FAIRMol

Z56574044

Pose ID 12699 Compound 2801 Pose 498

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 Z56574044
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
51.1 kcal/mol
Protein clashes
10
Internal clashes
11
Native overlap
contact recall 0.30, Jaccard 0.20, H-bond role recall 0.00
Burial
88%
Hydrophobic fit
72%
Reason: 10 protein-contact clashes, 11 internal clashes, strain 51.1 kcal/mol
strain ΔE 51.1 kcal/mol 10 protein-contact clashes 11 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.806 kcal/mol/HA) ✓ Good fit quality (FQ -8.13) ✓ Strong H-bond network (6 bonds) ✓ Deep burial (88% SASA buried) ✓ Lipophilic contacts well-matched (72%) ✗ Extreme strain energy (51.1 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (12)
Score
-28.213
kcal/mol
LE
-0.806
kcal/mol/HA
Fit Quality
-8.13
FQ (Leeson)
HAC
35
heavy atoms
MW
556
Da
LogP
3.87
cLogP
Strain ΔE
51.1 kcal/mol
SASA buried
88%
Lipo contact
72% BSA apolar/total
SASA unbound
760 Ų
Apolar buried
481 Ų

Interaction summary

HB 6 HY 20 PI 0 CLASH 11
Final rank3.757Score-28.213
Inter norm-0.886Intra norm0.080
Top1000noExcludedno
Contacts22H-bonds6
Artifact reasongeometry warning; 12 clashes; 1 protein clash; 1 cofactor-context clash; high strain Δ 51.1
Residues
ALA338 ALA365 ARG287 ASP327 CYS52 CYS57 GLY56 ILE199 LEU334 LYS60 MET333 NDP800 PHE182 PHE203 PHE367 PRO336 SER14 SER162 SER178 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 overlap8Native recall0.30
Jaccard0.20RMSD-
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

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
486 0.9670938942008835 -0.896433 -28.254 2 14 0 0.00 0.00 - no Open
516 2.3884084632529676 -0.873778 -29.1505 12 21 0 0.00 0.00 - no Open
515 2.937009382662365 -0.535214 -17.2553 4 9 0 0.00 0.00 - no Open
498 3.7569299329092205 -0.886001 -28.2135 6 22 8 0.30 0.00 - no Current

Molecular metrics

RDKit SASA burial, strain energy (MMFF94s), ligand efficiency and fit quality for this docking pose.
✓ Metrics available

Scoring & efficiency

Docking score -28.213kcal/mol
Ligand efficiency (LE) -0.8061kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.131
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 35HA

Physicochemical properties

Molecular weight 556.1Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.87
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 51.07kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 55.81kcal/mol
Minimised FF energy 4.74kcal/mol

SASA & burial

✓ computed
SASA (unbound) 759.6Ų
Total solvent-accessible surface area of free ligand
BSA total 664.8Ų
Buried surface area upon binding
BSA apolar 481.3Ų
Hydrophobic contacts buried
BSA polar 183.5Ų
Polar contacts buried
Fraction buried 87.5%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 72.4%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -3152.9Ų
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 1469.7Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)