FAIRMol

OHD_MAC_43

Pose ID 11252 Compound 290 Pose 409

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_43
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
50.0 kcal/mol
Protein clashes
5
Internal clashes
5
Native overlap
contact recall 0.75, Jaccard 0.38, H-bond role recall 0.00
Burial
83%
Hydrophobic fit
75%
Reason: strain 50.0 kcal/mol
strain ΔE 50.0 kcal/mol 5 protein-contact clashes 5 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.637 kcal/mol/HA) ✓ Good fit quality (FQ -6.20) ✓ Strong H-bond network (9 bonds) ✓ Deep burial (83% SASA buried) ✓ Lipophilic contacts well-matched (75%) ✗ Extreme strain energy (50.0 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (14)
Score
-19.740
kcal/mol
LE
-0.637
kcal/mol/HA
Fit Quality
-6.20
FQ (Leeson)
HAC
31
heavy atoms
MW
419
Da
LogP
2.73
cLogP
Strain ΔE
50.0 kcal/mol
SASA buried
83%
Lipo contact
75% BSA apolar/total
SASA unbound
686 Ų
Apolar buried
427 Ų

Interaction summary

HB 9 HY 17 PI 3 CLASH 5

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 rank5.569Score-19.740
Inter norm-0.860Intra norm0.223
Top1000noExcludedno
Contacts21H-bonds9
Artifact reasongeometry warning; 14 clashes; 3 protein clashes; high strain Δ 50.0
Residues
ALA363 ARG228 ARG287 CYS375 FAD501 GLY229 GLY286 GLY376 HIS428 ILE199 ILE378 LEU332 LEU334 LEU377 MET333 PHE198 PHE230 SER364 THR374 VAL362 VAL427

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 overlap9Native recall0.75
Jaccard0.38RMSD-
HB strict0Strict recall0.00
HB same residue+role0HB role recall0.00
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
327 1.0964829522574546 -1.03991 -21.1418 12 16 0 0.00 0.00 - no Open
364 1.7239846691089398 -0.778679 -17.0858 7 13 0 0.00 0.00 - no Open
442 1.8577202495374694 -0.913582 -24.9212 9 17 0 0.00 0.00 - no Open
352 2.0154827967061797 -1.11088 -32.2157 10 15 0 0.00 0.00 - no Open
397 2.882657732714977 -0.935709 -15.3974 6 16 0 0.00 0.00 - no Open
309 3.284185401307328 -0.904868 -24.0068 8 16 0 0.00 0.00 - no Open
373 3.8307218879275062 -0.609572 -12.9904 4 14 0 0.00 0.00 - no Open
445 4.192667213415826 -0.773887 -19.8971 6 14 0 0.00 0.00 - no Open
375 4.68242207807719 -0.75164 -13.7395 7 15 0 0.00 0.00 - no Open
355 4.842669355222647 -0.826399 -16.7147 9 16 0 0.00 0.00 - no Open
334 5.464562560325958 -1.04935 -31.2848 16 24 0 0.00 0.00 - no Open
409 5.568836563759863 -0.859961 -19.7397 9 21 9 0.75 0.00 - no Current
311 5.575954316282713 -0.847031 -14.0743 14 14 0 0.00 0.00 - no Open
370 5.799984693332239 -0.849161 -18.22 6 18 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 -19.740kcal/mol
Ligand efficiency (LE) -0.6368kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -6.204
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 31HA

Physicochemical properties

Molecular weight 419.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.73
Lipinski: ≤ 5
Rotatable bonds 9

Conformational strain (MMFF94s)

Strain energy (ΔE) 49.99kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 123.33kcal/mol
Minimised FF energy 73.34kcal/mol

SASA & burial

✓ computed
SASA (unbound) 686.4Ų
Total solvent-accessible surface area of free ligand
BSA total 570.2Ų
Buried surface area upon binding
BSA apolar 427.2Ų
Hydrophobic contacts buried
BSA polar 143.0Ų
Polar contacts buried
Fraction buried 83.1%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 74.9%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -6507.6Ų
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 2071.6Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)