FAIRMol

Z56935326

Pose ID 10785 Compound 1015 Pose 620

DB SELECTIONDocking 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 Z56935326
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
17.2 kcal/mol
Protein clashes
3
Internal clashes
3
Native overlap
contact recall 0.50, Jaccard 0.30
Burial
62%
Hydrophobic fit
93%
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 (-0.682 kcal/mol/HA) ✓ Good fit quality (FQ -6.93) ✓ Good H-bonds (3 bonds) ✓ Good burial (62% SASA buried) ✓ Lipophilic contacts well-matched (93%) ✗ Moderate strain (17.2 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (20)
Score
-24.549
kcal/mol
LE
-0.682
kcal/mol/HA
Fit Quality
-6.93
FQ (Leeson)
HAC
36
heavy atoms
MW
466
Da
LogP
7.87
cLogP
Strain ΔE
17.2 kcal/mol
SASA buried
62%
Lipo contact
93% BSA apolar/total
SASA unbound
807 Ų
Apolar buried
462 Ų

Interaction summary

HB 3 HY 24 PI 0 CLASH 3
Final rank3.379Score-24.549
Inter norm-0.786Intra norm0.104
Top1000noExcludedno
Contacts14H-bonds3
Artifact reasongeometry warning; 20 clashes; 1 protein clash
Residues
ALA90 ASN91 GLY214 GLY215 LYS211 LYS89 LYS93 PRO187 PRO212 PRO213 SER86 TRP92 TYR210 VAL88

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

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name6RB5Contacts12
PoseOpen native poseHB0
IFP residues
ALA90 ARG74 GLY85 LEU73 LYS89 MET70 PHE83 PRO212 PRO213 SER86 SER87 VAL88
Current overlap6Native recall0.50
Jaccard0.30RMSD-
HB strict0Strict recall-
HB same residue+role0HB role recall-
HB same residue0HB residue recall-

HB · H-bonds

Mode: strict. Count shows atom-level H-bonds; unique residues in summary: 0.

PI · π–π interactions

No pi · π–π interactions detected for this pose.

HY · Hydrophobic contacts

CLASH · Clashes

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
637 1.8836013452383191 -0.660271 -24.7592 1 16 0 0.00 - - no Open
620 3.378715481140251 -0.78601 -24.5487 3 14 6 0.50 - - no Current
629 3.4909215645034988 -0.560552 -18.2071 4 14 0 0.00 - - no Open
618 3.5438463176472115 -0.703934 -22.6562 3 19 0 0.00 - - no Open
632 3.949263008578241 -0.609384 -21.8707 4 9 0 0.00 - - no Open
633 3.986665341300043 -0.658461 -25.2639 3 20 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 -24.549kcal/mol
Ligand efficiency (LE) -0.6819kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -6.931
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 36HA

Physicochemical properties

Molecular weight 465.6Da
Lipinski: ≤ 500 Da
LogP (cLogP) 7.87
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 17.20kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 99.03kcal/mol
Minimised FF energy 81.84kcal/mol

SASA & burial

✓ computed
SASA (unbound) 807.2Ų
Total solvent-accessible surface area of free ligand
BSA total 497.2Ų
Buried surface area upon binding
BSA apolar 462.4Ų
Hydrophobic contacts buried
BSA polar 34.7Ų
Polar contacts buried
Fraction buried 61.6%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 93.0%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -3308.5Ų
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 1534.3Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)