FAIRMol

Z57061994

Pose ID 14230 Compound 4210 Pose 672

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T21
T. cruzi R5P T. cruzi
Ligand Z57061994
PDB3K7O

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 but geometrically suspicious
Binding strong Geometry low Native strong SASA done
Strain ΔE
16.2 kcal/mol
Protein clashes
0
Internal clashes
8
Native overlap
contact recall 0.93, Jaccard 0.72, H-bond role recall 0.44
Burial
88%
Hydrophobic fit
70%
Reason: 8 internal clashes
8 intramolecular clashes
Molecular report
Full metrics ↗
Promising Reasonable quality metrics. Warrants further investigation.
✓ Excellent LE (-1.267 kcal/mol/HA) ✓ Good fit quality (FQ -10.60) ✓ Strong H-bond network (7 bonds) ✓ Deep burial (88% SASA buried) ✓ Lipophilic contacts well-matched (70%) ✗ Moderate strain (16.2 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (8)
Score
-25.332
kcal/mol
LE
-1.267
kcal/mol/HA
Fit Quality
-10.60
FQ (Leeson)
HAC
20
heavy atoms
MW
292
Da
LogP
1.75
cLogP
Strain ΔE
16.2 kcal/mol
SASA buried
88%
Lipo contact
70% BSA apolar/total
SASA unbound
512 Ų
Apolar buried
317 Ų

Interaction summary

HB 7 HY 8 PI 2 CLASH 0
Final rank1.486Score-25.332
Inter norm-1.262Intra norm-0.005
Top1000noExcludedno
Contacts17H-bonds7
Artifact reasongeometry warning; 8 clashes; 1 protein clash
Residues
ARG137 ARG141 ASN103 HIS102 HIS138 MET98 TYR94 ARG113 ASP10 CYS69 GLY70 GLY72 GLY74 HIS11 PRO12 SER71 TYR46

Protein summary

305 residues
Protein targetT21Atoms4646
Residues305Chains2
Residue summaryARG:576; ILE:532; VAL:512; GLU:420; ALA:360; PHE:240; HIS:238; LYS:220; THR:210; LEU:190; PRO:168; TYR:168; GLY:154; SER:154; ASP:144; ASN:112

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name3K7OContacts14
PoseOpen native poseHB0
IFP residues
ARG137 ARG141 ASN103 HIS102 HIS138 ASP10 CYS69 GLY70 GLY74 HIS11 ILE73 PRO12 SER71 TYR46
Current overlap13Native recall0.93
Jaccard0.72RMSD-
HB strict5Strict recall0.42
HB same residue+role4HB role recall0.44
HB same residue3HB residue recall0.38

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

No clash · clashes detected for this pose.

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
672 1.4863512674249457 -1.26199 -25.3323 7 17 13 0.93 0.44 - no Current
656 3.659504726553431 -1.11483 -21.728 8 9 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 -25.332kcal/mol
Ligand efficiency (LE) -1.2666kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -10.599
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 20HA

Physicochemical properties

Molecular weight 292.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 1.75
Lipinski: ≤ 5
Rotatable bonds 4

Conformational strain (MMFF94s)

Strain energy (ΔE) 16.23kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -56.37kcal/mol
Minimised FF energy -72.60kcal/mol

SASA & burial

✓ computed
SASA (unbound) 511.5Ų
Total solvent-accessible surface area of free ligand
BSA total 449.7Ų
Buried surface area upon binding
BSA apolar 317.1Ų
Hydrophobic contacts buried
BSA polar 132.6Ų
Polar contacts buried
Fraction buried 87.9%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 70.5%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2115.3Ų
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 2482.0Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 740.5Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)