FAIRMol

TC94

Pose ID 11086 Compound 38 Pose 243

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T17
T. brucei TR (Doorstop site) T. brucei Doorstop site
Ligand TC94
PDB5S9T

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Weak SASA cached
Promising but geometrically suspicious
Binding strong Geometry low Native strong SASA done
Strain ΔE
23.9 kcal/mol
Protein clashes
0
Internal clashes
11
Native overlap
contact recall 0.58, Jaccard 0.29, H-bond role recall 0.00
Burial
84%
Hydrophobic fit
90%
Reason: 11 internal clashes
11 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.686 kcal/mol/HA) ✓ Good fit quality (FQ -6.75) ✓ Good H-bonds (5 bonds) ✓ Deep burial (84% SASA buried) ✓ Lipophilic contacts well-matched (90%) ✗ High strain energy (23.9 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (11)
Score
-21.957
kcal/mol
LE
-0.686
kcal/mol/HA
Fit Quality
-6.75
FQ (Leeson)
HAC
32
heavy atoms
MW
437
Da
LogP
5.43
cLogP
Strain ΔE
23.9 kcal/mol
SASA buried
84%
Lipo contact
90% BSA apolar/total
SASA unbound
744 Ų
Apolar buried
560 Ų

Interaction summary

HB 5 HY 24 PI 0 CLASH 0

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

No clash · clashes detected for this pose.
Final rank0.802Score-21.957
Inter norm-0.694Intra norm-0.004
Top1000noExcludedno
Contacts19H-bonds5
Artifact reasongeometry warning; 11 clashes; 1 protein contact clash; moderate strain Δ 23.9
Residues
ALA284 ARG287 ARG361 CYS375 GLY197 GLY286 GLY376 ILE199 ILE285 LEU332 LEU334 LEU377 MET333 PHE198 PHE230 SER364 THR360 THR374 VAL362

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name5S9TContacts12
PoseOpen native poseHB0
IFP residues
ALA365 ARG228 ARG331 GLY229 LEU332 LEU334 MET333 PHE198 PHE230 SER364 THR374 VAL366
Current overlap7Native recall0.58
Jaccard0.29RMSD-
HB strict0Strict recall0.00
HB same residue+role0HB role recall0.00
HB same residue0HB residue recall0.00

Protein summary

1033 residues
Protein targetT17Atoms15160
Residues1033Chains2
Residue summaryVAL:1536; LEU:1387; LYS:1386; ILE:1064; GLU:900; THR:868; ARG:816; PHE:800; ALA:780; ASN:700; PRO:686; GLY:672; SER:616; TYR:588; ASP:528; MET:408

Receptor context

2 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 2 Excluded HETATM 0
Kept cofactors / ions
A:FAD501 B:FAD501

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
292 0.6323162524759576 -0.808036 -28.5374 4 20 0 0.00 0.00 - no Open
243 0.8021044707831345 -0.693987 -21.9569 5 19 7 0.58 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 -21.957kcal/mol
Ligand efficiency (LE) -0.6862kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -6.748
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 32HA

Physicochemical properties

Molecular weight 436.6Da
Lipinski: ≤ 500 Da
LogP (cLogP) 5.43
Lipinski: ≤ 5
Rotatable bonds 4

Conformational strain (MMFF94s)

Strain energy (ΔE) 23.90kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 88.46kcal/mol
Minimised FF energy 64.56kcal/mol

SASA & burial

✓ computed
SASA (unbound) 743.9Ų
Total solvent-accessible surface area of free ligand
BSA total 624.1Ų
Buried surface area upon binding
BSA apolar 560.1Ų
Hydrophobic contacts buried
BSA polar 64.0Ų
Polar contacts buried
Fraction buried 83.9%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 89.7%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -6678.2Ų
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 8063.1Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 2064.5Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)