FAIRMol

TC359

Pose ID 9849 Compound 44 Pose 363

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T15
T. brucei TR (Dimer cleft site) T. brucei Dimer cleft site
Ligand TC359
PDB9IFF

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Weak SASA cached
Weak or marginal quality
Binding strong Geometry high Native mixed SASA done
Strain ΔE
17.5 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.54, Jaccard 0.29
Burial
75%
Hydrophobic fit
89%
Reason: no major geometry red flags detected
1 protein-contact clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.607 kcal/mol/HA) ✓ Good fit quality (FQ -5.85) ✓ Strong H-bond network (6 bonds) ✓ Deep burial (75% SASA buried) ✓ Lipophilic contacts well-matched (89%) ✗ Moderate strain (17.5 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (11)
Score
-18.202
kcal/mol
LE
-0.607
kcal/mol/HA
Fit Quality
-5.85
FQ (Leeson)
HAC
30
heavy atoms
MW
402
Da
LogP
3.56
cLogP
Strain ΔE
17.5 kcal/mol
SASA buried
75%
Lipo contact
89% BSA apolar/total
SASA unbound
750 Ų
Apolar buried
499 Ų

Interaction summary

HB 6 HY 24 PI 1 CLASH 1
Final rank4.042Score-18.202
Inter norm-0.824Intra norm0.217
Top1000noExcludedno
Contacts18H-bonds6
Artifact reasongeometry warning; 11 clashes; 3 protein clashes
Residues
ALA209 ALA244 ALA77 ALA90 ARG74 ASN245 ASP71 GLU82 GLY246 GLY85 LEU73 LYS89 MET70 PHE83 SER76 TRP81 TYR408 VAL88

Protein summary

489 residues
Protein targetT15Atoms7420
Residues489Chains1
Residue summaryVAL:768; LYS:704; LEU:703; ILE:532; GLU:450; THR:434; ARG:408; PHE:400; ALA:390; ASN:350; PRO:350; GLY:336; SER:319; TYR:294; ASP:264; MET:204

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name9IFFContacts13
PoseOpen native poseHB0
IFP residues
ALA209 ARG74 ASN208 GLY214 GLY215 GLY85 LEU73 LYS211 MET70 PHE83 PRO212 PRO213 VAL88
Current overlap7Native recall0.54
Jaccard0.29RMSD-
HB strict0Strict recall-
HB same residue+role0HB role recall-
HB same residue0HB residue recall-

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 0 0.00 - - no Open
299 0.6541166288479228 -0.854458 -23.1766 4 15 0 0.00 - - no Open
235 0.9617741215431999 -1.12463 -25.229 6 14 0 0.00 - - no Open
231 2.18855395233315 -0.988386 -20.5952 6 18 0 0.00 - - no Open
229 2.2323899897137838 -1.22394 -27.7163 4 18 0 0.00 - - no Open
218 2.2689055911488274 -0.78972 -23.284 2 18 0 0.00 - - no Open
259 2.2729413366463573 -1.11623 -28.5408 6 22 0 0.00 - - no Open
272 2.457874472716344 -0.902589 -22.2336 4 14 0 0.00 - - no Open
177 2.6921673697430357 -0.935706 -23.0441 7 17 0 0.00 - - no Open
260 3.0169256640293716 -1.16386 -28.6068 6 23 0 0.00 - - no Open
210 3.164995907995662 -1.27123 -28.8488 8 23 0 0.00 - - no Open
276 3.36488331222722 -0.679093 -13.4836 5 10 0 0.00 - - no Open
250 3.403056279509119 -0.752278 -20.1012 5 15 0 0.00 - - no Open
277 3.748241609510073 -0.734284 -18.7968 5 12 0 0.00 - - no Open
363 4.041594586258085 -0.824173 -18.2023 6 18 7 0.54 - - no Current
209 4.429054136335406 -1.09718 -26.8529 8 22 0 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 -18.202kcal/mol
Ligand efficiency (LE) -0.6067kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -5.853
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) 17.47kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 77.92kcal/mol
Minimised FF energy 60.45kcal/mol

SASA & burial

✓ computed
SASA (unbound) 750.5Ų
Total solvent-accessible surface area of free ligand
BSA total 560.5Ų
Buried surface area upon binding
BSA apolar 498.8Ų
Hydrophobic contacts buried
BSA polar 61.7Ų
Polar contacts buried
Fraction buried 74.7%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 89.0%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -3150.0Ų
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 4005.2Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 1530.7Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)