FAIRMol

TC342

Pose ID 11097 Compound 1037 Pose 254

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 TC342
PDB5S9T

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 strong SASA done
Strain ΔE
58.2 kcal/mol
Protein clashes
0
Internal clashes
17
Native overlap
contact recall 0.83, Jaccard 0.42, H-bond role recall 1.00
Burial
82%
Hydrophobic fit
83%
Reason: 17 internal clashes, strain 58.2 kcal/mol
strain ΔE 58.2 kcal/mol 17 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Acceptable LE (-0.270 kcal/mol/HA) ✓ Good fit quality (FQ -2.80) ✓ Strong H-bond network (9 bonds) ✓ Deep burial (82% SASA buried) ✓ Lipophilic contacts well-matched (83%) ✗ Extreme strain energy (58.2 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (17)
Score
-10.530
kcal/mol
LE
-0.270
kcal/mol/HA
Fit Quality
-2.80
FQ (Leeson)
HAC
39
heavy atoms
MW
532
Da
LogP
3.79
cLogP
Strain ΔE
58.2 kcal/mol
SASA buried
82%
Lipo contact
83% BSA apolar/total
SASA unbound
821 Ų
Apolar buried
560 Ų

Interaction summary

HB 9 HY 22 PI 2 CLASH 0
Final rank3.257Score-10.530
Inter norm-0.663Intra norm0.394
Top1000noExcludedno
Contacts22H-bonds5
Artifact reasongeometry warning; 17 clashes; 1 protein clash; high raw intra; high strain Δ 38.8
Residues
ALA284 ALA363 ARG228 ARG287 ARG331 CYS375 FAD501 GLY197 GLY229 GLY286 GLY376 ILE199 ILE285 LEU227 LEU332 LEU334 MET333 PHE198 PHE230 SER364 THR374 VAL362

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

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: permissive.
Name5S9TContacts12
PoseOpen native poseHB0
IFP residues
ALA365 ARG228 ARG331 GLY229 LEU332 LEU334 MET333 PHE198 PHE230 SER364 THR374 VAL366
Current overlap10Native recall0.83
Jaccard0.42RMSD-
HB strict1Strict recall1.00
HB same residue+role1HB role recall1.00
HB same residue1HB residue recall1.00

HB · H-bonds

Mode: permissive. 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

No clash · clashes detected for this pose.

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
248 2.048813667607478 -0.614374 -9.73646 7 16 0 0.00 0.00 - no Open
215 2.4577901811693255 -0.623182 -16.3266 6 16 0 0.00 0.00 - no Open
206 2.7577601342615625 -0.827558 -20.9914 7 22 0 0.00 0.00 - no Open
254 3.256604468418019 -0.663495 -10.5295 5 22 10 0.83 1.00 - no Current
275 4.777589574511002 -0.772139 -25.8389 10 22 0 0.00 0.00 - no Open
273 5.650594001336309 -0.575422 -19.2044 8 11 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 -10.530kcal/mol
Ligand efficiency (LE) -0.2700kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -2.802
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 39HA

Physicochemical properties

Molecular weight 531.6Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.79
Lipinski: ≤ 5
Rotatable bonds 11

Conformational strain (MMFF94s)

Strain energy (ΔE) 58.22kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 141.35kcal/mol
Minimised FF energy 83.14kcal/mol

SASA & burial

✓ computed
SASA (unbound) 821.0Ų
Total solvent-accessible surface area of free ligand
BSA total 676.1Ų
Buried surface area upon binding
BSA apolar 560.0Ų
Hydrophobic contacts buried
BSA polar 116.1Ų
Polar contacts buried
Fraction buried 82.3%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 82.8%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -6704.0Ų
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 8063.1Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 2053.2Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)