FAIRMol

OHD_TbNat_105

Pose ID 9553 Compound 590 Pose 67

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_TbNat_105
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
46.6 kcal/mol
Protein clashes
3
Internal clashes
3
Native overlap
contact recall 0.62, Jaccard 0.47
Burial
62%
Hydrophobic fit
70%
Reason: strain 46.6 kcal/mol
strain ΔE 46.6 kcal/mol 3 protein-contact clashes 3 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.803 kcal/mol/HA) ✓ Good fit quality (FQ -7.82) ✓ Strong H-bond network (10 bonds) ✓ Good burial (62% SASA buried) ✓ Lipophilic contacts well-matched (70%) ✗ Extreme strain energy (46.6 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (15)
Score
-24.890
kcal/mol
LE
-0.803
kcal/mol/HA
Fit Quality
-7.82
FQ (Leeson)
HAC
31
heavy atoms
MW
434
Da
LogP
-0.43
cLogP
Strain ΔE
46.6 kcal/mol
SASA buried
62%
Lipo contact
70% BSA apolar/total
SASA unbound
669 Ų
Apolar buried
288 Ų

Interaction summary

HB 10 HY 13 PI 0 CLASH 3
Final rank5.810Score-24.890
Inter norm-0.801Intra norm-0.002
Top1000noExcludedno
Contacts12H-bonds10
Artifact reasongeometry warning; 15 clashes; 3 protein clashes; high strain Δ 46.6
Residues
ALA244 ARG74 ASN245 ASP71 GLY214 GLY215 LEU73 LYS211 MET70 PRO212 PRO213 TYR408

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 overlap8Native recall0.62
Jaccard0.47RMSD-
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

No pi · π–π interactions detected for this pose.

HY · Hydrophobic contacts

CLASH · Clashes

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
84 1.9283747913911469 -0.937103 -29.9449 8 20 0 0.00 - - no Open
85 1.9638541658565332 -1.04432 -33.1247 10 16 0 0.00 - - no Open
82 2.7477651806865784 -0.704502 -22.1569 6 9 0 0.00 - - no Open
61 2.9989557037730235 -1.02195 -30.4885 6 17 0 0.00 - - no Open
95 3.5606381975773203 -0.992076 -29.9451 7 18 0 0.00 - - no Open
87 3.609197073864286 -0.990527 -28.2491 8 18 0 0.00 - - no Open
50 4.410605974812835 -0.739197 -19.1231 6 15 0 0.00 - - no Open
56 5.214374327704846 -0.914804 -22.8988 10 19 0 0.00 - - no Open
46 5.301391019846421 -1.08605 -29.5892 16 18 0 0.00 - - no Open
67 5.810432988084876 -0.801214 -24.8901 10 12 8 0.62 - - no Current

Molecular metrics

RDKit SASA burial, strain energy (MMFF94s), ligand efficiency and fit quality for this docking pose.
✓ Metrics available

Scoring & efficiency

Docking score -24.890kcal/mol
Ligand efficiency (LE) -0.8029kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.822
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 31HA

Physicochemical properties

Molecular weight 434.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) -0.43
Lipinski: ≤ 5
Rotatable bonds 8

Conformational strain (MMFF94s)

Strain energy (ΔE) 46.61kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 188.52kcal/mol
Minimised FF energy 141.91kcal/mol

SASA & burial

✓ computed
SASA (unbound) 669.2Ų
Total solvent-accessible surface area of free ligand
BSA total 413.2Ų
Buried surface area upon binding
BSA apolar 288.2Ų
Hydrophobic contacts buried
BSA polar 125.0Ų
Polar contacts buried
Fraction buried 61.7%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 69.8%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2957.3Ų
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 4005.2Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 1542.2Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)