FAIRMol

OHD_MAC_36

Pose ID 11247 Compound 220 Pose 404

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_36
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 strong SASA done
Strain ΔE
32.3 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 0.67, Jaccard 0.36, H-bond role recall 1.00
Burial
79%
Hydrophobic fit
77%
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 (-0.559 kcal/mol/HA) ✓ Good fit quality (FQ -5.39) ✓ Strong H-bond network (8 bonds) ✓ Deep burial (79% SASA buried) ✓ Lipophilic contacts well-matched (77%) ✗ Very high strain energy (32.3 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (13)
Score
-16.774
kcal/mol
LE
-0.559
kcal/mol/HA
Fit Quality
-5.39
FQ (Leeson)
HAC
30
heavy atoms
MW
424
Da
LogP
3.38
cLogP
Strain ΔE
32.3 kcal/mol
SASA buried
79%
Lipo contact
77% BSA apolar/total
SASA unbound
679 Ų
Apolar buried
413 Ų

Interaction summary

HB 8 HY 23 PI 2 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 rank3.870Score-16.774
Inter norm-0.865Intra norm0.306
Top1000noExcludedno
Contacts18H-bonds8
Artifact reasongeometry warning; 13 clashes; 2 protein clashes; high strain Δ 32.3
Residues
ALA363 ARG287 ARG331 ARG361 CYS375 GLY229 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 overlap8Native recall0.67
Jaccard0.36RMSD-
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
348 1.2100144411566822 -1.1538 -30.0904 8 14 0 0.00 0.00 - no Open
440 1.5676082891596326 -0.944621 -26.2353 6 17 0 0.00 0.00 - no Open
324 1.953134084273393 -1.11057 -27.5044 10 13 0 0.00 0.00 - no Open
366 2.2621186422673074 -0.969443 -20.4956 4 16 0 0.00 0.00 - no Open
395 3.0456434028459523 -0.899025 -26.9428 4 19 0 0.00 0.00 - no Open
404 3.8699170341381035 -0.865306 -16.7738 8 18 8 0.67 1.00 - no Current
441 4.081786304937585 -0.850126 -23.0145 5 13 0 0.00 0.00 - no Open
308 4.168792251622847 -1.07508 -26.8228 10 20 0 0.00 0.00 - no Open
332 4.318025370457191 -1.10906 -19.6858 11 21 0 0.00 0.00 - no Open
346 4.7100997309679045 -1.08757 -25.9544 15 23 0 0.00 0.00 - no Open
362 4.900785009688223 -0.929405 -16.6604 15 17 0 0.00 0.00 - no Open
354 5.137261587746673 -0.910504 -14.9944 8 15 0 0.00 0.00 - no Open
348 5.166887790616978 -0.859874 -15.7312 7 21 0 0.00 0.00 - no Open
309 5.312767912161138 -0.875177 -16.7657 14 15 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 -16.774kcal/mol
Ligand efficiency (LE) -0.5591kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -5.394
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 30HA

Physicochemical properties

Molecular weight 423.8Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.38
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 32.30kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 101.63kcal/mol
Minimised FF energy 69.33kcal/mol

SASA & burial

✓ computed
SASA (unbound) 678.6Ų
Total solvent-accessible surface area of free ligand
BSA total 533.4Ų
Buried surface area upon binding
BSA apolar 412.9Ų
Hydrophobic contacts buried
BSA polar 120.5Ų
Polar contacts buried
Fraction buried 78.6%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 77.4%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -6475.3Ų
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 2114.9Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)