FAIRMol

Z56574044

Pose ID 10714 Compound 1083 Pose 549

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 Z56574044
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 high Native strong SASA done
Strain ΔE
29.5 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.67, Jaccard 0.44
Burial
62%
Hydrophobic fit
67%
Reason: no major geometry red flags detected
1 protein-contact clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.564 kcal/mol/HA) ✓ Good fit quality (FQ -5.69) ✓ Strong H-bond network (6 bonds) ✓ Good burial (62% SASA buried) ✓ Lipophilic contacts well-matched (67%) ✗ High strain energy (29.5 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (9)
Score
-19.747
kcal/mol
LE
-0.564
kcal/mol/HA
Fit Quality
-5.69
FQ (Leeson)
HAC
35
heavy atoms
MW
556
Da
LogP
3.78
cLogP
Strain ΔE
29.5 kcal/mol
SASA buried
62%
Lipo contact
67% BSA apolar/total
SASA unbound
721 Ų
Apolar buried
298 Ų

Interaction summary

HB 6 HY 22 PI 0 CLASH 1
Final rank4.291Score-19.747
Inter norm-0.720Intra norm0.156
Top1000noExcludedno
Contacts14H-bonds6
Artifact reasongeometry warning; 9 clashes; 3 protein clashes; moderate strain Δ 29.5
Residues
ALA209 ALA90 ASN208 GLY214 GLY215 LYS211 LYS89 MET70 PRO212 PRO213 SER86 SER87 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 overlap8Native recall0.67
Jaccard0.44RMSD-
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
529 0.9445005848433938 -0.810999 -25.0673 1 20 0 0.00 - - no Open
502 1.1795347138132308 -0.750608 -25.164 4 18 0 0.00 - - no Open
510 3.0823164052983607 -0.731554 -19.1628 12 12 0 0.00 - - no Open
520 3.5353181371270432 -0.696051 -19.5183 5 13 0 0.00 - - no Open
542 4.023985359608445 -0.681281 -20.3873 6 19 0 0.00 - - no Open
549 4.290601727260935 -0.720113 -19.7467 6 14 8 0.67 - - no Current
507 4.7019393478823455 -0.65471 -21.0256 6 17 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 -19.747kcal/mol
Ligand efficiency (LE) -0.5642kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -5.691
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 35HA

Physicochemical properties

Molecular weight 556.1Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.78
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 29.53kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 1.79kcal/mol
Minimised FF energy -27.73kcal/mol

SASA & burial

✓ computed
SASA (unbound) 720.5Ų
Total solvent-accessible surface area of free ligand
BSA total 443.2Ų
Buried surface area upon binding
BSA apolar 297.5Ų
Hydrophobic contacts buried
BSA polar 145.7Ų
Polar contacts buried
Fraction buried 61.5%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 67.1%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -3079.4Ų
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 4076.6Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 1499.3Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)