FAIRMol

Z19577747

Pose ID 7166 Compound 344 Pose 392

DB fairmolDocking 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 Z19577747

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
52.5 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 0.94, Jaccard 0.85, H-bond role recall 0.20
Burial
76%
Hydrophobic fit
76%
Reason: strain 52.5 kcal/mol
strain ΔE 52.5 kcal/mol 2 protein-contact clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.454 kcal/mol/HA) ✓ Good fit quality (FQ -4.61) ✓ Good H-bonds (3 bonds) ✓ Deep burial (76% SASA buried) ✓ Lipophilic contacts well-matched (76%) ✗ Extreme strain energy (52.5 kcal/mol) ✗ Geometry warnings ✗ Minor protein-contact clashes (2) ✗ Many internal clashes (18)
Score
-16.337
kcal/mol
LE
-0.454
kcal/mol/HA
Fit Quality
-4.61
FQ (Leeson)
HAC
36
heavy atoms
MW
527
Da
LogP
2.78
cLogP
Strain ΔE
52.5 kcal/mol
SASA buried
76%
Lipo contact
76% BSA apolar/total
SASA unbound
835 Ų
Apolar buried
480 Ų

Interaction summary

HB 3 HY 24 PI 4 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 rank1.594Score-16.337
Inter norm-0.669Intra norm0.215
Top1000noExcludedno
Contacts19H-bonds3
Artifact reasongeometry warning; 18 clashes; 2 protein contact clashes; high strain Δ 51.5
Residues
ASN193 GLN220 GLU192 GLY191 HIS144 HIS222 ILE126 LEU194 PHE189 PHE190 PHE199 PHE51 PHE74 PRO223 PRO70 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 overlap17Native recall0.94
Jaccard0.85RMSD-
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
392 1.5943336334549723 -0.668868 -16.3371 3 19 17 0.94 0.20 - no Current
478 2.0665859748005864 -0.721884 -21.6602 8 20 0 0.00 0.00 - no Open
434 3.777103133594153 -0.599996 -16.1559 6 15 0 0.00 0.00 - no Open
455 4.129282538810108 -0.821644 -22.4015 8 21 0 0.00 0.00 - no Open
418 4.471146180115871 -0.543323 -10.3461 5 10 0 0.00 0.00 - no Open
382 5.245347832457755 -0.704219 -17.9134 15 16 0 0.00 0.00 - no Open
425 5.431686532461885 -0.74189 -20.9376 10 16 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 -16.337kcal/mol
Ligand efficiency (LE) -0.4538kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -4.612
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 36HA

Physicochemical properties

Molecular weight 526.6Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.78
Lipinski: ≤ 5
Rotatable bonds 9

Conformational strain (MMFF94s)

Strain energy (ΔE) 52.52kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -11.45kcal/mol
Minimised FF energy -63.98kcal/mol

SASA & burial

✓ computed
SASA (unbound) 835.2Ų
Total solvent-accessible surface area of free ligand
BSA total 634.6Ų
Buried surface area upon binding
BSA apolar 479.9Ų
Hydrophobic contacts buried
BSA polar 154.7Ų
Polar contacts buried
Fraction buried 76.0%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 75.6%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2046.1Ų
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 958.3Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)