FAIRMol

TC458

Pose ID 11110 Compound 4546 Pose 267

DB fairmolDocking 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 TC458
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
25.1 kcal/mol
Protein clashes
0
Internal clashes
11
Native overlap
contact recall 0.83, Jaccard 0.50, H-bond role recall 0.00
Burial
79%
Hydrophobic fit
79%
Reason: 11 internal clashes
11 intramolecular clashes
EcoTox / ADMET In-silico prediction only
Fish LC₅₀
Cat. 2 — Toxic (1–10 mg/L)
Daphnia EC₅₀
Cat. 2 — Toxic (1–10 mg/L)
Algae IC₅₀
Cat. 2 — Toxic (1–10 mg/L)
Bioaccum.
Not B (BCF≤2000)
Persistent
No
ADMET alerts (in-silico)
hERG Low Ames Clear DILI Risk
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.762 kcal/mol/HA) ✓ Good fit quality (FQ -7.56) ✓ Strong H-bond network (6 bonds) ✓ Deep burial (79% SASA buried) ✓ Lipophilic contacts well-matched (79%) ✗ High strain energy (25.1 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (11)
Score
-25.149
kcal/mol
LE
-0.762
kcal/mol/HA
Fit Quality
-7.56
FQ (Leeson)
HAC
33
heavy atoms
MW
454
Da
LogP
4.18
cLogP
Final rank
4.7040
rank score
Inter norm
-0.791
normalised
Contacts
18
H-bonds 8
Strain ΔE
25.1 kcal/mol
SASA buried
79%
Lipo contact
79% BSA apolar/total
SASA unbound
721 Ų
Apolar buried
451 Ų

Interaction summary

HBD 2 HBA 4 HY 4 PI 0 CLASH 0

HBD/HBA · H-bonds (geometric)

HBD = ligand donates H · HBA = ligand accepts H · ~ = weak (≥110°). Mode: strict. Residues: 4.

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.

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 overlap10Native recall0.83
Jaccard0.50RMSD-
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
235 1.0916650117864246 -0.882993 -28.8948 8 19 0 0.00 0.00 - no Open
343 2.313507992477229 -0.70461 -21.8315 4 17 0 0.00 0.00 - no Open
259 3.9311177740481384 -0.676288 -21.0471 4 14 0 0.00 0.00 - no Open
267 4.704029710952499 -0.791258 -25.1493 8 18 10 0.83 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 -25.149kcal/mol
Ligand efficiency (LE) -0.7621kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.561
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 33HA

Physicochemical properties

Molecular weight 453.6Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.18
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)

Strain energy (ΔE) 25.10kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 109.23kcal/mol
Minimised FF energy 84.12kcal/mol

SASA & burial

✓ computed
SASA (unbound) 720.6Ų
Total solvent-accessible surface area of free ligand
BSA total 567.4Ų
Buried surface area upon binding
BSA apolar 450.6Ų
Hydrophobic contacts buried
BSA polar 116.8Ų
Polar contacts buried
Fraction buried 78.7%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 79.4%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -6605.1Ų
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 2061.9Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)