FAIRMol

OHD_MAC_75

Pose ID 11265 Compound 434 Pose 422

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T17
T. brucei TR (Doorstop site) T. brucei Doorstop site
Ligand OHD_MAC_75
PDB5S9T

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 mixed SASA done
Strain ΔE
37.8 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.50, Jaccard 0.26, H-bond role recall 0.00
Burial
74%
Hydrophobic fit
78%
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 (-0.677 kcal/mol/HA) ✓ Good fit quality (FQ -6.53) ✓ Strong H-bond network (7 bonds) ✓ Deep burial (74% SASA buried) ✓ Lipophilic contacts well-matched (78%) ✗ Very high strain energy (37.8 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (12)
Score
-20.317
kcal/mol
LE
-0.677
kcal/mol/HA
Fit Quality
-6.53
FQ (Leeson)
HAC
30
heavy atoms
MW
403
Da
LogP
3.03
cLogP
Strain ΔE
37.8 kcal/mol
SASA buried
74%
Lipo contact
78% BSA apolar/total
SASA unbound
699 Ų
Apolar buried
406 Ų

Interaction summary

HB 7 HY 12 PI 2 CLASH 1

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 rank3.619Score-20.317
Inter norm-0.782Intra norm0.095
Top1000noExcludedno
Contacts17H-bonds7
Artifact reasongeometry warning; 12 clashes; 2 protein clashes; high strain Δ 37.8
Residues
ALA284 ALA363 ARG228 ARG287 ARG361 CYS375 GLY197 GLY229 GLY286 GLY376 ILE199 ILE285 PHE198 PHE230 SER364 THR374 VAL362

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name5S9TContacts12
PoseOpen native poseHB0
IFP residues
ALA365 ARG228 ARG331 GLY229 LEU332 LEU334 MET333 PHE198 PHE230 SER364 THR374 VAL366
Current overlap6Native recall0.50
Jaccard0.26RMSD-
HB strict0Strict recall0.00
HB same residue+role0HB role recall0.00
HB same residue0HB residue recall0.00

Protein summary

1033 residues
Protein targetT17Atoms15160
Residues1033Chains2
Residue summaryVAL:1536; LEU:1387; LYS:1386; ILE:1064; GLU:900; THR:868; ARG:816; PHE:800; ALA:780; ASN:700; PRO:686; GLY:672; SER:616; TYR:588; ASP:528; MET:408

Receptor context

2 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 2 Excluded HETATM 0
Kept cofactors / ions
A:FAD501 B:FAD501

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
404 1.0600136250211019 -0.906801 -18.7883 7 18 0 0.00 0.00 - no Open
334 1.2963751080636536 -1.02007 -24.053 9 18 0 0.00 0.00 - no Open
323 1.7960372607055601 -1.03868 -28.6013 9 16 0 0.00 0.00 - no Open
484 2.3012480494550256 -0.803675 -22.5539 5 17 0 0.00 0.00 - no Open
455 2.5025784650004894 -0.873051 -23.6453 4 19 0 0.00 0.00 - no Open
392 2.8165570570264418 -0.749474 -16.3353 9 16 0 0.00 0.00 - no Open
373 2.8256805223943924 -1.12038 -30.2922 6 18 0 0.00 0.00 - no Open
355 3.2999927404897584 -1.04489 -25.9132 11 24 0 0.00 0.00 - no Open
422 3.6194495202975876 -0.781705 -20.3167 7 17 6 0.50 0.00 - no Current
327 3.9353990466277415 -0.80723 -14.126 13 18 0 0.00 0.00 - no Open
350 4.065440236227152 -1.03956 -24.1715 10 16 0 0.00 0.00 - no Open
353 4.0851754945093015 -1.11238 -26.8884 10 23 0 0.00 0.00 - no Open
384 5.8125996811504965 -0.892376 -24.7512 6 16 0 0.00 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 -20.317kcal/mol
Ligand efficiency (LE) -0.6772kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -6.533
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 30HA

Physicochemical properties

Molecular weight 403.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.03
Lipinski: ≤ 5
Rotatable bonds 8

Conformational strain (MMFF94s)

Strain energy (ΔE) 37.79kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 114.37kcal/mol
Minimised FF energy 76.57kcal/mol

SASA & burial

✓ computed
SASA (unbound) 699.1Ų
Total solvent-accessible surface area of free ligand
BSA total 520.8Ų
Buried surface area upon binding
BSA apolar 406.1Ų
Hydrophobic contacts buried
BSA polar 114.7Ų
Polar contacts buried
Fraction buried 74.5%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 78.0%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -6523.2Ų
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 8063.1Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 2088.5Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)