FAIRMol

OSA_Lib_54

Pose ID 2840 Compound 2168 Pose 130

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_54
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
Promising but geometrically suspicious
Binding strong Geometry low Native mixed SASA done
Strain ΔE
26.6 kcal/mol
Protein clashes
0
Internal clashes
15
Native overlap
contact recall 0.47, Jaccard 0.40, H-bond role recall 0.33
Burial
72%
Hydrophobic fit
94%
Reason: 15 internal clashes
15 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.911 kcal/mol/HA) ✓ Good fit quality (FQ -8.79) ✓ Good H-bonds (3 bonds) ✓ Deep burial (72% SASA buried) ✓ Lipophilic contacts well-matched (94%) ✗ High strain energy (26.6 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (15)
Score
-27.337
kcal/mol
LE
-0.911
kcal/mol/HA
Fit Quality
-8.79
FQ (Leeson)
HAC
30
heavy atoms
MW
407
Da
LogP
1.94
cLogP
Strain ΔE
26.6 kcal/mol
SASA buried
72%
Lipo contact
94% BSA apolar/total
SASA unbound
685 Ų
Apolar buried
463 Ų

Interaction summary

HB 3 HY 16 PI 1 CLASH 0

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

No clash · clashes detected for this pose.
Final rank2.397Score-27.337
Inter norm-0.944Intra norm0.025
Top1000noExcludedno
Contacts11H-bonds3
Artifact reasongeometry warning; 15 clashes; 1 protein clash; 2 cofactor-context clashes; moderate strain Δ 26.6
Residues
ARG17 LYS16 NDP302 PHE113 PRO115 SER111 SER112 TYR114 TYR191 TYR194 VAL230

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 overlap8Native recall0.47
Jaccard0.40RMSD-
HB strict0Strict recall0.00
HB same residue+role2HB role recall0.33
HB same residue2HB residue recall0.40

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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
130 2.396689244992438 -0.944417 -27.3369 3 11 8 0.47 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 -27.337kcal/mol
Ligand efficiency (LE) -0.9112kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.790
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 30HA

Physicochemical properties

Molecular weight 406.6Da
Lipinski: ≤ 500 Da
LogP (cLogP) 1.94
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 26.58kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 143.37kcal/mol
Minimised FF energy 116.79kcal/mol

SASA & burial

✓ computed
SASA (unbound) 685.2Ų
Total solvent-accessible surface area of free ligand
BSA total 493.2Ų
Buried surface area upon binding
BSA apolar 462.6Ų
Hydrophobic contacts buried
BSA polar 30.6Ų
Polar contacts buried
Fraction buried 72.0%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 93.8%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1784.2Ų
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 1049.0Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)