FAIRMol

Z56784540

Pose ID 10762 Compound 1226 Pose 597

DB fairmolDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T16
T. brucei TR (Dimer interface (site 2)) T. brucei Dimer interface (site 2)
Ligand Z56784540
PDB6RB5

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
31.2 kcal/mol
Protein clashes
5
Internal clashes
5
Native overlap
contact recall 0.50, Jaccard 0.29
Burial
72%
Hydrophobic fit
89%
Reason: no major geometry red flags detected
5 protein-contact clashes 5 intramolecular clashes
EcoTox / ADMET In-silico prediction only
Fish LC₅₀
Cat. 1 — Very toxic (≤1 mg/L)
Daphnia EC₅₀
Cat. 1 — Very toxic (≤1 mg/L)
Algae IC₅₀
Cat. 1 — Very toxic (≤1 mg/L)
Bioaccum.
Not B (BCF≤2000)
Persistent
Yes
ADMET alerts (in-silico)
hERG High Ames Clear DILI Risk
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.758 kcal/mol/HA) ✓ Good fit quality (FQ -7.58) ✓ Good H-bonds (3 bonds) ✓ Deep burial (72% SASA buried) ✓ Lipophilic contacts well-matched (89%) ✗ Very high strain energy (31.2 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (10)
Score
-25.763
kcal/mol
LE
-0.758
kcal/mol/HA
Fit Quality
-7.58
FQ (Leeson)
HAC
34
heavy atoms
MW
467
Da
LogP
5.71
cLogP
Final rank
2.7973
rank score
Inter norm
-0.681
normalised
Contacts
15
H-bonds 4
Strain ΔE
31.2 kcal/mol
SASA buried
72%
Lipo contact
89% BSA apolar/total
SASA unbound
734 Ų
Apolar buried
470 Ų

Interaction summary

HBD 1 HBA 2 HY 7 PI 0 CLASH 5

HBD/HBA · H-bonds (geometric)

HBD = ligand donates H · HBA = ligand accepts H · ~ = weak (≥110°). Mode: permissive. Residues: 2.

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: permissive.
Name6RB5Contacts12
PoseOpen native poseHB0
IFP residues
ALA90 ARG74 GLY85 LEU73 LYS89 MET70 PHE83 PRO212 PRO213 SER86 SER87 VAL88
Current overlap6Native recall0.50
Jaccard0.29RMSD-
HB strict0Strict recall-
HB same residue+role0HB role recall-
HB same residue0HB residue recall-

Protein summary

493 residues
Protein targetT16Atoms7551
Residues493Chains1
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:276; MET:221

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:FAD501

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
578 1.3654910373235143 -0.826977 -20.9854 4 16 0 0.00 - - no Open
588 2.0183812075455676 -0.956391 -29.4261 2 18 0 0.00 - - no Open
597 2.797313622627395 -0.680997 -25.7631 4 15 6 0.50 - - no Current
600 3.498820415806573 -0.729848 -23.2377 5 13 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 -25.763kcal/mol
Ligand efficiency (LE) -0.7577kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.582
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 34HA

Physicochemical properties

Molecular weight 466.6Da
Lipinski: ≤ 500 Da
LogP (cLogP) 5.71
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 31.22kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 97.85kcal/mol
Minimised FF energy 66.64kcal/mol

SASA & burial

✓ computed
SASA (unbound) 733.8Ų
Total solvent-accessible surface area of free ligand
BSA total 525.5Ų
Buried surface area upon binding
BSA apolar 469.5Ų
Hydrophobic contacts buried
BSA polar 56.0Ų
Polar contacts buried
Fraction buried 71.6%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 89.3%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -3226.5Ų
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 4076.6Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 1484.2Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)