FAIRMol

TC358

Pose ID 4976 Compound 44 Pose 235

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T08
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
Reject SASA cached
Likely artefact or unreliable pose
Binding strong Geometry medium Native strong SASA done
Strain ΔE
27.5 kcal/mol
Protein clashes
2
Internal clashes
5
Native overlap
contact recall 0.58, Jaccard 0.50, H-bond role recall 0.40
Burial
84%
Hydrophobic fit
89%
Reason: no major geometry red flags detected
2 protein-contact clashes 5 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.841 kcal/mol/HA) ✓ Good fit quality (FQ -8.11) ✓ Strong H-bond network (6 bonds) ✓ Deep burial (84% SASA buried) ✓ Lipophilic contacts well-matched (89%) ✗ High strain energy (27.5 kcal/mol) ✗ Geometry warnings ✗ Protein-contact clashes (5) ✗ Many internal clashes (11)
Score
-25.229
kcal/mol
LE
-0.841
kcal/mol/HA
Fit Quality
-8.11
FQ (Leeson)
HAC
30
heavy atoms
MW
402
Da
LogP
3.56
cLogP
Strain ΔE
27.5 kcal/mol
SASA buried
84%
Lipo contact
89% BSA apolar/total
SASA unbound
715 Ų
Apolar buried
534 Ų

Interaction summary

HB 6 HY 24 PI 3 CLASH 5
Final rank0.962Score-25.229
Inter norm-1.125Intra norm0.284
Top1000noExcludedno
Contacts14H-bonds6
Artifact reasongeometry warning; 11 clashes; 5 protein contact clashes; 1 severe cofactor-context clash; moderate strain Δ 27.2
Residues
ALA96 ARG14 ASP161 CYS168 LEU208 LEU209 LYS13 NAP301 PHE97 PRO210 SER95 TYR174 TYR98 VAL211

Protein summary

258 residues
Protein targetT08Atoms3881
Residues258Chains2
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 overlap11Native recall0.58
Jaccard0.50RMSD-
HB strict0Strict recall0.00
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 Current
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 Open
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 -25.229kcal/mol
Ligand efficiency (LE) -0.8410kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.112
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) 27.45kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 87.67kcal/mol
Minimised FF energy 60.21kcal/mol

SASA & burial

✓ computed
SASA (unbound) 715.1Ų
Total solvent-accessible surface area of free ligand
BSA total 602.0Ų
Buried surface area upon binding
BSA apolar 534.3Ų
Hydrophobic contacts buried
BSA polar 67.7Ų
Polar contacts buried
Fraction buried 84.2%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 88.8%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1752.9Ų
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 941.8Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)