FAIRMol

ulfkktlib_626

Pose ID 6952 Compound 2159 Pose 178

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_626

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
21.9 kcal/mol
Protein clashes
3
Internal clashes
3
Native overlap
contact recall 0.78, Jaccard 0.64, H-bond role recall 0.60
Burial
89%
Hydrophobic fit
62%
Reason: no major geometry red flags detected
3 protein-contact clashes 3 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.055 kcal/mol/HA) ✓ Good fit quality (FQ -9.00) ✓ Good H-bonds (5 bonds) ✓ Deep burial (89% SASA buried) ✓ Lipophilic contacts well-matched (62%) ✗ High strain energy (21.9 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (6)
Score
-22.148
kcal/mol
LE
-1.055
kcal/mol/HA
Fit Quality
-9.00
FQ (Leeson)
HAC
21
heavy atoms
MW
343
Da
LogP
1.71
cLogP
Strain ΔE
21.9 kcal/mol
SASA buried
89%
Lipo contact
62% BSA apolar/total
SASA unbound
575 Ų
Apolar buried
320 Ų

Interaction summary

HB 5 HY 18 PI 4 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 rank2.783Score-22.148
Inter norm-1.196Intra norm0.142
Top1000noExcludedno
Contacts18H-bonds5
Artifact reasongeometry warning; 6 clashes; 2 protein clashes; moderate strain Δ 21.9
Residues
ALA40 ASN125 GLN124 GLU192 GLY191 HIS144 HIS222 ILE126 LEU194 PHE189 PHE190 PHE51 PHE74 PRO223 THR71 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 overlap14Native recall0.78
Jaccard0.64RMSD-
HB strict3Strict recall0.60
HB same residue+role3HB role recall0.60
HB same residue3HB residue recall0.75

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
137 2.3198940074084895 -1.33289 -21.776 3 14 1 0.06 0.00 - no Open
178 2.7827465063684103 -1.1962 -22.1484 5 18 14 0.78 0.60 - no Current
138 3.5786026995393545 -1.18465 -19.2148 12 14 0 0.00 0.00 - no Open
117 4.0238908551482435 -1.21769 -19.7669 14 17 0 0.00 0.00 - no Open
170 4.072400015552251 -1.44555 -29.5046 11 15 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 -22.148kcal/mol
Ligand efficiency (LE) -1.0547kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.996
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 21HA

Physicochemical properties

Molecular weight 343.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 1.71
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 21.87kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -243.99kcal/mol
Minimised FF energy -265.86kcal/mol

SASA & burial

✓ computed
SASA (unbound) 575.2Ų
Total solvent-accessible surface area of free ligand
BSA total 511.4Ų
Buried surface area upon binding
BSA apolar 319.8Ų
Hydrophobic contacts buried
BSA polar 191.6Ų
Polar contacts buried
Fraction buried 88.9%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 62.5%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1804.3Ų
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 938.8Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)