FAIRMol

OHD_Leishmania_401

Pose ID 13576 Compound 3953 Pose 18

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_Leishmania_401
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
Weak or marginal quality
Binding strong Geometry medium Native strong SASA done
Strain ΔE
29.4 kcal/mol
Protein clashes
3
Internal clashes
3
Native overlap
contact recall 0.93, Jaccard 0.76, H-bond role recall 0.78
Burial
80%
Hydrophobic fit
68%
Reason: no major geometry red flags detected
3 protein-contact clashes 3 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.035 kcal/mol/HA) ✓ Good fit quality (FQ -9.41) ✓ Strong H-bond network (13 bonds) ✓ Deep burial (80% SASA buried) ✓ Lipophilic contacts well-matched (68%) ✗ High strain energy (29.4 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (9)
Score
-25.869
kcal/mol
LE
-1.035
kcal/mol/HA
Fit Quality
-9.41
FQ (Leeson)
HAC
25
heavy atoms
MW
340
Da
LogP
1.66
cLogP
Strain ΔE
29.4 kcal/mol
SASA buried
80%
Lipo contact
68% BSA apolar/total
SASA unbound
563 Ų
Apolar buried
306 Ų

Interaction summary

HB 13 HY 8 PI 4 CLASH 3
Final rank3.630Score-25.869
Inter norm-0.998Intra norm-0.037
Top1000noExcludedno
Contacts16H-bonds13
Artifact reasongeometry warning; 9 clashes; 2 protein clashes; moderate strain Δ 29.4
Residues
ARG137 ARG141 ASN103 HIS102 MET98 TYR94 ARG113 ASP10 CYS69 GLY70 GLY74 HIS11 ILE73 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 strict8Strict recall0.67
HB same residue+role7HB role recall0.78
HB same residue6HB residue recall0.75

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
18 3.6300299906846316 -0.997904 -25.8687 13 16 13 0.93 0.78 - no Current
27 4.838338460590061 -1.14123 -31.4336 15 18 0 0.00 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 -25.869kcal/mol
Ligand efficiency (LE) -1.0347kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -9.407
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 25HA

Physicochemical properties

Molecular weight 340.3Da
Lipinski: ≤ 500 Da
LogP (cLogP) 1.66
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)

Strain energy (ΔE) 29.38kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 48.03kcal/mol
Minimised FF energy 18.66kcal/mol

SASA & burial

✓ computed
SASA (unbound) 562.5Ų
Total solvent-accessible surface area of free ligand
BSA total 452.0Ų
Buried surface area upon binding
BSA apolar 305.7Ų
Hydrophobic contacts buried
BSA polar 146.3Ų
Polar contacts buried
Fraction buried 80.4%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 67.6%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2129.6Ų
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 733.8Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)