FAIRMol

ulfkktlib_1043

Pose ID 2853 Compound 2126 Pose 143

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 ulfkktlib_1043
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
38.7 kcal/mol
Protein clashes
0
Internal clashes
1
Native overlap
contact recall 0.71, Jaccard 0.60, H-bond role recall 0.33
Burial
98%
Hydrophobic fit
77%
Reason: no major geometry red flags detected
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.230 kcal/mol/HA) ✓ Good fit quality (FQ -10.49) ✓ Strong H-bond network (9 bonds) ✓ Deep burial (98% SASA buried) ✓ Lipophilic contacts well-matched (77%) ✗ Very high strain energy (38.7 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (8)
Score
-25.835
kcal/mol
LE
-1.230
kcal/mol/HA
Fit Quality
-10.49
FQ (Leeson)
HAC
21
heavy atoms
MW
284
Da
LogP
0.03
cLogP
Strain ΔE
38.7 kcal/mol
SASA buried
98%
Lipo contact
77% BSA apolar/total
SASA unbound
482 Ų
Apolar buried
363 Ų

Interaction summary

HB 9 HY 18 PI 3 CLASH 1

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 rank2.037Score-25.835
Inter norm-1.412Intra norm0.182
Top1000noExcludedno
Contacts15H-bonds9
Artifact reasongeometry warning; 8 clashes; 2 protein clashes; 6 cofactor-context clashes; high strain Δ 38.7
Residues
ARG17 ASP181 GLY225 LEU18 LEU188 LEU226 LEU229 MET183 NDP302 PHE113 SER111 SER227 TYR194 VAL230 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 overlap12Native recall0.71
Jaccard0.60RMSD-
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
174 1.698992111460874 -1.12816 -19.8442 4 16 0 0.00 0.00 - no Open
143 2.0371256536657647 -1.41238 -25.8352 9 15 12 0.71 0.33 - no Current
144 2.529318626153146 -1.39609 -25.4514 10 15 12 0.71 0.50 - no Open
215 3.1041597969896917 -1.10387 -21.5608 7 15 0 0.00 0.00 - no Open
217 4.663318211015988 -1.08839 -21.6498 8 14 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 -25.835kcal/mol
Ligand efficiency (LE) -1.2302kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -10.494
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 21HA

Physicochemical properties

Molecular weight 284.3Da
Lipinski: ≤ 500 Da
LogP (cLogP) 0.03
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)

Strain energy (ΔE) 38.68kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 87.99kcal/mol
Minimised FF energy 49.32kcal/mol

SASA & burial

✓ computed
SASA (unbound) 481.8Ų
Total solvent-accessible surface area of free ligand
BSA total 471.5Ų
Buried surface area upon binding
BSA apolar 362.7Ų
Hydrophobic contacts buried
BSA polar 108.8Ų
Polar contacts buried
Fraction buried 97.9%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 76.9%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1525.9Ų
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 1026.2Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)