FAIRMol

Z44866976

Pose ID 3351 Compound 940 Pose 641

DB fairmolDocking 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 Z44866976
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
46.3 kcal/mol
Protein clashes
3
Internal clashes
4
Native overlap
contact recall 0.65, Jaccard 0.61, H-bond role recall 0.33
Burial
76%
Hydrophobic fit
73%
Reason: strain 46.3 kcal/mol
strain ΔE 46.3 kcal/mol 3 protein-contact clashes 4 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.864 kcal/mol/HA) ✓ Good fit quality (FQ -8.42) ✓ Strong H-bond network (7 bonds) ✓ Deep burial (76% SASA buried) ✓ Lipophilic contacts well-matched (73%) ✗ Extreme strain energy (46.3 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (10)
Score
-26.794
kcal/mol
LE
-0.864
kcal/mol/HA
Fit Quality
-8.42
FQ (Leeson)
HAC
31
heavy atoms
MW
449
Da
LogP
1.75
cLogP
Strain ΔE
46.3 kcal/mol
SASA buried
76%
Lipo contact
73% BSA apolar/total
SASA unbound
720 Ų
Apolar buried
399 Ų

Interaction summary

HB 7 HY 23 PI 2 CLASH 4

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 rank2.868Score-26.794
Inter norm-0.918Intra norm0.054
Top1000noExcludedno
Contacts12H-bonds7
Artifact reasongeometry warning; 10 clashes; 2 protein clashes; 2 severe cofactor-context clashes; high strain Δ 38.8
Residues
ARG17 HIS241 LEU188 LEU226 LEU229 MET233 NDP302 PHE113 SER111 TYR194 VAL237 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 overlap11Native recall0.65
Jaccard0.61RMSD-
HB strict3Strict recall0.43
HB same residue+role2HB role recall0.33
HB same residue3HB residue recall0.60

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
633 0.05829920103739172 -1.0551 -30.9043 6 13 0 0.00 0.00 - no Open
651 1.4156605545140337 -1.40297 -43.3583 15 18 0 0.00 0.00 - no Open
631 2.4700797108431822 -0.817046 -22.4274 2 16 0 0.00 0.00 - no Open
651 2.6241796803607684 -0.861067 -23.541 5 15 0 0.00 0.00 - no Open
641 2.867756166472061 -0.918058 -26.7937 7 12 11 0.65 0.33 - no Current
637 3.275743878737262 -0.87096 -22.8257 9 13 0 0.00 0.00 - no Open
650 3.2986306516203525 -1.05149 -29.1371 15 12 0 0.00 0.00 - no Open
628 4.031122152407257 -0.781668 -24.4719 5 16 0 0.00 0.00 - no Open
645 4.500872485938668 -0.819792 -23.1151 6 16 0 0.00 0.00 - no Open
651 4.7722691848813374 -1.01921 -26.299 12 18 0 0.00 0.00 - no Open
640 4.779003355861554 -1.06227 -31.24 16 18 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 -26.794kcal/mol
Ligand efficiency (LE) -0.8643kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.420
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 31HA

Physicochemical properties

Molecular weight 449.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 1.75
Lipinski: ≤ 5
Rotatable bonds 10

Conformational strain (MMFF94s)

Strain energy (ΔE) 46.29kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 76.56kcal/mol
Minimised FF energy 30.27kcal/mol

SASA & burial

✓ computed
SASA (unbound) 720.4Ų
Total solvent-accessible surface area of free ligand
BSA total 544.5Ų
Buried surface area upon binding
BSA apolar 398.6Ų
Hydrophobic contacts buried
BSA polar 145.9Ų
Polar contacts buried
Fraction buried 75.6%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 73.2%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1679.8Ų
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 1014.6Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)