FAIRMol

Z19352754

Pose ID 12869 Compound 2219 Pose 668

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 Z19352754
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
Promising but geometrically suspicious
Binding strong Geometry low Native mixed SASA done
Strain ΔE
24.4 kcal/mol
Protein clashes
0
Internal clashes
14
Native overlap
contact recall 0.26, Jaccard 0.19, H-bond role recall 0.00
Burial
88%
Hydrophobic fit
70%
Reason: 14 internal clashes
14 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.221 kcal/mol/HA) ✓ Good fit quality (FQ -11.39) ✓ Strong H-bond network (8 bonds) ✓ Deep burial (88% SASA buried) ✓ Lipophilic contacts well-matched (70%) ✗ High strain energy (24.4 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (14)
Score
-32.959
kcal/mol
LE
-1.221
kcal/mol/HA
Fit Quality
-11.39
FQ (Leeson)
HAC
27
heavy atoms
MW
381
Da
LogP
1.83
cLogP
Strain ΔE
24.4 kcal/mol
SASA buried
88%
Lipo contact
70% BSA apolar/total
SASA unbound
616 Ų
Apolar buried
376 Ų

Interaction summary

HB 8 HY 14 PI 1 CLASH 0
Final rank3.055Score-32.959
Inter norm-1.198Intra norm-0.023
Top1000noExcludedno
Contacts16H-bonds8
Artifact reasongeometry warning; 14 clashes; 2 protein clashes; moderate strain Δ 24.4
Residues
ARG287 ASP327 CYS52 CYS57 GLY56 ILE199 LEU334 LYS60 LYS61 MET333 NDP800 PHE367 PRO336 SER162 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 overlap7Native recall0.26
Jaccard0.19RMSD-
HB strict0Strict recall0.00
HB same residue+role0HB role recall0.00
HB same residue0HB residue recall0.00

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

No clash · clashes detected for this pose.

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
662 2.387234550870066 -0.875978 -25.1448 3 13 0 0.00 0.00 - no Open
676 2.7504368620559965 -1.1322 -31.8335 10 20 0 0.00 0.00 - no Open
665 2.9348303597234553 -1.04997 -30.5922 4 16 0 0.00 0.00 - no Open
668 3.054569518894309 -1.19774 -32.9591 8 16 7 0.26 0.00 - no Current
667 3.994413850524842 -0.746194 -21.7975 6 10 0 0.00 0.00 - no Open
661 5.153622008531141 -1.22703 -35.7123 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 -32.959kcal/mol
Ligand efficiency (LE) -1.2207kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -11.389
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 27HA

Physicochemical properties

Molecular weight 381.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 1.83
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)

Strain energy (ΔE) 24.39kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 67.55kcal/mol
Minimised FF energy 43.16kcal/mol

SASA & burial

✓ computed
SASA (unbound) 616.2Ų
Total solvent-accessible surface area of free ligand
BSA total 540.7Ų
Buried surface area upon binding
BSA apolar 375.8Ų
Hydrophobic contacts buried
BSA polar 164.9Ų
Polar contacts buried
Fraction buried 87.7%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 69.5%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -3030.5Ų
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 1477.7Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)