FAIRMol

Z55694322

Pose ID 11472 Compound 256 Pose 629

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 Z55694322
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
25.0 kcal/mol
Protein clashes
3
Internal clashes
3
Native overlap
contact recall 0.83, Jaccard 0.48, H-bond role recall 0.00
Burial
80%
Hydrophobic fit
81%
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 (-0.668 kcal/mol/HA) ✓ Good fit quality (FQ -6.62) ✓ Strong H-bond network (6 bonds) ✓ Deep burial (80% SASA buried) ✓ Lipophilic contacts well-matched (81%) ✗ High strain energy (25.0 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (14)
Score
-22.036
kcal/mol
LE
-0.668
kcal/mol/HA
Fit Quality
-6.62
FQ (Leeson)
HAC
33
heavy atoms
MW
460
Da
LogP
5.10
cLogP
Strain ΔE
25.0 kcal/mol
SASA buried
80%
Lipo contact
81% BSA apolar/total
SASA unbound
737 Ų
Apolar buried
480 Ų

Interaction summary

HB 6 HY 24 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 rank4.070Score-22.036
Inter norm-0.675Intra norm0.008
Top1000noExcludedno
Contacts19H-bonds6
Artifact reasongeometry warning; 14 clashes; 2 protein clashes; moderate strain Δ 24.9
Residues
ALA363 ARG228 ARG361 CYS375 GLY229 GLY376 HIS428 LEU332 LEU334 LEU377 MET333 PHE198 PHE230 SER364 THR360 THR374 VAL362 VAL366 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 overlap10Native recall0.83
Jaccard0.48RMSD-
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
620 0.9124878828115518 -0.742763 -23.1308 0 15 0 0.00 0.00 - no Open
616 1.5903297613763936 -0.695296 -20.3004 1 17 0 0.00 0.00 - no Open
617 1.6999776302048877 -0.781972 -26.1696 4 14 0 0.00 0.00 - no Open
606 2.1579267805035065 -0.935582 -30.0151 4 17 0 0.00 0.00 - no Open
619 2.321598553519423 -0.843726 -27.1331 2 17 0 0.00 0.00 - no Open
611 2.3721997365242466 -0.744991 -19.006 2 19 0 0.00 0.00 - no Open
632 2.5845937659195366 -0.808096 -24.1504 9 17 0 0.00 0.00 - no Open
628 3.0667722052197655 -0.693175 -22.2941 6 15 0 0.00 0.00 - no Open
615 3.648743788972634 -0.72495 -21.5538 6 19 0 0.00 0.00 - no Open
629 4.069678458429272 -0.67542 -22.0358 6 19 10 0.83 0.00 - no Current
630 4.138721914791422 -0.806706 -25.3439 5 18 0 0.00 0.00 - no Open
616 5.015225112007658 -0.909212 -28.7073 9 17 0 0.00 0.00 - no Open
641 5.605204418092712 -1.11254 -33.8589 9 20 0 0.00 0.00 - no Open
631 5.82846986775583 -0.854024 -26.3807 7 19 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 -22.036kcal/mol
Ligand efficiency (LE) -0.6678kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -6.625
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 33HA

Physicochemical properties

Molecular weight 459.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 5.10
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 25.02kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 31.68kcal/mol
Minimised FF energy 6.66kcal/mol

SASA & burial

✓ computed
SASA (unbound) 737.0Ų
Total solvent-accessible surface area of free ligand
BSA total 590.8Ų
Buried surface area upon binding
BSA apolar 479.5Ų
Hydrophobic contacts buried
BSA polar 111.3Ų
Polar contacts buried
Fraction buried 80.2%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 81.2%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -6607.4Ų
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 2064.5Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)