FAIRMol

KB_HAT_96

Pose ID 12289 Compound 422 Pose 88

DB fairmolDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T19
T. brucei TR (NADPH binding site) T. brucei NADPH binding site
Ligand KB_HAT_96
PDB2WOV

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 mixed SASA done
Strain ΔE
26.3 kcal/mol
Protein clashes
1
Internal clashes
2
Native overlap
contact recall 0.30, Jaccard 0.21, H-bond role recall 0.40
Burial
93%
Hydrophobic fit
82%
Reason: no major geometry red flags detected
1 protein-contact clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.060 kcal/mol/HA) ✓ Good fit quality (FQ -10.33) ✓ Strong H-bond network (10 bonds) ✓ Deep burial (93% SASA buried) ✓ Lipophilic contacts well-matched (82%) ✗ High strain energy (26.3 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (10)
Score
-32.861
kcal/mol
LE
-1.060
kcal/mol/HA
Fit Quality
-10.33
FQ (Leeson)
HAC
31
heavy atoms
MW
414
Da
LogP
2.35
cLogP
Strain ΔE
26.3 kcal/mol
SASA buried
93%
Lipo contact
82% BSA apolar/total
SASA unbound
691 Ų
Apolar buried
525 Ų

Interaction summary

HB 10 HY 23 PI 0 CLASH 2

HB · H-bonds

Mode: strict. Count shows atom-level H-bonds; unique residues in summary: 0.

PI · π–π interactions

No pi · π–π interactions detected for this pose.

HY · Hydrophobic contacts

CLASH · Clashes

Final rank1.677Score-32.861
Inter norm-1.101Intra norm0.041
Top1000noExcludedno
Contacts20H-bonds10
Artifact reasongeometry warning; 10 clashes; 1 protein clash; 1 cofactor-context clash; moderate strain Δ 26.3
Residues
ALA365 ARG287 ASP327 CYS57 GLY56 ILE199 LEU334 LYS60 MET333 NDP800 PHE182 PHE203 PHE367 PRO336 SER162 SER178 SER364 THR335 THR51 VAL55

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name2WOVContacts27
PoseOpen native poseHB0
IFP residues
ALA284 ALA365 ARG222 ARG228 ARG287 ASN223 ASN254 GLN165 GLU202 GLY195 GLY196 GLY197 GLY286 ILE199 ILE285 LEU227 LEU334 LYS60 MET333 NDP800 PHE198 PHE367 PRO167 SER200 TYR221 VAL194 VAL366
Current overlap8Native recall0.30
Jaccard0.21RMSD-
HB strict2Strict recall0.17
HB same residue+role2HB role recall0.40
HB same residue1HB residue recall0.25

Protein summary

493 residues
Protein targetT19Atoms7541
Residues493Chains1
Residue summaryVAL:768; LYS:704; LEU:703; ILE:532; GLU:450; THR:434; ARG:408; PHE:400; ALA:390; ASN:350; PRO:350; GLY:336; SER:330; TYR:294; ASP:264; MET:221

Receptor context

1 kept / 0 excluded
Receptor context filtering: interactions and SASA are computed against protein atoms plus allowed cofactors/ions. Native ligand-like HETATM partners are excluded from scoring.
Kept context 1 Excluded HETATM 0
Kept cofactors / ions
C:NDP800

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 8 0.30 0.40 - no Current
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 0 0.00 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 0 0.00 0.00 - no Open
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 -32.861kcal/mol
Ligand efficiency (LE) -1.0600kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -10.327
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) 26.32kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -62.82kcal/mol
Minimised FF energy -89.14kcal/mol

SASA & burial

✓ computed
SASA (unbound) 691.2Ų
Total solvent-accessible surface area of free ligand
BSA total 642.5Ų
Buried surface area upon binding
BSA apolar 524.8Ų
Hydrophobic contacts buried
BSA polar 117.7Ų
Polar contacts buried
Fraction buried 93.0%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 81.7%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -3172.2Ų
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 4064.7Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 1465.5Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)