FAIRMol

Z276200254

Pose ID 3052 Compound 2197 Pose 342

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 Z276200254
PDB7PXX

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Reject SASA cached
Promising but geometrically suspicious
Binding strong Geometry low Native strong SASA done
Strain ΔE
60.1 kcal/mol
Protein clashes
0
Internal clashes
1
Native overlap
contact recall 0.59, Jaccard 0.45, H-bond role recall 0.67
Burial
86%
Hydrophobic fit
65%
Reason: strain 60.1 kcal/mol
strain ΔE 60.1 kcal/mol 47% of hydrophobic surface appears solvent-exposed (8/17 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.890 kcal/mol/HA) ✓ Good fit quality (FQ -8.31) ✓ Strong H-bond network (14 bonds) ✓ Deep burial (86% SASA buried) ✓ Lipophilic contacts well-matched (65%) ✗ Extreme strain energy (60.1 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (9)
Score
-24.041
kcal/mol
LE
-0.890
kcal/mol/HA
Fit Quality
-8.31
FQ (Leeson)
HAC
27
heavy atoms
MW
373
Da
LogP
1.08
cLogP
Strain ΔE
60.1 kcal/mol
SASA buried
86%
Lipo contact
65% BSA apolar/total
SASA unbound
662 Ų
Apolar buried
370 Ų

Interaction summary

HB 14 HY 10 PI 1 CLASH 1 ⚠ Exposure 47%
⚠️Partial hydrophobic solvent exposure
47% of hydrophobic surface appears solvent-exposed (8/17 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
Non-polar atoms 17 Buried (contacted) 9 Exposed 8 LogP 1.08 H-bonds 14
Exposed fragments: phenyl (6/6 atoms exposed)aliphatic chain/group (2 atoms exposed)
Final rank2.710Score-24.041
Inter norm-1.072Intra norm0.181
Top1000noExcludedno
Contacts15H-bonds14
Artifact reasongeometry warning; 9 clashes; 2 protein clashes; 1 severe cofactor-context clash; high strain Δ 60.0
Residues
ARG17 ARG39 ASP181 GLY225 LEU188 LEU226 MET183 NDP302 PHE113 SER111 SER112 TYR114 TYR194 VAL230 ARG287

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 overlap10Native recall0.59
Jaccard0.45RMSD-
HB strict3Strict recall0.43
HB same residue+role4HB role recall0.67
HB same residue4HB residue recall0.80

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
377 2.536139453384206 -1.12609 -28.1392 15 23 0 0.00 0.00 - no Open
342 2.710124874786965 -1.07187 -24.041 14 15 10 0.59 0.67 - no Current
353 3.4397813385699 -0.886304 -20.0261 10 17 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 -24.041kcal/mol
Ligand efficiency (LE) -0.8904kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.307
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 27HA

Physicochemical properties

Molecular weight 373.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 1.08
Lipinski: ≤ 5
Rotatable bonds 8

Conformational strain (MMFF94s)

Strain energy (ΔE) 60.14kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 142.72kcal/mol
Minimised FF energy 82.58kcal/mol

SASA & burial

✓ computed
SASA (unbound) 662.4Ų
Total solvent-accessible surface area of free ligand
BSA total 569.3Ų
Buried surface area upon binding
BSA apolar 369.6Ų
Hydrophobic contacts buried
BSA polar 199.8Ų
Polar contacts buried
Fraction buried 86.0%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 64.9%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1587.0Ų
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 2179.4Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 1046.3Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)