FAIRMol

OHD_MAC_46

Pose ID 11253 Compound 655 Pose 410

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_46
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 high Native mixed SASA done
Strain ΔE
14.8 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.50, Jaccard 0.24, H-bond role recall 0.00
Burial
84%
Hydrophobic fit
77%
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 (-0.813 kcal/mol/HA) ✓ Good fit quality (FQ -7.67) ✓ Strong H-bond network (8 bonds) ✓ Deep burial (84% SASA buried) ✓ Lipophilic contacts well-matched (77%) ✗ Moderate strain (14.8 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (14)
Score
-22.757
kcal/mol
LE
-0.813
kcal/mol/HA
Fit Quality
-7.67
FQ (Leeson)
HAC
28
heavy atoms
MW
374
Da
LogP
2.42
cLogP
Strain ΔE
14.8 kcal/mol
SASA buried
84%
Lipo contact
77% BSA apolar/total
SASA unbound
641 Ų
Apolar buried
417 Ų

Interaction summary

HB 8 HY 17 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 rank3.564Score-22.757
Inter norm-0.901Intra norm0.088
Top1000noExcludedno
Contacts19H-bonds8
Artifact reasongeometry warning; 14 clashes; 2 protein clashes
Residues
ALA284 ALA363 ARG287 ARG361 CYS375 GLY197 GLY286 GLY376 HIS428 ILE199 LEU227 LEU332 MET333 PHE198 PHE230 SER200 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
Jaccard0.24RMSD-
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
355 1.128762760936132 -1.34752 -35.2625 10 15 0 0.00 0.00 - no Open
366 1.3156403457915806 -0.859654 -22.7368 8 13 0 0.00 0.00 - no Open
446 2.5132113806492127 -0.815812 -16.8076 5 16 0 0.00 0.00 - no Open
337 3.08322798706276 -1.07371 -26.7944 13 17 0 0.00 0.00 - no Open
426 3.2099502569998086 -0.936048 -25.4644 5 17 0 0.00 0.00 - no Open
410 3.5638081054835444 -0.900748 -22.757 8 19 6 0.50 0.00 - no Current
371 4.045988160186225 -1.11347 -25.148 7 15 0 0.00 0.00 - no Open
351 4.129705582296731 -0.942434 -23.4774 6 19 0 0.00 0.00 - no Open
357 4.186985560350385 -0.88846 -21.7673 7 15 0 0.00 0.00 - no Open
377 4.388828245234522 -0.743151 -21.7204 8 13 0 0.00 0.00 - no Open
311 4.908449489709896 -1.11493 -27.3797 8 15 0 0.00 0.00 - no Open
336 5.004753588477256 -1.12345 -29.739 14 23 0 0.00 0.00 - no Open
443 5.511611947936888 -0.967321 -19.0807 7 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 -22.757kcal/mol
Ligand efficiency (LE) -0.8128kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.673
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 28HA

Physicochemical properties

Molecular weight 374.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.42
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 14.79kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 84.61kcal/mol
Minimised FF energy 69.82kcal/mol

SASA & burial

✓ computed
SASA (unbound) 640.5Ų
Total solvent-accessible surface area of free ligand
BSA total 539.9Ų
Buried surface area upon binding
BSA apolar 416.6Ų
Hydrophobic contacts buried
BSA polar 123.3Ų
Polar contacts buried
Fraction buried 84.3%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 77.2%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -6460.2Ų
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 2095.7Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)