FAIRMol

Z20127922

Pose ID 10812 Compound 3133 Pose 647

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 Z20127922
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
Promising but geometrically suspicious
Binding strong Geometry low Native strong SASA done
Strain ΔE
25.7 kcal/mol
Protein clashes
0
Internal clashes
14
Native overlap
contact recall 0.83, Jaccard 0.59
Burial
73%
Hydrophobic fit
81%
Reason: 14 internal clashes
14 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.677 kcal/mol/HA) ✓ Good fit quality (FQ -6.88) ✓ Deep burial (73% SASA buried) ✓ Lipophilic contacts well-matched (81%) ✗ High strain energy (25.7 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (14)
Score
-24.387
kcal/mol
LE
-0.677
kcal/mol/HA
Fit Quality
-6.88
FQ (Leeson)
HAC
36
heavy atoms
MW
519
Da
LogP
4.37
cLogP
Strain ΔE
25.7 kcal/mol
SASA buried
73%
Lipo contact
81% BSA apolar/total
SASA unbound
796 Ų
Apolar buried
473 Ų

Interaction summary

HB 1 HY 24 PI 1 CLASH 0
Final rank2.681Score-24.387
Inter norm-0.655Intra norm-0.022
Top1000noExcludedno
Contacts15H-bonds1
Artifact reasongeometry warning; 14 clashes; 1 protein clash; moderate strain Δ 25.7
Residues
ALA90 ARG74 ASN91 GLY214 LEU73 LYS211 LYS89 MET70 PHE83 PRO187 PRO212 PRO213 SER86 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 overlap10Native recall0.83
Jaccard0.59RMSD-
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

Native π–π recall is disabled because no explicit native π–π reference was stored.

HY · Hydrophobic contacts

CLASH · Clashes

No clash · clashes detected for this pose.

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
669 2.242959162236587 -0.630998 -24.4217 2 16 0 0.00 - - no Open
658 2.348686823393062 -1.02818 -37.7301 4 16 0 0.00 - - no Open
666 2.6812968608128886 -0.619624 -21.6677 4 24 0 0.00 - - no Open
647 2.681307657453689 -0.654945 -24.3869 1 15 10 0.83 - - no Current
669 2.976194309743088 -0.539639 -21.2114 3 15 0 0.00 - - no Open
677 3.703549043285708 -0.923151 -32.1561 6 23 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 -24.387kcal/mol
Ligand efficiency (LE) -0.6774kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -6.885
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 36HA

Physicochemical properties

Molecular weight 518.7Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.37
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 25.74kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 38.12kcal/mol
Minimised FF energy 12.38kcal/mol

SASA & burial

✓ computed
SASA (unbound) 795.8Ų
Total solvent-accessible surface area of free ligand
BSA total 583.6Ų
Buried surface area upon binding
BSA apolar 472.5Ų
Hydrophobic contacts buried
BSA polar 111.1Ų
Polar contacts buried
Fraction buried 73.3%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 81.0%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -3247.3Ų
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 1471.2Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)