FAIRMol

Z27603811

Pose ID 7230 Compound 2627 Pose 456

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 Z27603811

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
51.8 kcal/mol
Protein clashes
4
Internal clashes
4
Native overlap
contact recall 0.72, Jaccard 0.59, H-bond role recall 0.40
Burial
87%
Hydrophobic fit
77%
Reason: strain 51.8 kcal/mol
strain ΔE 51.8 kcal/mol 4 protein-contact clashes 4 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.719 kcal/mol/HA) ✓ Good fit quality (FQ -6.79) ✓ Deep burial (87% SASA buried) ✓ Lipophilic contacts well-matched (77%) ✗ Extreme strain energy (51.8 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (11)
Score
-20.135
kcal/mol
LE
-0.719
kcal/mol/HA
Fit Quality
-6.79
FQ (Leeson)
HAC
28
heavy atoms
MW
417
Da
LogP
4.32
cLogP
Strain ΔE
51.8 kcal/mol
SASA buried
87%
Lipo contact
77% BSA apolar/total
SASA unbound
658 Ų
Apolar buried
441 Ų

Interaction summary

HB 2 HY 24 PI 5 CLASH 4

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 rank2.417Score-20.135
Inter norm-0.862Intra norm0.142
Top1000noExcludedno
Contacts17H-bonds2
Artifact reasongeometry warning; 11 clashes; 1 protein clash; high strain Δ 51.8
Residues
ASN125 GLN124 GLY191 HIS144 HIS222 ILE126 LEU194 PHE189 PHE190 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 overlap13Native recall0.72
Jaccard0.59RMSD-
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
456 2.416764649894712 -0.861589 -20.1354 2 17 13 0.72 0.40 - no Current
446 2.669459044516742 -0.916127 -22.8742 3 18 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 -20.135kcal/mol
Ligand efficiency (LE) -0.7191kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -6.789
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 28HA

Physicochemical properties

Molecular weight 416.9Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.32
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 51.79kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 66.17kcal/mol
Minimised FF energy 14.38kcal/mol

SASA & burial

✓ computed
SASA (unbound) 658.3Ų
Total solvent-accessible surface area of free ligand
BSA total 571.0Ų
Buried surface area upon binding
BSA apolar 440.7Ų
Hydrophobic contacts buried
BSA polar 130.2Ų
Polar contacts buried
Fraction buried 86.7%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 77.2%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1953.4Ų
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 944.0Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)