FAIRMol

Z803081352

Pose ID 10072 Compound 2003 Pose 586

DB fairmolDocking 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 Z803081352
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 medium Native mixed SASA done
Strain ΔE
36.0 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 0.54, Jaccard 0.37
Burial
84%
Hydrophobic fit
80%
Reason: no major geometry red flags detected
2 protein-contact clashes
EcoTox / ADMET In-silico prediction only
Fish LC₅₀
Not classified (>100 mg/L)
Daphnia EC₅₀
Not classified (>100 mg/L)
Algae IC₅₀
Not classified (>100 mg/L)
Bioaccum.
Not B (BCF≤2000)
Persistent
No
ADMET alerts (in-silico)
hERG Low Ames Clear DILI Low
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.283 kcal/mol/HA) ✓ Good fit quality (FQ -10.03) ✓ Good H-bonds (4 bonds) ✓ Deep burial (84% SASA buried) ✓ Lipophilic contacts well-matched (80%) ✗ Very high strain energy (36.0 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (5)
Score
-21.806
kcal/mol
LE
-1.283
kcal/mol/HA
Fit Quality
-10.03
FQ (Leeson)
HAC
17
heavy atoms
MW
235
Da
LogP
-1.20
cLogP
Final rank
3.7135
rank score
Inter norm
-1.375
normalised
Contacts
13
H-bonds 6
Strain ΔE
36.0 kcal/mol
SASA buried
84%
Lipo contact
80% BSA apolar/total
SASA unbound
444 Ų
Apolar buried
299 Ų

Interaction summary

HBD 3 HBA 1 HY 8 PI 0 CLASH 2

HBD/HBA · H-bonds (geometric)

HBD = ligand donates H · HBA = ligand accepts H · ~ = weak (≥110°). Mode: strict. Residues: 3.

PI · π–π interactions

No pi · π–π interactions detected for this pose.

HY · Hydrophobic contacts

CLASH · Clashes

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
Jaccard0.37RMSD-
HB strict0Strict recall-
HB same residue+role0HB role recall-
HB same residue0HB residue recall-

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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
522 1.0727668914797084 -1.69941 -27.5861 8 13 0 0.00 - - no Open
586 3.713527514159604 -1.37484 -21.8057 6 13 7 0.54 - - 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 -21.806kcal/mol
Ligand efficiency (LE) -1.2827kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -10.030
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 17HA

Physicochemical properties

Molecular weight 235.3Da
Lipinski: ≤ 500 Da
LogP (cLogP) -1.20
Lipinski: ≤ 5
Rotatable bonds 3

Conformational strain (MMFF94s)

Strain energy (ΔE) 36.04kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 19.09kcal/mol
Minimised FF energy -16.95kcal/mol

SASA & burial

✓ computed
SASA (unbound) 444.3Ų
Total solvent-accessible surface area of free ligand
BSA total 375.0Ų
Buried surface area upon binding
BSA apolar 299.2Ų
Hydrophobic contacts buried
BSA polar 75.7Ų
Polar contacts buried
Fraction buried 84.4%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 79.8%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2836.0Ų
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 1520.9Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)