FAIRMol

OHD_Babesia_25

Pose ID 3424 Compound 2638 Pose 38

DB fairmolDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T06
T. brucei DHFR T. brucei
Ligand OHD_Babesia_25
PDB8RHT

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
60.2 kcal/mol
Protein clashes
5
Internal clashes
6
Native overlap
contact recall 0.90, Jaccard 0.79, H-bond role recall 1.00
Burial
94%
Hydrophobic fit
80%
Reason: 6 internal clashes, strain 60.2 kcal/mol
strain ΔE 60.2 kcal/mol 5 protein-contact clashes 6 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.553 kcal/mol/HA) ✓ Good fit quality (FQ -5.62) ✓ Strong H-bond network (10 bonds) ✓ Deep burial (94% SASA buried) ✓ Lipophilic contacts well-matched (80%) ✗ Extreme strain energy (60.2 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (11)
Score
-19.922
kcal/mol
LE
-0.553
kcal/mol/HA
Fit Quality
-5.62
FQ (Leeson)
HAC
36
heavy atoms
MW
498
Da
LogP
0.69
cLogP
Strain ΔE
60.2 kcal/mol
SASA buried
94%
Lipo contact
80% BSA apolar/total
SASA unbound
822 Ų
Apolar buried
624 Ų

Interaction summary

HB 10 HY 24 PI 3 CLASH 6

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 rank3.088Score-19.922
Inter norm-0.707Intra norm0.133
Top1000noExcludedno
Contacts22H-bonds10
Artifact reasongeometry warning; 11 clashes; 1 protein clash; 1 cofactor-context clash; high strain Δ 60.2
Residues
ALA34 ARG100 ARG59 ASP54 HIS182 ILE160 ILE47 LEU90 LEU97 MET55 NDP301 PHE58 PHE94 SER89 SER98 THR184 THR86 TRP49 TYR166 TYR57 VAL32 VAL33

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name8RHTContacts21
PoseOpen native poseHB0
IFP residues
ALA34 ASP54 HIS182 ILE160 ILE47 LEU90 LEU97 MET55 NDP301 PHE233 PHE58 PHE94 PRO91 SER89 THR184 THR86 TRP49 TYR166 TYR57 VAL32 VAL33
Current overlap19Native recall0.90
Jaccard0.79RMSD-
HB strict4Strict recall0.80
HB same residue+role4HB role recall1.00
HB same residue4HB residue recall1.00

Protein summary

223 residues
Protein targetT06Atoms3452
Residues223Chains1
Residue summaryARG:408; VAL:352; LYS:308; LEU:304; PRO:238; ILE:209; GLU:195; THR:182; SER:176; ALA:160; PHE:140; ASN:126; GLY:126; ASP:108; GLN:85; NDP:74

Receptor context

1 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 1 Excluded HETATM 0
Kept cofactors / ions
A:NDP301

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
35 1.211385132424561 -0.936703 -20.8319 10 17 0 0.00 0.00 - no Open
38 3.0880868806858746 -0.706948 -19.9222 10 22 19 0.90 1.00 - 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 -19.922kcal/mol
Ligand efficiency (LE) -0.5534kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -5.625
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 36HA

Physicochemical properties

Molecular weight 497.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 0.69
Lipinski: ≤ 5
Rotatable bonds 11

Conformational strain (MMFF94s)

Strain energy (ΔE) 60.15kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 19.45kcal/mol
Minimised FF energy -40.70kcal/mol

SASA & burial

✓ computed
SASA (unbound) 822.0Ų
Total solvent-accessible surface area of free ligand
BSA total 774.8Ų
Buried surface area upon binding
BSA apolar 623.9Ų
Hydrophobic contacts buried
BSA polar 150.8Ų
Polar contacts buried
Fraction buried 94.3%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 80.5%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1888.1Ų
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 1808.8Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 575.2Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)