FAIRMol

OHD_Babesia_56

Pose ID 9522 Compound 4265 Pose 36

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_Babesia_56
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
56.3 kcal/mol
Protein clashes
2
Internal clashes
10
Native overlap
contact recall 0.77, Jaccard 0.53
Burial
77%
Hydrophobic fit
92%
Reason: 10 internal clashes, strain 56.3 kcal/mol
strain ΔE 56.3 kcal/mol 2 protein-contact clashes 10 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.434 kcal/mol/HA) ✓ Good fit quality (FQ -4.34) ✓ Deep burial (77% SASA buried) ✓ Lipophilic contacts well-matched (92%) ✗ Extreme strain energy (56.3 kcal/mol) ✗ Geometry warnings ✗ Minor protein-contact clashes (2) ✗ Many internal clashes (10)
Score
-14.754
kcal/mol
LE
-0.434
kcal/mol/HA
Fit Quality
-4.34
FQ (Leeson)
HAC
34
heavy atoms
MW
461
Da
LogP
2.57
cLogP
Strain ΔE
56.3 kcal/mol
SASA buried
77%
Lipo contact
92% BSA apolar/total
SASA unbound
791 Ų
Apolar buried
560 Ų

Interaction summary

HB 2 HY 24 PI 1 CLASH 0

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.
Final rank0.905Score-14.754
Inter norm-0.716Intra norm0.282
Top1000noExcludedno
Contacts16H-bonds2
Artifact reasongeometry warning; 10 clashes; 2 protein contact clashes; high strain Δ 56.3
Residues
ALA209 ALA77 ALA90 ARG74 GLU82 GLY85 LEU73 LYS211 LYS89 MET70 PHE83 PRO212 PRO213 TRP81 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
Jaccard0.53RMSD-
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
36 0.9050274735828127 -0.715643 -14.7541 2 16 10 0.77 - - 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 -14.754kcal/mol
Ligand efficiency (LE) -0.4339kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -4.342
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 34HA

Physicochemical properties

Molecular weight 460.6Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.57
Lipinski: ≤ 5
Rotatable bonds 4

Conformational strain (MMFF94s)

Strain energy (ΔE) 56.33kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 97.66kcal/mol
Minimised FF energy 41.33kcal/mol

SASA & burial

✓ computed
SASA (unbound) 791.1Ų
Total solvent-accessible surface area of free ligand
BSA total 606.3Ų
Buried surface area upon binding
BSA apolar 560.3Ų
Hydrophobic contacts buried
BSA polar 46.1Ų
Polar contacts buried
Fraction buried 76.6%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 92.4%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -3213.5Ų
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 1521.6Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)