FAIRMol

OHD_TB2022_30

Pose ID 10211 Compound 1443 Pose 46

DB fairmolDocking 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 OHD_TB2022_30
PDB6RB5

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Reject SASA cached
Promising but geometrically suspicious
Binding strong Geometry low Native strong SASA done
Strain ΔE
69.3 kcal/mol
Protein clashes
4
Internal clashes
4
Native overlap
contact recall 0.67, Jaccard 0.44
Burial
75%
Hydrophobic fit
60%
Reason: strain 69.3 kcal/mol
strain ΔE 69.3 kcal/mol 4 protein-contact clashes 4 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.787 kcal/mol/HA) ✓ Good fit quality (FQ -7.25) ✓ Strong H-bond network (10 bonds) ✓ Deep burial (75% SASA buried) ✓ Lipophilic contacts well-matched (60%) ✗ Extreme strain energy (69.3 kcal/mol) ✗ Geometry warnings
Score
-20.457
kcal/mol
LE
-0.787
kcal/mol/HA
Fit Quality
-7.25
FQ (Leeson)
HAC
26
heavy atoms
MW
393
Da
LogP
-2.41
cLogP
Strain ΔE
69.3 kcal/mol
SASA buried
75%
Lipo contact
60% BSA apolar/total
SASA unbound
618 Ų
Apolar buried
278 Ų

Interaction summary

HB 10 HY 8 PI 0 CLASH 4

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

Final rank5.497Score-20.457
Inter norm-0.911Intra norm0.124
Top1000noExcludedno
Contacts14H-bonds10
Artifact reasongeometry warning; 3 clashes; 4 protein clashes; high strain Δ 69.2
Residues
ALA209 ALA90 GLY214 GLY215 GLY85 LYS211 LYS89 MET70 PRO187 PRO212 PRO213 SER86 TYR210 VAL88

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-

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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
40 0.7855830598338656 -1.24651 -24.0164 5 10 0 0.00 - - no Open
39 3.881012812911613 -1.02877 -19.097 16 18 0 0.00 - - no Open
62 4.044692383763179 -1.52646 -33.64 14 19 0 0.00 - - no Open
73 4.3547764325944724 -1.10988 -24.1849 14 20 1 0.08 - - no Open
46 5.49749655784152 -0.910738 -20.4574 10 14 8 0.67 - - no Current

Molecular metrics

RDKit SASA burial, strain energy (MMFF94s), ligand efficiency and fit quality for this docking pose.
✓ Metrics available

Scoring & efficiency

Docking score -20.457kcal/mol
Ligand efficiency (LE) -0.7868kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.249
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 26HA

Physicochemical properties

Molecular weight 393.3Da
Lipinski: ≤ 500 Da
LogP (cLogP) -2.41
Lipinski: ≤ 5
Rotatable bonds 14

Conformational strain (MMFF94s)

Strain energy (ΔE) 69.33kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 8.91kcal/mol
Minimised FF energy -60.42kcal/mol

SASA & burial

✓ computed
SASA (unbound) 618.0Ų
Total solvent-accessible surface area of free ligand
BSA total 462.3Ų
Buried surface area upon binding
BSA apolar 277.7Ų
Hydrophobic contacts buried
BSA polar 184.6Ų
Polar contacts buried
Fraction buried 74.8%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 60.1%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2976.5Ų
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 1454.0Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)