FAIRMol

ulfkktlib_350

Pose ID 2126 Compound 1502 Pose 93

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_350
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 strong SASA done
Strain ΔE
24.8 kcal/mol
Protein clashes
2
Internal clashes
4
Native overlap
contact recall 0.58, Jaccard 0.58, H-bond role recall 0.60
Burial
94%
Hydrophobic fit
89%
Reason: no major geometry red flags detected
2 protein-contact clashes 4 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.687 kcal/mol/HA) ✓ Good fit quality (FQ -12.46) ✓ Strong H-bond network (6 bonds) ✓ Deep burial (94% SASA buried) ✓ Lipophilic contacts well-matched (89%) ✗ High strain energy (24.8 kcal/mol) ✗ Geometry warnings ✗ Minor protein-contact clashes (4)
Score
-25.298
kcal/mol
LE
-1.687
kcal/mol/HA
Fit Quality
-12.46
FQ (Leeson)
HAC
15
heavy atoms
MW
210
Da
LogP
0.40
cLogP
Strain ΔE
24.8 kcal/mol
SASA buried
94%
Lipo contact
89% BSA apolar/total
SASA unbound
450 Ų
Apolar buried
376 Ų

Interaction summary

HB 6 HY 12 PI 0 CLASH 4

HB · H-bonds

Mode: strict. Count shows atom-level H-bonds; unique residues in summary: 0.

PI · π–π interactions

No pi · π–π interactions detected for this pose.

HY · Hydrophobic contacts

CLASH · Clashes

Final rank-0.612Score-25.298
Inter norm-1.739Intra norm0.053
Top1000noExcludedno
Contacts11H-bonds6
Artifact reasongeometry warning; 3 clashes; 4 protein contact clashes; 5 cofactor-context clashes; moderate strain Δ 24.8
Residues
ARG17 HIS241 LEU188 LEU226 LEU229 NDP302 PHE113 SER111 SER112 TYR194 ARG287

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 overlap11Native recall0.58
Jaccard0.58RMSD-
HB strict3Strict recall0.50
HB same residue+role3HB role recall0.60
HB same residue3HB residue recall0.60

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
93 -0.6116713162664669 -1.73926 -25.298 6 11 11 0.58 0.60 - 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 -25.298kcal/mol
Ligand efficiency (LE) -1.6865kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -12.462
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 15HA

Physicochemical properties

Molecular weight 210.3Da
Lipinski: ≤ 500 Da
LogP (cLogP) 0.40
Lipinski: ≤ 5
Rotatable bonds 4

Conformational strain (MMFF94s)

Strain energy (ΔE) 24.80kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 25.34kcal/mol
Minimised FF energy 0.54kcal/mol

SASA & burial

✓ computed
SASA (unbound) 449.8Ų
Total solvent-accessible surface area of free ligand
BSA total 421.1Ų
Buried surface area upon binding
BSA apolar 376.4Ų
Hydrophobic contacts buried
BSA polar 44.7Ų
Polar contacts buried
Fraction buried 93.6%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 89.4%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1554.8Ų
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 1026.9Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)