FAIRMol

OHD_MAC_72

Pose ID 11263 Compound 1710 Pose 420

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_72
PDB5S9T

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
44.8 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 0.58, Jaccard 0.32, H-bond role recall 1.00
Burial
80%
Hydrophobic fit
77%
Reason: strain 44.8 kcal/mol
strain ΔE 44.8 kcal/mol 2 protein-contact clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.562 kcal/mol/HA) ✓ Good fit quality (FQ -5.36) ✓ Strong H-bond network (6 bonds) ✓ Deep burial (80% SASA buried) ✓ Lipophilic contacts well-matched (77%) ✗ Extreme strain energy (44.8 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (13)
Score
-16.287
kcal/mol
LE
-0.562
kcal/mol/HA
Fit Quality
-5.36
FQ (Leeson)
HAC
29
heavy atoms
MW
391
Da
LogP
3.16
cLogP
Strain ΔE
44.8 kcal/mol
SASA buried
80%
Lipo contact
77% BSA apolar/total
SASA unbound
663 Ų
Apolar buried
406 Ų

Interaction summary

HB 6 HY 23 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 rank3.970Score-16.287
Inter norm-0.795Intra norm0.234
Top1000noExcludedno
Contacts17H-bonds6
Artifact reasongeometry warning; 13 clashes; 2 protein clashes; high strain Δ 44.8
Residues
ALA363 ARG287 ARG331 ARG361 CYS375 GLY286 GLY376 HIS359 ILE199 LEU332 LEU334 MET333 PHE198 PHE230 SER364 THR360 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 overlap7Native recall0.58
Jaccard0.32RMSD-
HB strict1Strict recall1.00
HB same residue+role1HB role recall1.00
HB same residue1HB residue recall1.00

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
371 0.6766080884637871 -0.850212 -23.5297 6 13 0 0.00 0.00 - no Open
456 1.3298642730659846 -0.876871 -20.7915 4 15 0 0.00 0.00 - no Open
371 1.6592905543340895 -1.1365 -32.2539 5 15 0 0.00 0.00 - no Open
321 2.4630441993751795 -0.956144 -26.0216 9 14 0 0.00 0.00 - no Open
382 2.4869569999026053 -0.980507 -24.896 6 15 0 0.00 0.00 - no Open
317 3.15422312242859 -1.11678 -29.9725 9 21 0 0.00 0.00 - no Open
390 3.359899098482382 -0.766488 -19.917 11 14 0 0.00 0.00 - no Open
348 3.455414740609191 -1.03631 -22.4 10 15 0 0.00 0.00 - no Open
482 3.675347513604983 -0.805846 -18.1081 3 15 0 0.00 0.00 - no Open
420 3.9699373391131556 -0.795492 -16.2866 6 17 7 0.58 1.00 - no Current
325 4.385363427863706 -0.85659 -21.0096 11 17 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 -16.287kcal/mol
Ligand efficiency (LE) -0.5616kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -5.361
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 29HA

Physicochemical properties

Molecular weight 391.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.16
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 44.80kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 107.11kcal/mol
Minimised FF energy 62.31kcal/mol

SASA & burial

✓ computed
SASA (unbound) 662.8Ų
Total solvent-accessible surface area of free ligand
BSA total 527.9Ų
Buried surface area upon binding
BSA apolar 406.4Ų
Hydrophobic contacts buried
BSA polar 121.6Ų
Polar contacts buried
Fraction buried 79.7%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 77.0%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -6513.1Ų
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 8063.1Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 2080.2Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)