FAIRMol

Z151832316

Pose ID 11489 Compound 128 Pose 646

DB fairmolDocking 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 Z151832316
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
21.3 kcal/mol
Protein clashes
3
Internal clashes
3
Native overlap
contact recall 0.58, Jaccard 0.33, H-bond role recall 0.00
Burial
79%
Hydrophobic fit
70%
Reason: no major geometry red flags detected
3 protein-contact clashes 3 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.769 kcal/mol/HA) ✓ Good fit quality (FQ -7.42) ✓ Strong H-bond network (6 bonds) ✓ Deep burial (79% SASA buried) ✓ Lipophilic contacts well-matched (70%) ✗ High strain energy (21.3 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (6)
Score
-23.084
kcal/mol
LE
-0.769
kcal/mol/HA
Fit Quality
-7.42
FQ (Leeson)
HAC
30
heavy atoms
MW
458
Da
LogP
4.39
cLogP
Strain ΔE
21.3 kcal/mol
SASA buried
79%
Lipo contact
70% BSA apolar/total
SASA unbound
715 Ų
Apolar buried
395 Ų

Interaction summary

HB 6 HY 18 PI 2 CLASH 3

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 rank2.859Score-23.084
Inter norm-0.784Intra norm0.015
Top1000noExcludedno
Contacts16H-bonds6
Artifact reasongeometry warning; 6 clashes; 2 protein clashes
Residues
ARG228 GLY196 GLY197 GLY229 GLY376 ILE378 LEU227 LEU332 LEU334 LEU377 PHE198 PHE230 SER364 TYR221 VAL362 VAL381

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
Jaccard0.33RMSD-
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
638 0.34325018158882725 -0.807998 -21.4581 1 12 0 0.00 0.00 - no Open
623 0.39759002964385937 -0.907597 -28.7047 4 18 0 0.00 0.00 - no Open
626 1.1227923024226714 -1.1074 -32.2501 5 18 0 0.00 0.00 - no Open
626 1.1240171034297752 -0.831029 -27.0616 5 17 0 0.00 0.00 - no Open
630 1.7563715265578972 -0.846368 -25.076 4 14 0 0.00 0.00 - no Open
646 2.8590489487856874 -0.784314 -23.0842 6 16 7 0.58 0.00 - no Current
639 3.474974056717497 -0.915663 -28.6397 5 9 0 0.00 0.00 - no Open
649 3.8018158212879913 -0.815353 -24.1731 5 14 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 -23.084kcal/mol
Ligand efficiency (LE) -0.7695kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.423
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 30HA

Physicochemical properties

Molecular weight 457.6Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.39
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 21.33kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -20.51kcal/mol
Minimised FF energy -41.84kcal/mol

SASA & burial

✓ computed
SASA (unbound) 715.2Ų
Total solvent-accessible surface area of free ligand
BSA total 564.2Ų
Buried surface area upon binding
BSA apolar 395.3Ų
Hydrophobic contacts buried
BSA polar 169.0Ų
Polar contacts buried
Fraction buried 78.9%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 70.1%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -6501.2Ų
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 2075.2Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)