FAIRMol

OHD_MAC_48

Pose ID 10613 Compound 900 Pose 448

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 OHD_MAC_48
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
54.8 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.75, Jaccard 0.50
Burial
73%
Hydrophobic fit
80%
Reason: strain 54.8 kcal/mol
strain ΔE 54.8 kcal/mol 1 protein-contact clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.725 kcal/mol/HA) ✓ Good fit quality (FQ -7.26) ✓ Good H-bonds (5 bonds) ✓ Deep burial (73% SASA buried) ✓ Lipophilic contacts well-matched (80%) ✗ Extreme strain energy (54.8 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (16)
Score
-24.656
kcal/mol
LE
-0.725
kcal/mol/HA
Fit Quality
-7.26
FQ (Leeson)
HAC
34
heavy atoms
MW
461
Da
LogP
3.08
cLogP
Strain ΔE
54.8 kcal/mol
SASA buried
73%
Lipo contact
80% BSA apolar/total
SASA unbound
791 Ų
Apolar buried
461 Ų

Interaction summary

HB 5 HY 24 PI 1 CLASH 1
Final rank3.188Score-24.656
Inter norm-0.756Intra norm0.031
Top1000noExcludedno
Contacts15H-bonds5
Artifact reasongeometry warning; 16 clashes; 1 protein clash; high strain Δ 53.6
Residues
ALA209 ALA77 ALA90 ARG74 GLU82 GLY85 LEU73 LYS89 MET70 PHE83 PRO213 TRP81 TYR210 TYR69 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 overlap9Native recall0.75
Jaccard0.50RMSD-
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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
379 1.7515119447063427 -0.628624 -16.1568 7 18 0 0.00 - - no Open
428 2.1508479025996894 -0.801565 -19.3286 5 18 0 0.00 - - no Open
368 3.090122770978229 -0.741059 -15.222 13 13 0 0.00 - - no Open
448 3.187813687353957 -0.756461 -24.6559 5 15 9 0.75 - - no Current
373 3.331493017527665 -0.760459 -20.8381 6 17 0 0.00 - - no Open
338 4.6424814593420125 -0.949318 -28.0247 14 23 0 0.00 - - no Open
473 4.937071202872829 -0.776684 -21.8871 8 15 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 -24.656kcal/mol
Ligand efficiency (LE) -0.7252kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.256
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 34HA

Physicochemical properties

Molecular weight 461.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.08
Lipinski: ≤ 5
Rotatable bonds 11

Conformational strain (MMFF94s)

Strain energy (ΔE) 54.82kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 135.84kcal/mol
Minimised FF energy 81.02kcal/mol

SASA & burial

✓ computed
SASA (unbound) 790.5Ų
Total solvent-accessible surface area of free ligand
BSA total 574.8Ų
Buried surface area upon binding
BSA apolar 461.1Ų
Hydrophobic contacts buried
BSA polar 113.7Ų
Polar contacts buried
Fraction buried 72.7%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 80.2%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -3269.1Ų
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 1448.0Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)