FAIRMol

Z18650921

Pose ID 3271 Compound 1056 Pose 561

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 Z18650921
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
20.6 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 0.71, Jaccard 0.67, H-bond role recall 0.50
Burial
82%
Hydrophobic fit
68%
Reason: no major geometry red flags detected
2 protein-contact clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.897 kcal/mol/HA) ✓ Good fit quality (FQ -8.37) ✓ Good H-bonds (5 bonds) ✓ Deep burial (82% SASA buried) ✓ Lipophilic contacts well-matched (68%) ✗ High strain energy (20.6 kcal/mol) ✗ Geometry warnings
Score
-24.227
kcal/mol
LE
-0.897
kcal/mol/HA
Fit Quality
-8.37
FQ (Leeson)
HAC
27
heavy atoms
MW
383
Da
LogP
4.36
cLogP
Strain ΔE
20.6 kcal/mol
SASA buried
82%
Lipo contact
68% BSA apolar/total
SASA unbound
612 Ų
Apolar buried
345 Ų

Interaction summary

HB 5 HY 24 PI 5 CLASH 2
Final rank2.085Score-24.227
Inter norm-1.041Intra norm0.143
Top1000noExcludedno
Contacts13H-bonds5
Artifact reasongeometry warning; 1 clash; 2 protein clashes; 3 cofactor-context clashes; moderate strain Δ 20.6
Residues
ARG17 ASP181 HIS241 LEU188 LEU226 LEU229 MET233 NDP302 PHE113 TYR191 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 overlap12Native recall0.71
Jaccard0.67RMSD-
HB strict3Strict recall0.43
HB same residue+role3HB role recall0.50
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
584 -0.373376338517867 -0.9049 -20.3052 1 11 11 0.65 0.17 - no Open
582 0.5279247018088151 -1.02661 -25.6797 5 17 0 0.00 0.00 - no Open
561 2.0852244091878505 -1.04059 -24.2271 5 13 12 0.71 0.50 - 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 -24.227kcal/mol
Ligand efficiency (LE) -0.8973kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.371
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 27HA

Physicochemical properties

Molecular weight 383.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.36
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 20.63kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 65.98kcal/mol
Minimised FF energy 45.35kcal/mol

SASA & burial

✓ computed
SASA (unbound) 611.9Ų
Total solvent-accessible surface area of free ligand
BSA total 504.3Ų
Buried surface area upon binding
BSA apolar 344.9Ų
Hydrophobic contacts buried
BSA polar 159.4Ų
Polar contacts buried
Fraction buried 82.4%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 68.4%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1607.2Ų
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 1024.7Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)