FAIRMol

Z49734016

Pose ID 12809 Compound 331 Pose 608

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 Z49734016
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
33.5 kcal/mol
Protein clashes
4
Internal clashes
5
Native overlap
contact recall 0.33, Jaccard 0.30, H-bond role recall 0.40
Burial
80%
Hydrophobic fit
71%
Reason: no major geometry red flags detected
4 protein-contact clashes 5 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-1.023 kcal/mol/HA) ✓ Good fit quality (FQ -9.76) ✓ Strong H-bond network (7 bonds) ✓ Deep burial (80% SASA buried) ✓ Lipophilic contacts well-matched (71%) ✗ Very high strain energy (33.5 kcal/mol) ✗ Geometry warnings ✗ Protein-contact clashes (6) ✗ Many internal clashes (12)
Score
-29.664
kcal/mol
LE
-1.023
kcal/mol/HA
Fit Quality
-9.76
FQ (Leeson)
HAC
29
heavy atoms
MW
408
Da
LogP
3.56
cLogP
Strain ΔE
33.5 kcal/mol
SASA buried
80%
Lipo contact
71% BSA apolar/total
SASA unbound
616 Ų
Apolar buried
351 Ų

Interaction summary

HB 7 HY 13 PI 2 CLASH 5
Final rank1.312Score-29.664
Inter norm-1.134Intra norm0.111
Top1000noExcludedno
Contacts12H-bonds7
Artifact reasongeometry warning; 12 clashes; 6 protein contact clashes; 4 cofactor-context clashes; high strain Δ 33.2
Residues
ARG228 ARG287 GLY196 GLY197 GLY229 GLY286 LEU227 LEU332 MET333 NDP800 PHE198 PHE230

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 overlap9Native recall0.33
Jaccard0.30RMSD-
HB strict0Strict recall0.00
HB same residue+role2HB role recall0.40
HB same residue2HB residue recall0.50

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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
594 0.6547279094204518 -1.21427 -33.0798 7 15 0 0.00 0.00 - no Open
608 1.3120767754076195 -1.13381 -29.6637 7 12 9 0.33 0.40 - no Current
601 1.5338364307210228 -1.184 -35.5526 9 21 0 0.00 0.00 - no Open
611 2.0085429260812084 -0.922927 -27.4092 3 17 0 0.00 0.00 - no Open
600 2.169770923115749 -0.961824 -27.1396 3 15 0 0.00 0.00 - no Open
594 2.3539939501104934 -0.905103 -24.472 7 17 0 0.00 0.00 - no Open
627 3.9297746209403894 -0.827527 -25.6648 7 12 0 0.00 0.00 - no Open
610 4.395035279576928 -0.959762 -27.7016 9 15 0 0.00 0.00 - no Open
616 4.913412662238806 -0.960121 -29.341 8 21 0 0.00 0.00 - no Open
605 6.5157676791760775 -0.924269 -20.9833 10 17 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 -29.664kcal/mol
Ligand efficiency (LE) -1.0229kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -9.764
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 29HA

Physicochemical properties

Molecular weight 408.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.56
Lipinski: ≤ 5
Rotatable bonds 8

Conformational strain (MMFF94s)

Strain energy (ΔE) 33.55kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 77.51kcal/mol
Minimised FF energy 43.97kcal/mol

SASA & burial

✓ computed
SASA (unbound) 616.1Ų
Total solvent-accessible surface area of free ligand
BSA total 492.1Ų
Buried surface area upon binding
BSA apolar 351.0Ų
Hydrophobic contacts buried
BSA polar 141.1Ų
Polar contacts buried
Fraction buried 79.9%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 71.3%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -3007.4Ų
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 1505.6Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)