FAIRMol

OSA_Lib_227

Pose ID 6938 Compound 3617 Pose 164

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 OSA_Lib_227

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 high Native strong SASA done
Strain ΔE
22.4 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.72, Jaccard 0.59, H-bond role recall 0.00
Burial
65%
Hydrophobic fit
100%
Reason: no major geometry red flags detected
1 protein-contact clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.624 kcal/mol/HA) ✓ Good fit quality (FQ -6.34) ✓ Good burial (65% SASA buried) ✓ Lipophilic contacts well-matched (100%) ✗ High strain energy (22.4 kcal/mol) ✗ Geometry warnings ✗ Minor protein-contact clashes (2) ✗ Many internal clashes (11)
Score
-22.460
kcal/mol
LE
-0.624
kcal/mol/HA
Fit Quality
-6.34
FQ (Leeson)
HAC
36
heavy atoms
MW
490
Da
LogP
0.64
cLogP
Strain ΔE
22.4 kcal/mol
SASA buried
65%
Lipo contact
100% BSA apolar/total
SASA unbound
826 Ų
Apolar buried
533 Ų

Interaction summary

HB 2 HY 22 PI 3 CLASH 1
Final rank0.922Score-22.460
Inter norm-0.667Intra norm0.043
Top1000noExcludedno
Contacts17H-bonds2
Artifact reasongeometry warning; 11 clashes; 2 protein contact clashes; moderate strain Δ 22.4
Residues
ASN193 ASP69 ASP72 GLN220 GLU192 GLU68 GLY191 HIS144 HIS222 LEU194 PHE189 PHE190 PRO223 SER75 THR71 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 overlap13Native recall0.72
Jaccard0.59RMSD-
HB strict0Strict recall0.00
HB same residue+role0HB role recall0.00
HB same residue0HB residue recall0.00

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
164 0.9216609045086493 -0.667348 -22.4603 2 17 13 0.72 0.00 - no Current
245 3.3564535330392746 -0.662206 -22.4643 2 15 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 -22.460kcal/mol
Ligand efficiency (LE) -0.6239kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -6.341
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 36HA

Physicochemical properties

Molecular weight 489.8Da
Lipinski: ≤ 500 Da
LogP (cLogP) 0.64
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 22.40kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 317.21kcal/mol
Minimised FF energy 294.81kcal/mol

SASA & burial

✓ computed
SASA (unbound) 826.0Ų
Total solvent-accessible surface area of free ligand
BSA total 534.3Ų
Buried surface area upon binding
BSA apolar 532.7Ų
Hydrophobic contacts buried
BSA polar 1.6Ų
Polar contacts buried
Fraction buried 64.7%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 99.7%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2259.0Ų
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 945.4Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)