FAIRMol

OSA_Lib_109

Pose ID 2841 Compound 2260 Pose 131

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T05
L. major PTR1 L. major
Ligand OSA_Lib_109
PDB7PXX

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 mixed SASA done
Strain ΔE
36.5 kcal/mol
Protein clashes
0
Internal clashes
1
Native overlap
contact recall 0.53, Jaccard 0.47, H-bond role recall 0.33
Burial
73%
Hydrophobic fit
83%
Reason: no major geometry red flags detected
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.601 kcal/mol/HA) ✓ Good fit quality (FQ -6.15) ✓ Good H-bonds (5 bonds) ✓ Deep burial (73% SASA buried) ✓ Lipophilic contacts well-matched (83%) ✗ Very high strain energy (36.5 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (17)
Score
-22.235
kcal/mol
LE
-0.601
kcal/mol/HA
Fit Quality
-6.15
FQ (Leeson)
HAC
37
heavy atoms
MW
497
Da
LogP
4.74
cLogP
Strain ΔE
36.5 kcal/mol
SASA buried
73%
Lipo contact
83% BSA apolar/total
SASA unbound
760 Ų
Apolar buried
462 Ų

Interaction summary

HB 5 HY 24 PI 2 CLASH 1
Final rank3.356Score-22.235
Inter norm-0.792Intra norm0.191
Top1000noExcludedno
Contacts11H-bonds5
Artifact reasongeometry warning; 17 clashes; 2 protein clashes; 2 cofactor-context clashes; high strain Δ 36.5
Residues
ARG17 LEU188 LEU229 NDP302 PHE113 SER111 SER112 TYR114 TYR191 TYR194 VAL230

Protein summary

274 residues
Protein targetT05Atoms4108
Residues274Chains2
Residue summaryLEU:494; ALA:421; ARG:384; VAL:368; THR:295; TYR:231; SER:198; PRO:196; ILE:190; LYS:176; ASN:154; GLU:150; GLY:126; PHE:120; HIS:119; ASP:108

Receptor context

1 kept / 0 excluded
Receptor context filtering: interactions and SASA are computed against protein atoms plus allowed cofactors/ions. Native ligand-like HETATM partners are excluded from scoring.
Kept context 1 Excluded HETATM 0
Kept cofactors / ions
A:NDP302

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
NameligandContacts17
PoseOpen native poseHB0
IFP residues
ARG17 GLY225 HIS241 LEU188 LEU226 LEU229 LYS198 MET233 NDP302 PHE113 PRO115 SER111 SER227 TYR191 TYR194 VAL230 ARG287
Current overlap9Native recall0.53
Jaccard0.47RMSD-
HB strict2Strict recall0.29
HB same residue+role2HB role recall0.33
HB same residue3HB residue recall0.60

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
105 3.1172647151936115 -0.73235 -25.7988 7 13 0 0.00 0.00 - no Open
131 3.3556549359803594 -0.792448 -22.2351 5 11 9 0.53 0.33 - 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 -22.235kcal/mol
Ligand efficiency (LE) -0.6009kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -6.152
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 37HA

Physicochemical properties

Molecular weight 496.6Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.74
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)

Strain energy (ΔE) 36.45kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 103.77kcal/mol
Minimised FF energy 67.32kcal/mol

SASA & burial

✓ computed
SASA (unbound) 759.8Ų
Total solvent-accessible surface area of free ligand
BSA total 554.5Ų
Buried surface area upon binding
BSA apolar 461.8Ų
Hydrophobic contacts buried
BSA polar 92.7Ų
Polar contacts buried
Fraction buried 73.0%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 83.3%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1795.4Ų
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 2179.4Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 1049.2Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)