FAIRMol

ulfkktlib_1025

Pose ID 2136 Compound 1691 Pose 103

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_1025
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 mixed SASA done
Strain ΔE
20.5 kcal/mol
Protein clashes
0
Internal clashes
2
Native overlap
contact recall 0.53, Jaccard 0.53, H-bond role recall 0.20
Burial
80%
Hydrophobic fit
92%
Reason: no major geometry red flags detected
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.743 kcal/mol/HA) ✓ Good fit quality (FQ -7.09) ✓ Deep burial (80% SASA buried) ✓ Lipophilic contacts well-matched (92%) ✗ High strain energy (20.5 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (11)
Score
-21.551
kcal/mol
LE
-0.743
kcal/mol/HA
Fit Quality
-7.09
FQ (Leeson)
HAC
29
heavy atoms
MW
384
Da
LogP
3.45
cLogP
Strain ΔE
20.5 kcal/mol
SASA buried
80%
Lipo contact
92% BSA apolar/total
SASA unbound
685 Ų
Apolar buried
502 Ų

Interaction summary

HB 1 HY 19 PI 2 CLASH 2

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 rank0.547Score-21.551
Inter norm-0.884Intra norm0.141
Top1000noExcludedno
Contacts10H-bonds1
Artifact reasongeometry warning; 11 clashes; 1 protein contact clash; 2 cofactor-context clashes; moderate strain Δ 20.5
Residues
ARG17 HIS241 LEU188 LEU226 LEU229 MET233 NDP302 PHE113 TYR194 VAL230

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 overlap10Native recall0.53
Jaccard0.53RMSD-
HB strict1Strict recall0.17
HB same residue+role1HB role recall0.20
HB same residue1HB residue recall0.20

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
103 0.5472942944606926 -0.883853 -21.5511 1 10 10 0.53 0.20 - 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 -21.551kcal/mol
Ligand efficiency (LE) -0.7431kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.094
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 29HA

Physicochemical properties

Molecular weight 384.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.45
Lipinski: ≤ 5
Rotatable bonds 8

Conformational strain (MMFF94s)

Strain energy (ΔE) 20.48kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 45.59kcal/mol
Minimised FF energy 25.11kcal/mol

SASA & burial

✓ computed
SASA (unbound) 685.4Ų
Total solvent-accessible surface area of free ligand
BSA total 547.2Ų
Buried surface area upon binding
BSA apolar 502.3Ų
Hydrophobic contacts buried
BSA polar 44.9Ų
Polar contacts buried
Fraction buried 79.8%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 91.8%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1774.2Ų
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 1045.2Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)