FAIRMol

Z56071437

Pose ID 7369 Compound 311 Pose 595

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 Z56071437

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Weak SASA cached
Weak or marginal quality
Binding strong Geometry medium Native strong SASA done
Strain ΔE
36.3 kcal/mol
Protein clashes
4
Internal clashes
4
Native overlap
contact recall 0.78, Jaccard 0.56, H-bond role recall 0.20
Burial
90%
Hydrophobic fit
77%
Reason: no major geometry red flags detected
4 protein-contact clashes 4 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.788 kcal/mol/HA) ✓ Good fit quality (FQ -7.68) ✓ Good H-bonds (4 bonds) ✓ Deep burial (90% SASA buried) ✓ Lipophilic contacts well-matched (77%) ✗ Very high strain energy (36.3 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (10)
Score
-24.427
kcal/mol
LE
-0.788
kcal/mol/HA
Fit Quality
-7.68
FQ (Leeson)
HAC
31
heavy atoms
MW
500
Da
LogP
5.50
cLogP
Strain ΔE
36.3 kcal/mol
SASA buried
90%
Lipo contact
77% BSA apolar/total
SASA unbound
739 Ų
Apolar buried
514 Ų

Interaction summary

HB 4 HY 24 PI 2 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 rank3.501Score-24.427
Inter norm-0.774Intra norm-0.014
Top1000noExcludedno
Contacts21H-bonds4
Artifact reasongeometry warning; 10 clashes; 2 protein clashes; high strain Δ 36.3
Residues
ALA40 ASN125 GLN124 GLU192 GLY191 GLY39 HIS144 HIS222 ILE126 LEU194 LEU95 PHE189 PHE190 PHE51 PHE74 PRO223 SER218 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 overlap14Native recall0.78
Jaccard0.56RMSD-
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
572 0.5870117947832066 -1.10765 -37.5989 7 16 0 0.00 0.00 - no Open
583 0.8823549273857154 -0.910836 -30.2227 2 20 0 0.00 0.00 - no Open
592 1.310495564240597 -0.754262 -27.3292 4 16 0 0.00 0.00 - no Open
611 1.7798849023795245 -0.802683 -26.2147 4 16 0 0.00 0.00 - no Open
594 1.9412230667148331 -0.877204 -32.0703 1 19 0 0.00 0.00 - no Open
584 2.0822003114507757 -0.856641 -25.7246 2 18 0 0.00 0.00 - no Open
583 2.606119674997513 -0.894636 -26.6402 9 16 0 0.00 0.00 - no Open
600 2.62217074979796 -0.689693 -24.6956 3 8 0 0.00 0.00 - no Open
575 3.3580502961066707 -0.8137 -25.6478 3 15 0 0.00 0.00 - no Open
595 3.5009994029016003 -0.774293 -24.4273 4 21 14 0.78 0.20 - no Current
587 3.744243536944524 -0.642671 -23.6962 5 10 0 0.00 0.00 - no Open
600 3.987159201366124 -1.08362 -33.2245 13 19 0 0.00 0.00 - no Open
591 6.027892840267617 -0.912188 -27.1412 8 19 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 -24.427kcal/mol
Ligand efficiency (LE) -0.7880kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.677
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 31HA

Physicochemical properties

Molecular weight 500.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 5.50
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)

Strain energy (ΔE) 36.33kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -20.66kcal/mol
Minimised FF energy -56.99kcal/mol

SASA & burial

✓ computed
SASA (unbound) 738.9Ų
Total solvent-accessible surface area of free ligand
BSA total 668.4Ų
Buried surface area upon binding
BSA apolar 514.3Ų
Hydrophobic contacts buried
BSA polar 154.2Ų
Polar contacts buried
Fraction buried 90.5%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 76.9%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2015.5Ų
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 940.6Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)