FAIRMol

OSA_Lib_89

Pose ID 6934 Compound 3692 Pose 160

DB fairmolDocking 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_89

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 mixed SASA done
Strain ΔE
27.7 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.50, Jaccard 0.38, H-bond role recall 0.00
Burial
84%
Hydrophobic fit
96%
Reason: no major geometry red flags detected
1 protein-contact clashes 52% of hydrophobic surface appears solvent-exposed (15/29 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.843 kcal/mol/HA) ✓ Good fit quality (FQ -8.44) ✓ Deep burial (84% SASA buried) ✓ Lipophilic contacts well-matched (96%) ✗ High strain energy (27.7 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (12)
Score
-28.663
kcal/mol
LE
-0.843
kcal/mol/HA
Fit Quality
-8.44
FQ (Leeson)
HAC
34
heavy atoms
MW
463
Da
LogP
0.57
cLogP
Final rank
2.2745
rank score
Inter norm
-0.710
normalised
Contacts
15
H-bonds 2
Strain ΔE
27.7 kcal/mol
SASA buried
84%
Lipo contact
96% BSA apolar/total
SASA unbound
769 Ų
Apolar buried
619 Ų

Interaction summary

HBD 2 HY 8 PI 3 CLASH 1

HBD/HBA · H-bonds (geometric)

HBD = ligand donates H · HBA = ligand accepts H · ~ = weak (≥110°). Mode: strict. Residues: 2.

PI · π–π interactions

Native π–π recall is disabled because no explicit native π–π reference was stored.

HY · Hydrophobic contacts

CLASH · Clashes

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 overlap9Native recall0.50
Jaccard0.38RMSD-
HB strict0Strict recall0.00
HB same residue+role0HB role recall0.00
HB same residue0HB residue recall0.00

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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
160 2.274473921979467 -0.709935 -28.6626 2 15 9 0.50 0.00 - no Current
172 2.7518473583458603 -0.69748 -27.9697 3 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 -28.663kcal/mol
Ligand efficiency (LE) -0.8430kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.435
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 34HA

Physicochemical properties

Molecular weight 462.7Da
Lipinski: ≤ 500 Da
LogP (cLogP) 0.57
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 27.75kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 215.07kcal/mol
Minimised FF energy 187.32kcal/mol

SASA & burial

✓ computed
SASA (unbound) 769.1Ų
Total solvent-accessible surface area of free ligand
BSA total 642.9Ų
Buried surface area upon binding
BSA apolar 619.2Ų
Hydrophobic contacts buried
BSA polar 23.7Ų
Polar contacts buried
Fraction buried 83.6%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 96.3%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2198.1Ų
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 927.3Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)