FAIRMol

ulfkktlib_3397

Pose ID 2261 Compound 1468 Pose 228

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T04
L. major PTR1 L. major
Ligand ulfkktlib_3397
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 medium Native mixed SASA done
Strain ΔE
30.5 kcal/mol
Protein clashes
1
Internal clashes
3
Native overlap
contact recall 0.42, Jaccard 0.42, H-bond role recall 0.40
Burial
96%
Hydrophobic fit
82%
Reason: no major geometry red flags detected
1 protein-contact clashes 3 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-2.579 kcal/mol/HA) ✓ Good fit quality (FQ -17.06) ✓ Strong H-bond network (8 bonds) ✓ Deep burial (96% SASA buried) ✓ Lipophilic contacts well-matched (82%) ✗ Very high strain energy (30.5 kcal/mol) ✗ Geometry warnings ✗ Minor protein-contact clashes (3)
Score
-30.955
kcal/mol
LE
-2.579
kcal/mol/HA
Fit Quality
-17.06
FQ (Leeson)
HAC
12
heavy atoms
MW
163
Da
LogP
0.32
cLogP
Strain ΔE
30.5 kcal/mol
SASA buried
96%
Lipo contact
82% BSA apolar/total
SASA unbound
367 Ų
Apolar buried
290 Ų

Interaction summary

HB 8 HY 5 PI 1 CLASH 3

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 rank-1.633Score-30.955
Inter norm-2.597Intra norm0.017
Top1000noExcludedno
Contacts8H-bonds8
Artifact reasongeometry warning; 3 clashes; 3 protein contact clashes; 1 severe cofactor-context clash; high strain Δ 30.5
Residues
ARG17 LEU188 LEU226 NDP302 PHE113 SER111 SER112 TYR194

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name7PXXContacts19
PoseOpen native poseHB0
IFP residues
ARG17 ASP181 GLY225 HIS241 LEU188 LEU226 LEU229 LYS198 MET233 NDP302 PHE113 PRO115 SER111 SER112 SER227 TYR191 TYR194 VAL230 ARG287
Current overlap8Native recall0.42
Jaccard0.42RMSD-
HB strict3Strict recall0.50
HB same residue+role2HB role recall0.40
HB same residue2HB residue recall0.40

Protein summary

308 residues
Protein targetT04Atoms4210
Residues308Chains3
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
228 -1.6327029248073883 -2.59657 -30.9546 8 8 8 0.42 0.40 - 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 -30.955kcal/mol
Ligand efficiency (LE) -2.5795kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -17.064
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 12HA

Physicochemical properties

Molecular weight 163.2Da
Lipinski: ≤ 500 Da
LogP (cLogP) 0.32
Lipinski: ≤ 5
Rotatable bonds 2

Conformational strain (MMFF94s)

Strain energy (ΔE) 30.55kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 84.75kcal/mol
Minimised FF energy 54.21kcal/mol

SASA & burial

✓ computed
SASA (unbound) 366.7Ų
Total solvent-accessible surface area of free ligand
BSA total 352.2Ų
Buried surface area upon binding
BSA apolar 289.7Ų
Hydrophobic contacts buried
BSA polar 62.5Ų
Polar contacts buried
Fraction buried 96.1%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 82.3%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1454.4Ų
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 1026.7Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)