FAIRMol

Z49613256

Pose ID 12807 Compound 2058 Pose 606

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 Z49613256
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
Promising but geometrically suspicious
Binding strong Geometry low Native mixed SASA done
Strain ΔE
48.0 kcal/mol
Protein clashes
0
Internal clashes
10
Native overlap
contact recall 0.26, Jaccard 0.19, H-bond role recall 0.40
Burial
88%
Hydrophobic fit
72%
Reason: 10 internal clashes, strain 48.0 kcal/mol
strain ΔE 48.0 kcal/mol 10 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-1.501 kcal/mol/HA) ✓ Good fit quality (FQ -13.45) ✓ Strong H-bond network (11 bonds) ✓ Deep burial (88% SASA buried) ✓ Lipophilic contacts well-matched (72%) ✗ Extreme strain energy (48.0 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (10)
Score
-36.015
kcal/mol
LE
-1.501
kcal/mol/HA
Fit Quality
-13.45
FQ (Leeson)
HAC
24
heavy atoms
MW
326
Da
LogP
1.54
cLogP
Strain ΔE
48.0 kcal/mol
SASA buried
88%
Lipo contact
72% BSA apolar/total
SASA unbound
588 Ų
Apolar buried
372 Ų

Interaction summary

HB 11 HY 22 PI 2 CLASH 0
Final rank2.322Score-36.015
Inter norm-1.382Intra norm-0.119
Top1000noExcludedno
Contacts17H-bonds11
Artifact reasongeometry warning; 10 clashes; 2 protein clashes; 1 severe cofactor-context clash; high strain Δ 48.0
Residues
ALA365 CYS57 GLU202 GLY56 ILE199 LEU334 LYS60 NDP800 PHE182 PHE203 PHE367 PRO336 SER178 SER364 THR335 THR51 VAL55

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 strict2Strict recall0.17
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

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
597 0.067938204709174 -1.37122 -32.4902 6 16 0 0.00 0.00 - no Open
622 1.1959443571032502 -1.0687 -29.4649 13 16 0 0.00 0.00 - no Open
592 1.5173985335030495 -1.19629 -37.5817 10 13 0 0.00 0.00 - no Open
606 2.321576433442885 -1.38185 -36.0151 11 17 7 0.26 0.40 - no Current
610 2.649542773492627 -1.04458 -32.3454 14 15 0 0.00 0.00 - no Open
621 3.945865475066838 -1.05056 -15.0057 11 12 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 -36.015kcal/mol
Ligand efficiency (LE) -1.5006kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -13.449
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 24HA

Physicochemical properties

Molecular weight 326.3Da
Lipinski: ≤ 500 Da
LogP (cLogP) 1.54
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 47.99kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 202.17kcal/mol
Minimised FF energy 154.18kcal/mol

SASA & burial

✓ computed
SASA (unbound) 588.4Ų
Total solvent-accessible surface area of free ligand
BSA total 514.6Ų
Buried surface area upon binding
BSA apolar 372.0Ų
Hydrophobic contacts buried
BSA polar 142.6Ų
Polar contacts buried
Fraction buried 87.5%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 72.3%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -3018.3Ų
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 4064.7Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 1487.6Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)