FAIRMol

Z19459210

Pose ID 12536 Compound 944 Pose 335

DB SELECTIONDocking 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 Z19459210
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 medium Native mixed SASA done
Strain ΔE
27.2 kcal/mol
Protein clashes
2
Internal clashes
3
Native overlap
contact recall 0.30, Jaccard 0.20, H-bond role recall 0.20
Burial
94%
Hydrophobic fit
66%
Reason: no major geometry red flags detected
2 protein-contact clashes 3 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.897 kcal/mol/HA) ✓ Good fit quality (FQ -8.82) ✓ Strong H-bond network (6 bonds) ✓ Deep burial (94% SASA buried) ✓ Lipophilic contacts well-matched (66%) ✗ High strain energy (27.2 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (10)
Score
-28.703
kcal/mol
LE
-0.897
kcal/mol/HA
Fit Quality
-8.82
FQ (Leeson)
HAC
32
heavy atoms
MW
458
Da
LogP
3.57
cLogP
Strain ΔE
27.2 kcal/mol
SASA buried
94%
Lipo contact
66% BSA apolar/total
SASA unbound
726 Ų
Apolar buried
451 Ų

Interaction summary

HB 6 HY 22 PI 0 CLASH 3
Final rank1.958Score-28.703
Inter norm-1.011Intra norm0.079
Top1000noExcludedno
Contacts22H-bonds6
Artifact reasongeometry warning; 10 clashes; 1 protein clash; 1 cofactor-context clash; moderate strain Δ 26.5
Residues
ALA363 ALA365 ARG287 ASP327 CYS57 GLN439 GLY56 ILE199 ILE438 LEU334 LYS60 MET333 NDP800 PHE367 PRO336 PRO435 SER162 SER364 THR335 THR51 VAL337 VAL362

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

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
Jaccard0.20RMSD-
HB strict1Strict recall0.08
HB same residue+role1HB role recall0.20
HB same residue1HB residue recall0.25

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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
353 0.2677846330097941 -1.07537 -27.8222 8 17 0 0.00 0.00 - no Open
385 1.072504017808142 -0.997956 -27.1257 7 18 0 0.00 0.00 - no Open
335 1.9579738510770275 -1.01092 -28.7026 6 22 8 0.30 0.20 - no Current
382 2.0108526982107993 -0.822339 -20.3127 6 13 0 0.00 0.00 - no Open
380 2.3895493898087743 -0.733724 -19.5103 13 14 0 0.00 0.00 - no Open
451 2.500575774493837 -0.801352 -19.5984 4 18 0 0.00 0.00 - no Open
365 2.585210403258686 -0.744596 -11.1465 9 20 0 0.00 0.00 - no Open
397 3.1112027661132537 -0.667648 -14.8384 8 10 0 0.00 0.00 - no Open
398 3.193158610637237 -0.881209 -19.5521 15 18 0 0.00 0.00 - no Open
436 3.954326897652338 -0.726205 -12.1702 7 19 0 0.00 0.00 - no Open
337 4.153204340630617 -0.904158 -19.2488 9 13 0 0.00 0.00 - no Open
346 5.166667667365341 -0.742034 -19.6346 11 13 0 0.00 0.00 - no Open
361 5.606440624303128 -1.02946 -25.164 13 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 -28.703kcal/mol
Ligand efficiency (LE) -0.8970kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.821
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 32HA

Physicochemical properties

Molecular weight 458.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.57
Lipinski: ≤ 5
Rotatable bonds 8

Conformational strain (MMFF94s)

Strain energy (ΔE) 27.24kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 102.14kcal/mol
Minimised FF energy 74.90kcal/mol

SASA & burial

✓ computed
SASA (unbound) 726.0Ų
Total solvent-accessible surface area of free ligand
BSA total 678.8Ų
Buried surface area upon binding
BSA apolar 450.6Ų
Hydrophobic contacts buried
BSA polar 228.2Ų
Polar contacts buried
Fraction buried 93.5%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 66.4%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -3064.7Ų
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 4064.7Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 1475.0Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)