FAIRMol

Z49576389

Pose ID 12644 Compound 2246 Pose 443

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 Z49576389
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
89.8 kcal/mol
Protein clashes
8
Internal clashes
8
Native overlap
contact recall 0.26, Jaccard 0.18, H-bond role recall 0.00
Burial
91%
Hydrophobic fit
66%
Reason: 8 internal clashes, strain 89.8 kcal/mol
strain ΔE 89.8 kcal/mol 8 protein-contact clashes 8 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.867 kcal/mol/HA) ✓ Good fit quality (FQ -8.53) ✓ Strong H-bond network (16 bonds) ✓ Deep burial (91% SASA buried) ✓ Lipophilic contacts well-matched (66%) ✗ Extreme strain energy (89.8 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (10)
Score
-27.751
kcal/mol
LE
-0.867
kcal/mol/HA
Fit Quality
-8.53
FQ (Leeson)
HAC
32
heavy atoms
MW
470
Da
LogP
3.49
cLogP
Strain ΔE
89.8 kcal/mol
SASA buried
91%
Lipo contact
66% BSA apolar/total
SASA unbound
729 Ų
Apolar buried
436 Ų

Interaction summary

HB 16 HY 24 PI 0 CLASH 8
Final rank8.276Score-27.751
Inter norm-1.086Intra norm0.189
Top1000noExcludedno
Contacts19H-bonds12
Artifact reasongeometry warning; 10 clashes; 6 protein clashes; high strain Δ 89.7
Residues
ARG287 ASN179 ASP327 CYS57 GLU202 GLY56 ILE199 LEU334 LYS60 MET333 NDP800 PHE182 PHE203 PRO164 PRO336 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: permissive.
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
Jaccard0.18RMSD-
HB strict0Strict recall0.00
HB same residue+role0HB role recall0.00
HB same residue0HB residue recall0.00

HB · H-bonds

Mode: permissive. 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
479 2.8108492091469657 -0.88225 -20.3015 13 17 0 0.00 0.00 - no Open
471 3.03343921078592 -1.09123 -31.7486 6 19 0 0.00 0.00 - no Open
512 3.2000412737749646 -0.767238 -23.9647 9 20 0 0.00 0.00 - no Open
437 3.2182369061624767 -0.877682 -24.4062 8 16 0 0.00 0.00 - no Open
480 3.9800365169738785 -0.613783 -15.551 4 13 0 0.00 0.00 - no Open
443 8.275983902545669 -1.08587 -27.7506 12 19 7 0.26 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 -27.751kcal/mol
Ligand efficiency (LE) -0.8672kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.528
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 32HA

Physicochemical properties

Molecular weight 469.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.49
Lipinski: ≤ 5
Rotatable bonds 8

Conformational strain (MMFF94s)

Strain energy (ΔE) 89.77kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 61.31kcal/mol
Minimised FF energy -28.46kcal/mol

SASA & burial

✓ computed
SASA (unbound) 728.5Ų
Total solvent-accessible surface area of free ligand
BSA total 662.3Ų
Buried surface area upon binding
BSA apolar 436.4Ų
Hydrophobic contacts buried
BSA polar 225.9Ų
Polar contacts buried
Fraction buried 90.9%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 65.9%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -3084.0Ų
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 1478.6Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)