FAIRMol

Z49732247

Pose ID 12848 Compound 3529 Pose 647

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 Z49732247
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
40.2 kcal/mol
Protein clashes
1
Internal clashes
2
Native overlap
contact recall 0.26, Jaccard 0.19, H-bond role recall 0.20
Burial
92%
Hydrophobic fit
74%
Reason: no major geometry red flags detected
1 protein-contact clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-1.161 kcal/mol/HA) ✓ Good fit quality (FQ -10.25) ✓ Strong H-bond network (10 bonds) ✓ Deep burial (92% SASA buried) ✓ Lipophilic contacts well-matched (74%) ✗ Extreme strain energy (40.2 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (13)
Score
-26.715
kcal/mol
LE
-1.161
kcal/mol/HA
Fit Quality
-10.25
FQ (Leeson)
HAC
23
heavy atoms
MW
311
Da
LogP
1.70
cLogP
Strain ΔE
40.2 kcal/mol
SASA buried
92%
Lipo contact
74% BSA apolar/total
SASA unbound
527 Ų
Apolar buried
361 Ų

Interaction summary

HB 10 HY 13 PI 0 CLASH 2
Final rank3.035Score-26.715
Inter norm-1.524Intra norm0.362
Top1000noExcludedno
Contacts17H-bonds10
Artifact reasongeometry warning; 13 clashes; 2 protein clashes; 1 cofactor-context clash; high strain Δ 40.2
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 strict1Strict recall0.08
HB same residue+role1HB role recall0.20
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

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
647 3.034867028131142 -1.52382 -26.7145 10 17 7 0.26 0.20 - no Current
650 3.291496188177528 -1.17975 -23.0628 8 15 0 0.00 0.00 - no Open
634 4.038440949088263 -1.19467 -24.7538 8 12 0 0.00 0.00 - no Open
648 4.301744094529095 -1.14839 -23.4369 14 15 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 -26.715kcal/mol
Ligand efficiency (LE) -1.1615kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -10.251
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 23HA

Physicochemical properties

Molecular weight 311.3Da
Lipinski: ≤ 500 Da
LogP (cLogP) 1.70
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)

Strain energy (ΔE) 40.19kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 107.17kcal/mol
Minimised FF energy 66.98kcal/mol

SASA & burial

✓ computed
SASA (unbound) 526.7Ų
Total solvent-accessible surface area of free ligand
BSA total 487.3Ų
Buried surface area upon binding
BSA apolar 361.4Ų
Hydrophobic contacts buried
BSA polar 125.9Ų
Polar contacts buried
Fraction buried 92.5%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 74.2%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2981.9Ų
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 1482.9Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)