FAIRMol

OSA_Lib_316

Pose ID 2842 Compound 917 Pose 132

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_316
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 high Native strong SASA done
Strain ΔE
20.5 kcal/mol
Protein clashes
0
Internal clashes
1
Native overlap
contact recall 0.71, Jaccard 0.55, H-bond role recall 0.33
Burial
80%
Hydrophobic fit
100%
Reason: no major geometry red flags detected
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.842 kcal/mol/HA) ✓ Good fit quality (FQ -8.28) ✓ Good H-bonds (4 bonds) ✓ Deep burial (80% SASA buried) ✓ Lipophilic contacts well-matched (100%) ✗ High strain energy (20.5 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (13)
Score
-26.939
kcal/mol
LE
-0.842
kcal/mol/HA
Fit Quality
-8.28
FQ (Leeson)
HAC
32
heavy atoms
MW
428
Da
LogP
2.76
cLogP
Strain ΔE
20.5 kcal/mol
SASA buried
80%
Lipo contact
100% BSA apolar/total
SASA unbound
742 Ų
Apolar buried
590 Ų

Interaction summary

HB 4 HY 22 PI 2 CLASH 1

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

Final rank2.062Score-26.939
Inter norm-0.881Intra norm0.039
Top1000noExcludedno
Contacts17H-bonds4
Artifact reasongeometry warning; 13 clashes; 1 protein clash; 1 cofactor-context clash; moderate strain Δ 20.5
Residues
ARG17 ASP181 GLY225 LEU226 LEU229 MET183 NDP302 PHE113 PRO115 PRO224 SER111 SER112 TYR114 TYR191 TYR194 VAL230 ARG287

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 overlap12Native recall0.71
Jaccard0.55RMSD-
HB strict1Strict recall0.14
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
165 0.6850349018157014 -1.02026 -30.2859 4 21 0 0.00 0.00 - no Open
132 2.061830659597372 -0.881218 -26.939 4 17 12 0.71 0.33 - no Current
240 2.2800977309677752 -0.95211 -26.4296 2 24 0 0.00 0.00 - no Open
226 2.376317945115319 -0.961676 -27.9 4 18 0 0.00 0.00 - no Open
170 2.715371987512202 -0.938418 -24.6775 2 20 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 -26.939kcal/mol
Ligand efficiency (LE) -0.8418kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.279
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 32HA

Physicochemical properties

Molecular weight 427.6Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.76
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 20.52kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 124.10kcal/mol
Minimised FF energy 103.59kcal/mol

SASA & burial

✓ computed
SASA (unbound) 742.5Ų
Total solvent-accessible surface area of free ligand
BSA total 592.8Ų
Buried surface area upon binding
BSA apolar 590.3Ų
Hydrophobic contacts buried
BSA polar 2.5Ų
Polar contacts buried
Fraction buried 79.8%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 99.6%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1850.9Ų
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 1068.5Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)