FAIRMol

ulfkktlib_901

Pose ID 6955 Compound 2323 Pose 181

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_901

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Promising SASA cached
Promising and worth follow-up
Binding strong Geometry medium Native strong SASA done
Strain ΔE
7.6 kcal/mol
Protein clashes
3
Internal clashes
3
Native overlap
contact recall 0.56, Jaccard 0.45, H-bond role recall 0.20
Burial
92%
Hydrophobic fit
62%
Reason: no major geometry red flags detected
3 protein-contact clashes 3 intramolecular clashes
Molecular report
Full metrics ↗
Promising Reasonable quality metrics. Warrants further investigation.
✓ Low conformational strain (7.6 kcal/mol) ✓ Excellent LE (-1.242 kcal/mol/HA) ✓ Good fit quality (FQ -10.60) ✓ Good H-bonds (5 bonds) ✓ Deep burial (92% SASA buried) ✓ Lipophilic contacts well-matched (62%) ✗ Geometry warnings
Score
-26.088
kcal/mol
LE
-1.242
kcal/mol/HA
Fit Quality
-10.60
FQ (Leeson)
HAC
21
heavy atoms
MW
321
Da
LogP
0.52
cLogP
Strain ΔE
7.6 kcal/mol
SASA buried
92%
Lipo contact
62% BSA apolar/total
SASA unbound
542 Ų
Apolar buried
309 Ų

Interaction summary

HB 5 HY 21 PI 2 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 rank1.645Score-26.088
Inter norm-1.236Intra norm-0.007
Top1000noExcludedno
Contacts14H-bonds5
Artifact reasongeometry warning; 4 clashes; 1 protein clash
Residues
ALA40 ASN125 GLN124 GLU192 GLY39 HIS144 ILE126 LEU194 PHE189 PHE190 PHE74 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 overlap10Native recall0.56
Jaccard0.45RMSD-
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
171 -0.3405464895934728 -1.08614 -23.1846 0 16 0 0.00 0.00 - no Open
126 0.9927636277112746 -1.33206 -28.564 8 18 0 0.00 0.00 - no Open
181 1.6448139967210575 -1.23571 -26.0884 5 14 10 0.56 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 -26.088kcal/mol
Ligand efficiency (LE) -1.2423kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -10.596
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 21HA

Physicochemical properties

Molecular weight 321.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 0.52
Lipinski: ≤ 5
Rotatable bonds 4

Conformational strain (MMFF94s)

Strain energy (ΔE) 7.61kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -27.91kcal/mol
Minimised FF energy -35.53kcal/mol

SASA & burial

✓ computed
SASA (unbound) 542.3Ų
Total solvent-accessible surface area of free ligand
BSA total 500.5Ų
Buried surface area upon binding
BSA apolar 308.9Ų
Hydrophobic contacts buried
BSA polar 191.6Ų
Polar contacts buried
Fraction buried 92.3%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 61.7%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1755.7Ų
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 948.4Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)