FAIRMol

OHD_Leishmania_19

Pose ID 13559 Compound 2683 Pose 1

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_19
PDB3K7O

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
57.8 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 0.93, Jaccard 0.72, H-bond role recall 0.67
Burial
85%
Hydrophobic fit
62%
Reason: strain 57.8 kcal/mol
strain ΔE 57.8 kcal/mol 2 protein-contact clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.982 kcal/mol/HA) ✓ Good fit quality (FQ -9.05) ✓ Strong H-bond network (11 bonds) ✓ Deep burial (85% SASA buried) ✓ Lipophilic contacts well-matched (62%) ✗ Extreme strain energy (57.8 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (6)
Score
-25.544
kcal/mol
LE
-0.982
kcal/mol/HA
Fit Quality
-9.05
FQ (Leeson)
HAC
26
heavy atoms
MW
384
Da
LogP
1.70
cLogP
Strain ΔE
57.8 kcal/mol
SASA buried
85%
Lipo contact
62% BSA apolar/total
SASA unbound
574 Ų
Apolar buried
303 Ų

Interaction summary

HB 11 HY 6 PI 3 CLASH 2

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 rank3.028Score-25.544
Inter norm-1.107Intra norm0.125
Top1000noExcludedno
Contacts17H-bonds11
Artifact reasongeometry warning; 6 clashes; 2 protein clashes; high strain Δ 57.8
Residues
ARG137 ARG141 ASN103 HIS102 MET98 TYR94 ARG113 ASP10 CYS69 GLY70 GLY72 GLY74 HIS11 ILE73 PRO12 SER71 TYR46

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
Jaccard0.72RMSD-
HB strict6Strict recall0.50
HB same residue+role6HB role recall0.67
HB same residue7HB residue recall0.88

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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
1 -0.1728060123477814 -1.18476 -28.1339 11 12 0 0.00 0.00 - no Open
1 3.028251281531995 -1.10714 -25.5435 11 17 13 0.93 0.67 - 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 -25.544kcal/mol
Ligand efficiency (LE) -0.9824kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -9.052
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 26HA

Physicochemical properties

Molecular weight 384.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 1.70
Lipinski: ≤ 5
Rotatable bonds 10

Conformational strain (MMFF94s)

Strain energy (ΔE) 57.84kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 72.79kcal/mol
Minimised FF energy 14.95kcal/mol

SASA & burial

✓ computed
SASA (unbound) 574.4Ų
Total solvent-accessible surface area of free ligand
BSA total 488.8Ų
Buried surface area upon binding
BSA apolar 302.6Ų
Hydrophobic contacts buried
BSA polar 186.2Ų
Polar contacts buried
Fraction buried 85.1%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 61.9%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2106.8Ų
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 736.7Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)