FAIRMol

Z49605060

Pose ID 11274 Compound 1144 Pose 431

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T17
T. brucei TR (Doorstop site) T. brucei Doorstop site
Ligand Z49605060
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 medium Native strong SASA done
Strain ΔE
28.4 kcal/mol
Protein clashes
4
Internal clashes
4
Native overlap
contact recall 0.42, Jaccard 0.23, H-bond role recall 1.00
Burial
83%
Hydrophobic fit
68%
Reason: no major geometry red flags detected
4 protein-contact clashes 4 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.882 kcal/mol/HA) ✓ Good fit quality (FQ -8.23) ✓ Strong H-bond network (8 bonds) ✓ Deep burial (83% SASA buried) ✓ Lipophilic contacts well-matched (68%) ✗ High strain energy (28.4 kcal/mol) ✗ Geometry warnings ✗ Protein-contact clashes (9) ✗ Internal clashes (9)
Score
-23.818
kcal/mol
LE
-0.882
kcal/mol/HA
Fit Quality
-8.23
FQ (Leeson)
HAC
27
heavy atoms
MW
389
Da
LogP
1.65
cLogP
Strain ΔE
28.4 kcal/mol
SASA buried
83%
Lipo contact
68% BSA apolar/total
SASA unbound
600 Ų
Apolar buried
339 Ų

Interaction summary

HB 8 HY 24 PI 1 CLASH 4

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

Final rank1.656Score-23.818
Inter norm-0.886Intra norm-0.001
Top1000noExcludedno
Contacts15H-bonds8
Artifact reasongeometry warning; 9 clashes; 9 protein contact clashes; moderate strain Δ 28.4
Residues
ALA284 ARG287 FAD501 GLY195 GLY196 GLY197 GLY286 ILE199 ILE285 LEU332 LEU334 MET333 PHE198 PHE230 SER200

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 overlap5Native recall0.42
Jaccard0.23RMSD-
HB strict1Strict recall1.00
HB same residue+role1HB role recall1.00
HB same residue1HB residue recall1.00

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
382 1.1856817848753087 -1.2299 -36.6954 12 11 0 0.00 0.00 - no Open
410 1.5492191472670493 -1.06094 -32.6346 3 14 0 0.00 0.00 - no Open
431 1.6558929653522128 -0.885977 -23.8179 8 15 5 0.42 1.00 - no Current
392 1.7134426677175625 -1.06546 -26.3867 8 14 0 0.00 0.00 - no Open
346 2.08459079571292 -1.28056 -31.9367 8 14 0 0.00 0.00 - no Open
331 2.799827702615812 -1.05953 -20.0297 5 12 0 0.00 0.00 - no Open
363 2.9071394399987356 -1.09378 -35.5375 7 24 0 0.00 0.00 - no Open
392 3.4571126202015106 -1.01023 -31.045 12 17 0 0.00 0.00 - no Open
374 4.317628293699705 -0.87843 -27.1637 5 14 0 0.00 0.00 - no Open
366 4.388836339845029 -1.195 -30.9661 12 24 0 0.00 0.00 - no Open
359 5.916636608464641 -1.03551 -21.5961 9 18 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 -23.818kcal/mol
Ligand efficiency (LE) -0.8821kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.230
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 27HA

Physicochemical properties

Molecular weight 389.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 1.65
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 28.41kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 41.30kcal/mol
Minimised FF energy 12.90kcal/mol

SASA & burial

✓ computed
SASA (unbound) 599.7Ų
Total solvent-accessible surface area of free ligand
BSA total 495.8Ų
Buried surface area upon binding
BSA apolar 338.8Ų
Hydrophobic contacts buried
BSA polar 157.0Ų
Polar contacts buried
Fraction buried 82.7%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 68.3%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -6424.4Ų
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 8063.1Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 2054.6Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)