FAIRMol

OHD_TbNat_65

Pose ID 13608 Compound 2912 Pose 50

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T21
T. cruzi R5P T. cruzi
Ligand OHD_TbNat_65
PDB3K7O

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Weak SASA cached
Promising but geometrically suspicious
Binding strong Geometry low Native strong SASA done
Strain ΔE
29.5 kcal/mol
Protein clashes
11
Internal clashes
11
Native overlap
contact recall 0.93, Jaccard 0.76, H-bond role recall 0.56
Burial
74%
Hydrophobic fit
64%
Reason: 11 protein-contact clashes, 11 internal clashes
11 protein-contact clashes 11 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.630 kcal/mol/HA) ✓ Good fit quality (FQ -5.80) ✓ Strong H-bond network (15 bonds) ✓ Deep burial (74% SASA buried) ✓ Lipophilic contacts well-matched (64%) ✗ High strain energy (29.5 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (8)
Score
-16.380
kcal/mol
LE
-0.630
kcal/mol/HA
Fit Quality
-5.80
FQ (Leeson)
HAC
26
heavy atoms
MW
360
Da
LogP
1.76
cLogP
Strain ΔE
29.5 kcal/mol
SASA buried
74%
Lipo contact
64% BSA apolar/total
SASA unbound
626 Ų
Apolar buried
298 Ų

Interaction summary

HB 15 HY 11 PI 3 CLASH 11
Final rank5.831Score-16.380
Inter norm-0.940Intra norm0.310
Top1000noExcludedno
Contacts16H-bonds15
Artifact reasongeometry warning; 8 clashes; 3 protein clashes; moderate strain Δ 29.5
Residues
ARG137 ARG141 ASN103 HIS102 ARG113 ASP10 CYS69 GLY70 GLY72 GLY74 HIS11 ILE73 MET75 PRO12 SER71 TYR46

Protein summary

305 residues
Protein targetT21Atoms4646
Residues305Chains2
Residue summaryARG:576; ILE:532; VAL:512; GLU:420; ALA:360; PHE:240; HIS:238; LYS:220; THR:210; LEU:190; PRO:168; TYR:168; GLY:154; SER:154; ASP:144; ASN:112

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name3K7OContacts14
PoseOpen native poseHB0
IFP residues
ARG137 ARG141 ASN103 HIS102 HIS138 ASP10 CYS69 GLY70 GLY74 HIS11 ILE73 PRO12 SER71 TYR46
Current overlap13Native recall0.93
Jaccard0.76RMSD-
HB strict6Strict recall0.50
HB same residue+role5HB role recall0.56
HB same residue5HB residue recall0.62

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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
83 1.726165603324366 -1.25521 -28.9129 14 11 0 0.00 0.00 - no Open
72 2.5159025534805233 -1.29084 -32.7784 8 20 0 0.00 0.00 - no Open
47 3.0866835948633713 -1.21083 -30.5389 12 15 0 0.00 0.00 - no Open
30 4.249683644980609 -0.998616 -15.5397 12 15 0 0.00 0.00 - no Open
65 4.3394777699327225 -1.03572 -23.6814 9 19 0 0.00 0.00 - no Open
79 4.411040433023151 -0.928097 -19.2409 8 16 0 0.00 0.00 - no Open
82 4.435254214047893 -0.905021 -18.9062 11 13 0 0.00 0.00 - no Open
50 5.831249337352885 -0.940251 -16.3801 15 16 13 0.93 0.56 - 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 -16.380kcal/mol
Ligand efficiency (LE) -0.6300kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -5.804
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 26HA

Physicochemical properties

Molecular weight 360.3Da
Lipinski: ≤ 500 Da
LogP (cLogP) 1.76
Lipinski: ≤ 5
Rotatable bonds 10

Conformational strain (MMFF94s)

Strain energy (ΔE) 29.49kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 71.13kcal/mol
Minimised FF energy 41.64kcal/mol

SASA & burial

✓ computed
SASA (unbound) 626.5Ų
Total solvent-accessible surface area of free ligand
BSA total 465.9Ų
Buried surface area upon binding
BSA apolar 298.2Ų
Hydrophobic contacts buried
BSA polar 167.7Ų
Polar contacts buried
Fraction buried 74.4%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 64.0%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2134.7Ų
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 2482.0Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 764.4Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)