FAIRMol

Z56789391

Pose ID 12538 Compound 4925 Pose 337

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 Z56789391
PDB2WOV

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Reject SASA cached
Likely artefact or unreliable pose
Binding strong Geometry medium Native mixed SASA done
Strain ΔE
40.2 kcal/mol
Protein clashes
1
Internal clashes
2
Native overlap
contact recall 0.22, Jaccard 0.16, H-bond role recall 0.40
Burial
91%
Hydrophobic fit
67%
Reason: no major geometry red flags detected
1 protein-contact clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-1.324 kcal/mol/HA) ✓ Good fit quality (FQ -11.69) ✓ Strong H-bond network (10 bonds) ✓ Deep burial (91% SASA buried) ✓ Lipophilic contacts well-matched (67%) ✗ Extreme strain energy (40.2 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (8)
Score
-30.455
kcal/mol
LE
-1.324
kcal/mol/HA
Fit Quality
-11.69
FQ (Leeson)
HAC
23
heavy atoms
MW
328
Da
LogP
2.88
cLogP
Strain ΔE
40.2 kcal/mol
SASA buried
91%
Lipo contact
67% BSA apolar/total
SASA unbound
520 Ų
Apolar buried
318 Ų

Interaction summary

HB 10 HY 20 PI 0 CLASH 2
Final rank2.282Score-30.455
Inter norm-1.416Intra norm0.092
Top1000noExcludedno
Contacts16H-bonds10
Artifact reasongeometry warning; 8 clashes; 2 protein clashes; 1 cofactor-context clash; high strain Δ 40.2
Residues
ALA363 ALA365 ASP327 CYS52 CYS57 GLY56 LEU334 LYS60 MET333 NDP800 PHE367 PRO336 SER14 SER364 THR335 THR51

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 overlap6Native recall0.22
Jaccard0.16RMSD-
HB strict3Strict recall0.25
HB same residue+role2HB role recall0.40
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
337 2.2822284386059577 -1.41622 -30.4547 10 16 6 0.22 0.40 - no Current
409 2.762712008327734 -0.949579 -24.3349 6 11 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 -30.455kcal/mol
Ligand efficiency (LE) -1.3241kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -11.686
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 23HA

Physicochemical properties

Molecular weight 328.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.88
Lipinski: ≤ 5
Rotatable bonds 4

Conformational strain (MMFF94s)

Strain energy (ΔE) 40.19kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 117.97kcal/mol
Minimised FF energy 77.78kcal/mol

SASA & burial

✓ computed
SASA (unbound) 520.3Ų
Total solvent-accessible surface area of free ligand
BSA total 475.3Ų
Buried surface area upon binding
BSA apolar 318.0Ų
Hydrophobic contacts buried
BSA polar 157.4Ų
Polar contacts buried
Fraction buried 91.4%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 66.9%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2933.2Ų
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 1489.6Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)