FAIRMol

OHD_MAC_28

Pose ID 11889 Compound 3160 Pose 368

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T18
T. brucei TR (Mepacrine binding site (MBS, site 1)) T. brucei Mepacrine binding site (MBS, site 1)
Ligand OHD_MAC_28
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 strong SASA done
Strain ΔE
30.1 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 0.62, Jaccard 0.50
Burial
61%
Hydrophobic fit
80%
Reason: no major geometry red flags detected
2 protein-contact clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.573 kcal/mol/HA) ✓ Good fit quality (FQ -5.53) ✓ Good H-bonds (5 bonds) ✓ Good burial (61% SASA buried) ✓ Lipophilic contacts well-matched (80%) ✗ Very high strain energy (30.1 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (15)
Score
-17.197
kcal/mol
LE
-0.573
kcal/mol/HA
Fit Quality
-5.53
FQ (Leeson)
HAC
30
heavy atoms
MW
428
Da
LogP
0.73
cLogP
Strain ΔE
30.1 kcal/mol
SASA buried
61%
Lipo contact
80% BSA apolar/total
SASA unbound
672 Ų
Apolar buried
330 Ų

Interaction summary

HB 5 HY 15 PI 3 CLASH 2

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

Final rank3.660Score-17.197
Inter norm-0.743Intra norm0.170
Top1000noExcludedno
Contacts11H-bonds5
Artifact reasongeometry warning; 15 clashes; 2 protein clashes; high strain Δ 30.1
Residues
ASP116 GLU18 GLY112 ILE339 LEU17 LYS108 MET113 SER109 SER14 TRP21 TYR110

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name6RB5Contacts13
PoseOpen native poseHB0
IFP residues
ASP116 GLU18 GLY112 ILE106 LEU17 MET113 SER109 THR117 THR335 TRP21 TYR110 VAL53 VAL58
Current overlap8Native recall0.62
Jaccard0.50RMSD-
HB strict0Strict recall-
HB same residue+role0HB role recall-
HB same residue0HB residue recall-

Protein summary

493 residues
Protein targetT18Atoms7550
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
343 3.3806032224084737 -1.02576 -27.2232 8 17 0 0.00 - - no Open
368 3.660113442346769 -0.743051 -17.1971 5 11 8 0.62 - - no Current
344 3.680388032224625 -1.41134 -32.5815 8 17 0 0.00 - - no Open
305 3.7841109715598766 -0.942594 -23.6684 9 18 0 0.00 - - no Open
367 3.801123320082061 -0.687097 -19.2302 5 12 0 0.00 - - no Open
331 4.968164464318635 -1.07715 -29.0268 11 18 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 -17.197kcal/mol
Ligand efficiency (LE) -0.5732kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -5.530
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 30HA

Physicochemical properties

Molecular weight 427.8Da
Lipinski: ≤ 500 Da
LogP (cLogP) 0.73
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 30.08kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 187.00kcal/mol
Minimised FF energy 156.92kcal/mol

SASA & burial

✓ computed
SASA (unbound) 671.6Ų
Total solvent-accessible surface area of free ligand
BSA total 411.7Ų
Buried surface area upon binding
BSA apolar 330.0Ų
Hydrophobic contacts buried
BSA polar 81.7Ų
Polar contacts buried
Fraction buried 61.3%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 80.2%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -3080.0Ų
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 1553.1Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)