FAIRMol

ulfkktlib_1621

Pose ID 6965 Compound 1240 Pose 191

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_1621

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 high Native strong SASA done
Strain ΔE
10.5 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.56, Jaccard 0.56, H-bond role recall 0.40
Burial
70%
Hydrophobic fit
89%
Reason: no major geometry red flags detected
1 protein-contact clashes 50% of hydrophobic surface appears solvent-exposed (11/22 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
Molecular report
Full metrics ↗
Promising Reasonable quality metrics. Warrants further investigation.
✓ Excellent LE (-0.828 kcal/mol/HA) ✓ Good fit quality (FQ -7.81) ✓ Good H-bonds (3 bonds) ✓ Deep burial (70% SASA buried) ✓ Lipophilic contacts well-matched (89%) ✗ Moderate strain (10.5 kcal/mol) ✗ Geometry warnings ✗ Minor protein-contact clashes (3) ✗ Internal clashes (9)
Score
-23.175
kcal/mol
LE
-0.828
kcal/mol/HA
Fit Quality
-7.81
FQ (Leeson)
HAC
28
heavy atoms
MW
374
Da
LogP
2.87
cLogP
Strain ΔE
10.5 kcal/mol
SASA buried
70%
Lipo contact
89% BSA apolar/total
SASA unbound
657 Ų
Apolar buried
413 Ų

Interaction summary

HB 3 HY 21 PI 2 CLASH 1 ⚠ Exposure 50%

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

⚠️Partial hydrophobic solvent exposure
50% of hydrophobic surface appears solvent-exposed (11/22 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
Non-polar atoms 22 Buried (contacted) 11 Exposed 11 LogP 2.87 H-bonds 3
Exposed fragments: phenyl (4/5 atoms exposed)phenyl (6/6 atoms exposed)aliphatic chain/group (1 atom exposed)
Final rank0.776Score-23.175
Inter norm-0.848Intra norm0.020
Top1000noExcludedno
Contacts10H-bonds3
Artifact reasongeometry warning; 9 clashes; 3 protein contact clashes
Residues
ASN193 GLU192 GLY191 HIS144 HIS222 PHE189 PHE190 PHE74 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
Jaccard0.56RMSD-
HB strict2Strict recall0.40
HB same residue+role2HB role recall0.40
HB same residue2HB residue recall0.50

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
191 0.7756359000722192 -0.848156 -23.1748 3 10 10 0.56 0.40 - no Current
239 2.1212380531769823 -0.960196 -18.3762 2 17 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 -23.175kcal/mol
Ligand efficiency (LE) -0.8277kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.813
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 28HA

Physicochemical properties

Molecular weight 374.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.87
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)

Strain energy (ΔE) 10.45kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 1.57kcal/mol
Minimised FF energy -8.88kcal/mol

SASA & burial

✓ computed
SASA (unbound) 657.2Ų
Total solvent-accessible surface area of free ligand
BSA total 461.6Ų
Buried surface area upon binding
BSA apolar 412.9Ų
Hydrophobic contacts buried
BSA polar 48.8Ų
Polar contacts buried
Fraction buried 70.2%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 89.4%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1982.1Ų
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 975.5Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)