FAIRMol

OHD_TB2020_28

Pose ID 6819 Compound 1445 Pose 45

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T11
L. infantum SIR2 L. infantum
Ligand OHD_TB2020_28

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
67.6 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 0.94, Jaccard 0.85, H-bond role recall 0.40
Burial
61%
Hydrophobic fit
81%
Reason: strain 67.6 kcal/mol
strain ΔE 67.6 kcal/mol 2 protein-contact clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Good LE (-0.330 kcal/mol/HA) ✓ Good fit quality (FQ -3.69) ✓ Good H-bonds (5 bonds) ✓ Good burial (61% SASA buried) ✓ Lipophilic contacts well-matched (81%) ✗ Extreme strain energy (67.6 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (22)
Score
-18.135
kcal/mol
LE
-0.330
kcal/mol/HA
Fit Quality
-3.69
FQ (Leeson)
HAC
55
heavy atoms
MW
809
Da
LogP
7.38
cLogP
Strain ΔE
67.6 kcal/mol
SASA buried
61%
Lipo contact
81% BSA apolar/total
SASA unbound
1165 Ų
Apolar buried
573 Ų

Interaction summary

HB 5 HY 24 PI 5 CLASH 2
Final rank3.744Score-18.135
Inter norm-0.439Intra norm0.110
Top1000noExcludedno
Contacts19H-bonds5
Artifact reasongeometry warning; 22 clashes; 1 protein clash; high strain Δ 53.2
Residues
ASN193 GLN124 GLU192 GLY191 HIS144 HIS222 ILE126 LEU194 LEU226 PHE189 PHE190 PHE199 PHE51 PHE74 PRO223 THR71 VAL187 VAL188 VAL221

Protein summary

287 residues
Protein targetT11Atoms4391
Residues287Chains1
Residue summaryLEU:627; ARG:432; VAL:384; GLU:316; PHE:300; ILE:285; ALA:260; PRO:238; HIS:187; ASP:157; LYS:154; SER:154; THR:154; GLY:147; ASN:140; TYR:126

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name5OL0Contacts18
PoseOpen native poseHB0
IFP residues
ASN193 GLN220 GLU192 GLY191 HIS144 HIS222 ILE126 LEU194 LEU226 PHE189 PHE190 PHE199 PHE74 PRO223 THR71 VAL187 VAL188 VAL221
Current overlap17Native recall0.94
Jaccard0.85RMSD-
HB strict2Strict recall0.40
HB same residue+role2HB role recall0.40
HB same residue2HB residue recall0.50

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
45 3.74401282107407 -0.439367 -18.1354 5 19 17 0.94 0.40 - no Current
52 4.0274688575957995 -0.411645 -19.2807 3 22 0 0.00 0.00 - no Open
54 4.379236070520798 -0.505874 -16.948 5 17 0 0.00 0.00 - no Open
52 6.302001767606716 -0.404816 -18.0604 7 14 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 -18.135kcal/mol
Ligand efficiency (LE) -0.3297kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -3.694
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 55HA

Physicochemical properties

Molecular weight 809.0Da
Lipinski: ≤ 500 Da
LogP (cLogP) 7.38
Lipinski: ≤ 5
Rotatable bonds 16

Conformational strain (MMFF94s)

Strain energy (ΔE) 67.58kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 11.36kcal/mol
Minimised FF energy -56.22kcal/mol

SASA & burial

✓ computed
SASA (unbound) 1164.7Ų
Total solvent-accessible surface area of free ligand
BSA total 709.8Ų
Buried surface area upon binding
BSA apolar 572.8Ų
Hydrophobic contacts buried
BSA polar 137.0Ų
Polar contacts buried
Fraction buried 60.9%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 80.7%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2251.7Ų
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 2380.0Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 1108.8Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)