FAIRMol

OHD_MAC_16

Pose ID 9949 Compound 235 Pose 463

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T15
T. brucei TR (Dimer cleft site) T. brucei Dimer cleft site
Ligand OHD_MAC_16
PDB9IFF

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
46.1 kcal/mol
Protein clashes
0
Internal clashes
14
Native overlap
contact recall 0.69, Jaccard 0.43
Burial
72%
Hydrophobic fit
83%
Reason: 14 internal clashes, strain 46.1 kcal/mol
strain ΔE 46.1 kcal/mol 14 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.632 kcal/mol/HA) ✓ Good fit quality (FQ -6.27) ✓ Good H-bonds (5 bonds) ✓ Deep burial (72% SASA buried) ✓ Lipophilic contacts well-matched (83%) ✗ Extreme strain energy (46.1 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (14)
Score
-20.860
kcal/mol
LE
-0.632
kcal/mol/HA
Fit Quality
-6.27
FQ (Leeson)
HAC
33
heavy atoms
MW
449
Da
LogP
-0.30
cLogP
Strain ΔE
46.1 kcal/mol
SASA buried
72%
Lipo contact
83% BSA apolar/total
SASA unbound
766 Ų
Apolar buried
458 Ų

Interaction summary

HB 5 HY 21 PI 1 CLASH 0
Final rank3.812Score-20.860
Inter norm-0.706Intra norm0.074
Top1000noExcludedno
Contacts17H-bonds5
Artifact reasongeometry warning; 14 clashes; 2 protein clashes; high strain Δ 46.1
Residues
ALA209 ALA244 ALA77 ALA90 ARG74 ASN208 ASN245 GLU75 GLY246 GLY85 LEU73 LYS211 MET70 PHE83 SER76 TYR210 VAL88

Protein summary

489 residues
Protein targetT15Atoms7420
Residues489Chains1
Residue summaryVAL:768; LYS:704; LEU:703; ILE:532; GLU:450; THR:434; ARG:408; PHE:400; ALA:390; ASN:350; PRO:350; GLY:336; SER:319; TYR:294; ASP:264; MET:204

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name9IFFContacts13
PoseOpen native poseHB0
IFP residues
ALA209 ARG74 ASN208 GLY214 GLY215 GLY85 LEU73 LYS211 MET70 PHE83 PRO212 PRO213 VAL88
Current overlap9Native recall0.69
Jaccard0.43RMSD-
HB strict0Strict recall-
HB same residue+role0HB role recall-
HB same residue0HB residue recall-

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

No clash · clashes detected for this pose.

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
427 1.624315035621347 -0.863295 -25.5705 6 18 0 0.00 - - no Open
390 1.745383040081993 -0.824084 -21.6169 6 14 0 0.00 - - no Open
347 2.233351187144614 -0.766228 -21.9396 10 14 0 0.00 - - no Open
409 2.3727684490268013 -0.84998 -23.7773 6 18 0 0.00 - - no Open
318 3.0812631678846136 -1.00748 -20.5158 10 20 0 0.00 - - no Open
463 3.812367176859132 -0.706094 -20.8598 5 17 9 0.69 - - no Current
301 3.8136421060333308 -1.00391 -25.8714 11 20 0 0.00 - - no Open
323 5.093769298391516 -1.0808 -33.5625 15 19 0 0.00 - - no Open
335 5.295788834059684 -1.28243 -31.5208 10 17 0 0.00 - - no Open
319 6.066352190746781 -0.952554 -25.4105 11 20 0 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 -20.860kcal/mol
Ligand efficiency (LE) -0.6321kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -6.272
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 33HA

Physicochemical properties

Molecular weight 449.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) -0.30
Lipinski: ≤ 5
Rotatable bonds 11

Conformational strain (MMFF94s)

Strain energy (ΔE) 46.05kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 197.35kcal/mol
Minimised FF energy 151.30kcal/mol

SASA & burial

✓ computed
SASA (unbound) 765.6Ų
Total solvent-accessible surface area of free ligand
BSA total 548.4Ų
Buried surface area upon binding
BSA apolar 457.6Ų
Hydrophobic contacts buried
BSA polar 90.8Ų
Polar contacts buried
Fraction buried 71.6%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 83.4%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -3082.0Ų
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 4005.2Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 1541.0Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)