FAIRMol

Z594284196

Pose ID 11374 Compound 3422 Pose 531

DB fairmolDocking pose analysis is being read from this database.
Compound detail Protein structures Back to compounds
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T17
T. brucei TR (Doorstop site) T. brucei Doorstop site
Ligand Z594284196
PDB5S9T↗

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 strong SASA done
Strain ΔE
22.4 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 0.58, Jaccard 0.35, H-bond role recall 0.00
Burial
76%
Hydrophobic fit
63%
Reason: no major geometry red flags detected
2 protein-contact clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.144 kcal/mol/HA) ✓ Good fit quality (FQ -8.95) ✓ Strong H-bond network (6 bonds) ✓ Deep burial (76% SASA buried) ✓ Lipophilic contacts well-matched (63%) ✗ High strain energy (22.4 kcal/mol) ✗ Geometry warnings
Score
-19.453
kcal/mol
LE
-1.144
kcal/mol/HA
Fit Quality
-8.95
FQ (Leeson)
HAC
17
heavy atoms
MW
244
Da
LogP
-3.01
cLogP
Final rank
2.4231
rank score
Inter norm
-1.338
normalised
Contacts
15
H-bonds 11
Strain ΔE
22.4 kcal/mol
SASA buried
76%
Lipo contact
63% BSA apolar/total
SASA unbound
432 Ų
Apolar buried
206 Ų

Interaction summary

HBD 4 HBA 2 HY 2 PI 0 CLASH 2

HBD/HBA · H-bonds (geometric)
HBD = ligand donates H · HBA = ligand accepts H · ~ = weak (≥110°). Mode: strict. Residues: 4.

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.
Name5S9TContacts12
PoseOpen native poseHB0
IFP residues
ALA365 ARG228 ARG331 GLY229 LEU332 LEU334 MET333 PHE198 PHE230 SER364 THR374 VAL366
Current overlap7Native recall0.58
Jaccard0.35RMSD-
HB strict0Strict recall0.00
HB same residue+role0HB role recall0.00
HB same residue0HB residue recall0.00

Protein summary

1033 residues
Protein targetT17Atoms15160
Residues1033Chains2
Residue summaryVAL:1536; LEU:1387; LYS:1386; ILE:1064; GLU:900; THR:868; ARG:816; PHE:800; ALA:780; ASN:700; PRO:686; GLY:672; SER:616; TYR:588; ASP:528; MET:408

Receptor context

2 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 2 Excluded HETATM 0
Kept cofactors / ions
A:FAD501 B:FAD501

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
531 2.423091240384943 -1.33769 -19.4535 11 15 7 0.58 0.00 - no Current
493 2.6561513612668817 -1.41746 -21.252 13 13 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 -19.453kcal/mol
Ligand efficiency (LE) -1.1443kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.948
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 17HA

Physicochemical properties
Molecular weight 244.2Da
Lipinski: ≤ 500 Da
LogP (cLogP) -3.01
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)
Strain energy (ΔE) 22.36kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 144.28kcal/mol
Minimised FF energy 121.93kcal/mol

SASA & burial

✓ computed
SASA (unbound) 431.6Ų
Total solvent-accessible surface area of free ligand
BSA total 328.1Ų
Buried surface area upon binding
BSA apolar 206.4Ų
Hydrophobic contacts buried
BSA polar 121.7Ų
Polar contacts buried
Fraction buried 76.0%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 62.9%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -6249.2Ų
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 8063.1Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 2067.2Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)