FAIRMol

TC358

Pose ID 4292 Compound 44 Pose 229

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T07
T. brucei PTR1 T. brucei
Ligand TC358
PDB6RX6

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
28.9 kcal/mol
Protein clashes
5
Internal clashes
8
Native overlap
contact recall 0.68, Jaccard 0.54, H-bond role recall 0.40
Burial
96%
Hydrophobic fit
89%
Reason: 8 internal clashes
5 protein-contact clashes 8 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.924 kcal/mol/HA) ✓ Good fit quality (FQ -8.91) ✓ Good H-bonds (4 bonds) ✓ Deep burial (96% SASA buried) ✓ Lipophilic contacts well-matched (89%) ✗ High strain energy (28.9 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (12)
Score
-27.716
kcal/mol
LE
-0.924
kcal/mol/HA
Fit Quality
-8.91
FQ (Leeson)
HAC
30
heavy atoms
MW
402
Da
LogP
3.56
cLogP
Strain ΔE
28.9 kcal/mol
SASA buried
96%
Lipo contact
89% BSA apolar/total
SASA unbound
700 Ų
Apolar buried
597 Ų

Interaction summary

HB 4 HY 24 PI 5 CLASH 8
Final rank2.232Score-27.716
Inter norm-1.224Intra norm0.300
Top1000noExcludedno
Contacts18H-bonds4
Artifact reasongeometry warning; 12 clashes; 1 protein clash; 7 cofactor-context clashes; moderate strain Δ 28.9
Residues
ALA96 ARG14 ASN175 ASP161 CYS168 LEU209 MET163 MET213 NAP301 PHE171 PHE97 PRO167 PRO210 SER95 TRP221 TYR174 VAL164 VAL206

Protein summary

275 residues
Protein targetT07Atoms3932
Residues275Chains3
Residue summaryLEU:437; VAL:433; ALA:361; ARG:288; ILE:266; GLU:210; LYS:198; SER:198; ASN:182; THR:154; GLN:153; PHE:140; PRO:140; TYR:126; GLY:112; HIS:103

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
A:NAP301

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
NameTbPTR1_cW_6RX6_ReadyContacts19
PoseOpen native poseHB0
IFP residues
ARG14 ASP161 CYS168 GLY205 LEU208 LEU209 LYS178 MET213 NAP301 PHE171 PHE97 PRO210 PRO99 SER207 SER95 TRP221 TYR174 TYR98 VAL206
Current overlap13Native recall0.68
Jaccard0.54RMSD-
HB strict3Strict recall0.50
HB same residue+role2HB role recall0.40
HB same residue2HB residue recall0.40

HB · H-bonds

Mode: strict. 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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
230 0.5079880905865612 -1.05823 -27.4761 7 16 15 0.79 0.40 - no Open
299 0.6541166288479228 -0.854458 -23.1766 4 15 0 0.00 0.00 - no Open
235 0.9617741215431999 -1.12463 -25.229 6 14 11 0.58 0.40 - no Open
231 2.18855395233315 -0.988386 -20.5952 6 18 0 0.00 0.00 - no Open
229 2.2323899897137838 -1.22394 -27.7163 4 18 13 0.68 0.40 - no Current
218 2.2689055911488274 -0.78972 -23.284 2 18 0 0.00 0.00 - no Open
259 2.2729413366463573 -1.11623 -28.5408 6 22 0 0.00 0.00 - no Open
272 2.457874472716344 -0.902589 -22.2336 4 14 0 0.00 0.00 - no Open
177 2.6921673697430357 -0.935706 -23.0441 7 17 0 0.00 0.00 - no Open
260 3.0169256640293716 -1.16386 -28.6068 6 23 0 0.00 0.00 - no Open
210 3.164995907995662 -1.27123 -28.8488 8 23 0 0.00 0.00 - no Open
276 3.36488331222722 -0.679093 -13.4836 5 10 0 0.00 0.00 - no Open
250 3.403056279509119 -0.752278 -20.1012 5 15 0 0.00 0.00 - no Open
277 3.748241609510073 -0.734284 -18.7968 5 12 0 0.00 0.00 - no Open
363 4.041594586258085 -0.824173 -18.2023 6 18 0 0.00 0.00 - no Open
209 4.429054136335406 -1.09718 -26.8529 8 22 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 -27.716kcal/mol
Ligand efficiency (LE) -0.9239kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.912
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 30HA

Physicochemical properties

Molecular weight 402.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.56
Lipinski: ≤ 5
Rotatable bonds 10

Conformational strain (MMFF94s)

Strain energy (ΔE) 28.89kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 90.25kcal/mol
Minimised FF energy 61.37kcal/mol

SASA & burial

✓ computed
SASA (unbound) 700.1Ų
Total solvent-accessible surface area of free ligand
BSA total 673.3Ų
Buried surface area upon binding
BSA apolar 596.6Ų
Hydrophobic contacts buried
BSA polar 76.7Ų
Polar contacts buried
Fraction buried 96.2%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 88.6%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1762.0Ų
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 2051.9Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 909.0Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)