FAIRMol

TC241

Pose ID 12458 Compound 2122 Pose 257

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 TC241
PDB2WOV

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Weak SASA cached
Weak or marginal quality
Binding strong Geometry medium Native mixed SASA done
Strain ΔE
37.2 kcal/mol
Protein clashes
0
Internal clashes
1
Native overlap
contact recall 0.26, Jaccard 0.18, H-bond role recall 0.40
Burial
91%
Hydrophobic fit
76%
Reason: no major geometry red flags detected
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.393 kcal/mol/HA) ✓ Good fit quality (FQ -12.48) ✓ Strong H-bond network (10 bonds) ✓ Deep burial (91% SASA buried) ✓ Lipophilic contacts well-matched (76%) ✗ Very high strain energy (37.2 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (11)
Score
-33.436
kcal/mol
LE
-1.393
kcal/mol/HA
Fit Quality
-12.48
FQ (Leeson)
HAC
24
heavy atoms
MW
327
Da
LogP
1.78
cLogP
Strain ΔE
37.2 kcal/mol
SASA buried
91%
Lipo contact
76% BSA apolar/total
SASA unbound
563 Ų
Apolar buried
388 Ų

Interaction summary

HB 10 HY 14 PI 0 CLASH 1
Final rank3.557Score-33.436
Inter norm-1.423Intra norm0.030
Top1000noExcludedno
Contacts18H-bonds10
Artifact reasongeometry warning; 11 clashes; 3 protein clashes; 1 cofactor-context clash; high strain Δ 37.2
Residues
ALA363 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
Jaccard0.18RMSD-
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

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
221 2.0077812066392657 -1.17383 -28.7197 9 14 0 0.00 0.00 - no Open
241 2.3528098974898835 -0.863335 -23.523 8 12 0 0.00 0.00 - no Open
240 3.2412632912082957 -1.01964 -23.5904 9 13 0 0.00 0.00 - no Open
210 3.449396824714685 -1.26484 -27.6814 14 14 0 0.00 0.00 - no Open
257 3.5567855665101447 -1.42321 -33.4356 10 18 7 0.26 0.40 - no Current
150 4.302305108254698 -1.30222 -27.4863 14 18 0 0.00 0.00 - no Open
267 4.3230268269514776 -0.796912 -19.6092 9 9 0 0.00 0.00 - no Open
162 4.726542041013789 -1.23245 -28.9868 12 13 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 -33.436kcal/mol
Ligand efficiency (LE) -1.3932kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -12.485
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 24HA

Physicochemical properties

Molecular weight 327.3Da
Lipinski: ≤ 500 Da
LogP (cLogP) 1.78
Lipinski: ≤ 5
Rotatable bonds 4

Conformational strain (MMFF94s)

Strain energy (ΔE) 37.21kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 105.64kcal/mol
Minimised FF energy 68.43kcal/mol

SASA & burial

✓ computed
SASA (unbound) 563.1Ų
Total solvent-accessible surface area of free ligand
BSA total 512.6Ų
Buried surface area upon binding
BSA apolar 387.6Ų
Hydrophobic contacts buried
BSA polar 125.0Ų
Polar contacts buried
Fraction buried 91.0%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 75.6%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -3013.8Ų
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 1484.2Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)