FAIRMol

TC394

Pose ID 9063 Compound 418 Pose 255

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T14
T. brucei ODC (G418 binding site) T. brucei G418 binding site
Ligand TC394
PDB1NJJ

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 mixed SASA done
Strain ΔE
27.3 kcal/mol
Protein clashes
0
Internal clashes
12
Native overlap
contact recall 0.47, Jaccard 0.29, H-bond role recall 0.20
Burial
66%
Hydrophobic fit
74%
Reason: 12 internal clashes
12 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.868 kcal/mol/HA) ✓ Good fit quality (FQ -8.37) ✓ Strong H-bond network (10 bonds) ✓ Deep burial (66% SASA buried) ✓ Lipophilic contacts well-matched (74%) ✗ High strain energy (27.3 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (12)
Score
-26.037
kcal/mol
LE
-0.868
kcal/mol/HA
Fit Quality
-8.37
FQ (Leeson)
HAC
30
heavy atoms
MW
429
Da
LogP
4.30
cLogP
Strain ΔE
27.3 kcal/mol
SASA buried
66%
Lipo contact
74% BSA apolar/total
SASA unbound
694 Ų
Apolar buried
338 Ų

Interaction summary

HB 10 HY 8 PI 1 CLASH 0

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

No clash · clashes detected for this pose.
Final rank5.088Score-26.037
Inter norm-1.004Intra norm0.136
Top1000noExcludedno
Contacts16H-bonds10
Artifact reasongeometry warning; 12 clashes; 4 protein clashes; moderate strain Δ 26.4
Residues
ARG337 ASP243 ASP385 GLU384 LEU339 LEU350 LEU372 LEU382 MET386 PHE383 PRO338 PRO340 PRO373 TYR370 TYR371 VAL336

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name1NJJContacts15
PoseOpen native poseHB0
IFP residues
ARG22 ARG242 ARG337 ARG342 ASP243 ASP385 GLN341 GLU384 LEU25 LEU339 LEU382 PRO340 PRO344 SER282 THR241
Current overlap7Native recall0.47
Jaccard0.29RMSD-
HB strict0Strict recall0.00
HB same residue+role1HB role recall0.20
HB same residue1HB residue recall0.20

Protein summary

398 residues
Protein targetT14Atoms6140
Residues398Chains1
Residue summaryVAL:592; LEU:513; LYS:484; ARG:432; PHE:420; ILE:418; ASP:349; THR:322; TYR:315; PRO:308; GLU:301; ALA:290; SER:253; GLY:217; ASN:210; GLN:170

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:ORX602

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
280 1.52539503686563 -0.662194 -17.04 7 10 0 0.00 0.00 - no Open
229 1.6445127772881427 -0.831216 -20.0129 3 18 0 0.00 0.00 - no Open
304 2.4289558876805577 -0.883414 -27.2825 5 19 0 0.00 0.00 - no Open
200 2.7943043630904865 -0.991983 -29.0382 5 18 0 0.00 0.00 - no Open
338 2.9426194963746157 -0.805084 -22.5863 7 13 0 0.00 0.00 - no Open
276 3.0164538929855427 -1.03597 -29.4518 6 12 0 0.00 0.00 - no Open
255 5.08809010873305 -1.00429 -26.0374 10 16 7 0.47 0.20 - 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 -26.037kcal/mol
Ligand efficiency (LE) -0.8679kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.372
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 30HA

Physicochemical properties

Molecular weight 428.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.30
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 27.31kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 92.76kcal/mol
Minimised FF energy 65.44kcal/mol

SASA & burial

✓ computed
SASA (unbound) 694.4Ų
Total solvent-accessible surface area of free ligand
BSA total 456.0Ų
Buried surface area upon binding
BSA apolar 337.8Ų
Hydrophobic contacts buried
BSA polar 118.2Ų
Polar contacts buried
Fraction buried 65.7%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 74.1%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2530.4Ų
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 3349.0Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 1384.0Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)