FAIRMol

ulfkktlib_3273

Pose ID 6975 Compound 1538 Pose 201

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T11
L. infantum SIR2 L. infantum
Ligand ulfkktlib_3273

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
66.9 kcal/mol
Protein clashes
3
Internal clashes
3
Native overlap
contact recall 0.72, Jaccard 0.68, H-bond role recall 0.20
Burial
92%
Hydrophobic fit
79%
Reason: strain 66.9 kcal/mol
strain ΔE 66.9 kcal/mol 3 protein-contact clashes 3 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-1.305 kcal/mol/HA) ✓ Good fit quality (FQ -10.70) ✓ Strong H-bond network (7 bonds) ✓ Deep burial (92% SASA buried) ✓ Lipophilic contacts well-matched (79%) ✗ Extreme strain energy (66.9 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (5)
Score
-24.800
kcal/mol
LE
-1.305
kcal/mol/HA
Fit Quality
-10.70
FQ (Leeson)
HAC
19
heavy atoms
MW
265
Da
LogP
-0.81
cLogP
Strain ΔE
66.9 kcal/mol
SASA buried
92%
Lipo contact
79% BSA apolar/total
SASA unbound
494 Ų
Apolar buried
358 Ų

Interaction summary

HB 7 HY 24 PI 0 CLASH 3

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 rank2.629Score-24.800
Inter norm-1.313Intra norm0.008
Top1000noExcludedno
Contacts14H-bonds7
Artifact reasongeometry warning; 5 clashes; 2 protein clashes; high strain Δ 66.9
Residues
GLU192 GLY191 HIS144 HIS222 ILE126 LEU194 PHE189 PHE190 PHE51 PHE74 PRO223 VAL187 VAL188 VAL221

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name5OL0Contacts18
PoseOpen native poseHB0
IFP residues
ASN193 GLN220 GLU192 GLY191 HIS144 HIS222 ILE126 LEU194 LEU226 PHE189 PHE190 PHE199 PHE74 PRO223 THR71 VAL187 VAL188 VAL221
Current overlap13Native recall0.72
Jaccard0.68RMSD-
HB strict1Strict recall0.20
HB same residue+role1HB role recall0.20
HB same residue1HB residue recall0.25

Protein summary

287 residues
Protein targetT11Atoms4391
Residues287Chains1
Residue summaryLEU:627; ARG:432; VAL:384; GLU:316; PHE:300; ILE:285; ALA:260; PRO:238; HIS:187; ASP:157; LYS:154; SER:154; THR:154; GLY:147; ASN:140; TYR:126

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
219 -0.2890034272782563 -1.33092 -26.072 2 10 1 0.06 0.00 - no Open
248 2.1468220711761954 -0.999302 -21.6209 7 7 0 0.00 0.00 - no Open
201 2.629379648213995 -1.31314 -24.7998 7 14 13 0.72 0.20 - no Current
225 3.453819368784842 -1.23301 -24.7733 8 10 0 0.00 0.00 - no Open
145 4.2835367831841324 -1.26072 -22.3371 9 12 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 -24.800kcal/mol
Ligand efficiency (LE) -1.3053kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -10.699
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 19HA

Physicochemical properties

Molecular weight 265.3Da
Lipinski: ≤ 500 Da
LogP (cLogP) -0.81
Lipinski: ≤ 5
Rotatable bonds 4

Conformational strain (MMFF94s)

Strain energy (ΔE) 66.88kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 151.01kcal/mol
Minimised FF energy 84.13kcal/mol

SASA & burial

✓ computed
SASA (unbound) 494.1Ų
Total solvent-accessible surface area of free ligand
BSA total 452.8Ų
Buried surface area upon binding
BSA apolar 357.7Ų
Hydrophobic contacts buried
BSA polar 95.1Ų
Polar contacts buried
Fraction buried 91.6%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 79.0%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1842.0Ų
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 2380.0Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 937.0Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)