FAIRMol

OHD_TB2022_38

Pose ID 9543 Compound 1003 Pose 57

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_TB2022_38
PDB9IFF

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 strong SASA done
Strain ΔE
27.4 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.77, Jaccard 0.50
Burial
68%
Hydrophobic fit
95%
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 (-0.464 kcal/mol/HA) ✓ Good fit quality (FQ -4.93) ✓ Good H-bonds (3 bonds) ✓ Deep burial (68% SASA buried) ✓ Lipophilic contacts well-matched (95%) ✗ High strain energy (27.4 kcal/mol) ✗ Geometry warnings ✗ Minor protein-contact clashes (4) ✗ Many internal clashes (20)
Score
-19.933
kcal/mol
LE
-0.464
kcal/mol/HA
Fit Quality
-4.93
FQ (Leeson)
HAC
43
heavy atoms
MW
610
Da
LogP
6.96
cLogP
Strain ΔE
27.4 kcal/mol
SASA buried
68%
Lipo contact
95% BSA apolar/total
SASA unbound
915 Ų
Apolar buried
588 Ų

Interaction summary

HB 3 HY 24 PI 0 CLASH 1

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

Final rank2.324Score-19.933
Inter norm-0.569Intra norm0.105
Top1000noExcludedno
Contacts17H-bonds3
Artifact reasongeometry warning; 20 clashes; 4 protein contact clashes; moderate strain Δ 26.5
Residues
ALA209 ALA244 ALA90 ARG74 ASN208 ASN245 GLY246 LEU73 LYS211 LYS89 MET70 PHE83 PRO187 PRO212 PRO213 TYR210 VAL88

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 overlap10Native recall0.77
Jaccard0.50RMSD-
HB strict0Strict recall-
HB same residue+role0HB role recall-
HB same residue0HB residue recall-

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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
57 2.324339219025657 -0.568681 -19.9326 3 17 10 0.77 - - no Current
56 3.2475930720691877 -0.632778 -22.8389 1 20 0 0.00 - - no Open
73 3.3517337534061897 -0.621376 -25.2286 2 17 0 0.00 - - no Open
78 4.866861631561944 -0.619025 -24.2685 2 17 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 -19.933kcal/mol
Ligand efficiency (LE) -0.4635kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -4.926
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 43HA

Physicochemical properties

Molecular weight 609.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 6.96
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 27.41kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 104.55kcal/mol
Minimised FF energy 77.13kcal/mol

SASA & burial

✓ computed
SASA (unbound) 915.4Ų
Total solvent-accessible surface area of free ligand
BSA total 619.0Ų
Buried surface area upon binding
BSA apolar 588.2Ų
Hydrophobic contacts buried
BSA polar 30.8Ų
Polar contacts buried
Fraction buried 67.6%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 95.0%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -3247.2Ų
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 4005.2Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 1594.5Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)