 0 0.00 0.00 - no Open
127 2.448460325432168 -0.829026 -22.9346 4 20 0 0.00 0.00 - no Open
81 2.757958246941406 -0.758658 -26.9153 4 13 0 0.00 0.00 - no Open
86 3.5513891838815015 -0.79038 -20.7592 11 15 1 0.06 0.00 - no Open
125 3.6953505570332297 -0.629977 -25.6744 10 11 0 0.00 0.00 - no Open
49 4.429218295957923 -1.0087 -27.8555 16 18 15 0.88 0.82 - no Current
73 6.223113891236293 -1.0244 -28.8817 9 22 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 -27.855kcal/mol
Ligand efficiency (LE) -0.8986kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.754
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 31HA

Physicochemical properties

Molecular weight 414.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.35
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 31.66kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -47.37kcal/mol
Minimised FF energy -79.03kcal/mol

SASA & burial

✓ computed
SASA (unbound) 740.1Ų
Total solvent-accessible surface area of free ligand
BSA total 496.1Ų
Buried surface area upon binding
BSA apolar 397.6Ų
Hydrophobic contacts buried
BSA polar 98.5Ų
Polar contacts buried
Fraction buried 67.0%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 80.1%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2353.3Ų
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 661.1Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)