FAIRMol

Z44848695

Pose ID 7181 Compound 1783 Pose 407

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 Z44848695

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Reject SASA cached
Likely artefact or unreliable pose
Binding strong Geometry medium Native strong SASA done
Strain ΔE
20.1 kcal/mol
Protein clashes
4
Internal clashes
4
Native overlap
contact recall 0.72, Jaccard 0.50, H-bond role recall 0.40
Burial
88%
Hydrophobic fit
82%
Reason: no major geometry red flags detected
4 protein-contact clashes 4 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.594 kcal/mol/HA) ✓ Good fit quality (FQ -5.90) ✓ Good H-bonds (4 bonds) ✓ Deep burial (88% SASA buried) ✓ Lipophilic contacts well-matched (82%) ✗ High strain energy (20.1 kcal/mol) ✗ Geometry warnings ✗ Protein-contact clashes (6) ✗ Many internal clashes (17)
Score
-19.610
kcal/mol
LE
-0.594
kcal/mol/HA
Fit Quality
-5.90
FQ (Leeson)
HAC
33
heavy atoms
MW
437
Da
LogP
4.18
cLogP
Strain ΔE
20.1 kcal/mol
SASA buried
88%
Lipo contact
82% BSA apolar/total
SASA unbound
713 Ų
Apolar buried
516 Ų

Interaction summary

HB 4 HY 24 PI 3 CLASH 4
Final rank2.108Score-19.610
Inter norm-0.749Intra norm0.155
Top1000noExcludedno
Contacts21H-bonds4
Artifact reasongeometry warning; 17 clashes; 6 protein contact clashes; moderate strain Δ 20.1
Residues
ALA40 ASN125 ASP127 GLN124 GLU192 GLY191 HIS144 HIS222 ILE126 ILE48 LEU194 LEU93 LEU95 PHE189 PHE190 PHE51 PHE74 PRO223 VAL187 VAL188 VAL221

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

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
Jaccard0.50RMSD-
HB strict2Strict recall0.40
HB same residue+role2HB role recall0.40
HB same residue2HB residue recall0.50

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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
418 1.2278842288864344 -0.857079 -20.976 6 16 1 0.06 0.00 - no Open
467 1.6375834937838496 -0.71896 -22.4551 5 19 0 0.00 0.00 - no Open
407 2.1080698988494566 -0.749058 -19.6099 4 21 13 0.72 0.40 - no Current
386 3.6636739084782377 -0.87546 -31.76 6 13 1 0.06 0.00 - no Open
396 3.9920880200456956 -0.987515 -21.5464 9 20 0 0.00 0.00 - no Open
440 4.429876385133127 -0.763952 -23.7542 5 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 -19.610kcal/mol
Ligand efficiency (LE) -0.5942kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -5.896
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 33HA

Physicochemical properties

Molecular weight 437.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.18
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 20.07kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 116.94kcal/mol
Minimised FF energy 96.86kcal/mol

SASA & burial

✓ computed
SASA (unbound) 712.9Ų
Total solvent-accessible surface area of free ligand
BSA total 629.4Ų
Buried surface area upon binding
BSA apolar 515.7Ų
Hydrophobic contacts buried
BSA polar 113.7Ų
Polar contacts buried
Fraction buried 88.3%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 81.9%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2009.9Ų
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 944.3Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)