FAIRMol

KB_chagas_146

Pose ID 6839 Compound 848 Pose 252

DB Docking_panel_21Docking pose analysis is being read from this database.
Molecular metrics status: done
Cached molecular metrics are available for this pose.
Metrics cached · SASA missing

py3Dmol interaction viewer

Left: interactive complex viewer. Right: clickable PLIP-like interaction summary. Clicking an interaction thickens and highlights it in the 3D view.
Strict H-bonds Permissive H-bonds
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.696 kcal/mol/HA) ✓ Good fit quality (FQ -6.78) ✗ Very high strain energy (26.9 kcal/mol) ✗ No H-bonds detected ✗ Geometry warnings ✗ Protein contact clashes ℹ SASA not computed
Score
-21.584
kcal/mol
LE
-0.696
kcal/mol/HA
Fit Quality
-6.78
FQ (Leeson)
HAC
31
heavy atoms
MW
459
Da
LogP
2.86
cLogP
Strain ΔE
26.9 kcal/mol
SASA buried
computing…
Overall: Promising but geometrically suspicious
Binding evidence: strong
Native-like contacts: strong
Ligand efficiency: excellent
Geometry reliability: low
Reason: geometry warning, clashes, protein contact clashes, strain 26.9 kcal/mol

Interaction summary

Collapsible panels
H-bonds 0 Hydrophobic 20 π–π 3 Clashes 3 Severe clashes 0
Final rank3.1762092149092527Score-21.5836
Inter norm-0.763812Intra norm0.0675664
Top1000noExcludedno
Contacts14H-bonds0
Artifact reasongeometry warning; 7 clashes; 3 protein contact clashes; high strain Δ 30.7
ResiduesA:ARG17;A:GLY225;A:HIS241;A:LEU188;A:LEU226;A:LEU229;A:LYS244;A:MET233;A:NDP302;A:PHE113;A:SER227;A:TYR194;A:VAL237;D:ARG287

Protein summary

308 residues
Protein targetT04Atoms4210
Residues308Chains3
Residue summaryLEU:494; ALA:421; ARG:384; VAL:368; THR:295; TYR:231; SER:198; PRO:196; ILE:190; LYS:176; ASN:154; GLU:150; GLY:126; PHE:120; HIS:119; ASP:108

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name7PXXContacts19
PoseOpen native poseH-bonds8
IFP residuesA:ARG17; A:ASP181; A:GLY225; A:HIS241; A:LEU188; A:LEU226; A:LEU229; A:LYS198; A:MET233; A:NDP302; A:PHE113; A:PRO115; A:SER111; A:SER112; A:SER227; A:TYR191; A:TYR194; A:VAL230; D:ARG287
Current overlap12Native recall0.63
Jaccard0.57RMSD-
H-bond strict0Strict recall0.00
H-bond same residue+role0Role recall0.00
H-bond same residue0Residue recall0.00

Hydrogen bonds

No hydrogen bonds detected for this pose.

π–π interactions

Native π–π recall is disabled because no explicit native π–π reference was stored.

Hydrophobic contacts

Clashes

All stored poses for this docking hit

PoseFinal rankInter normScoreHBContactsNative overlapNative recallHB role recallRMSDExcluded
252 3.1762092149092527 -0.763812 -21.5836 0 14 12 0.63 0.00 - no Current
254 4.354675068388452 -0.745463 -21.4987 0 16 13 0.68 0.00 - no Open
253 5.221023938584281 -0.540579 -14.6038 1 12 11 0.58 0.20 - yes Open

Molecular metrics

FreeSASA-based burial, strain energy (MMFF94s), ligand efficiency and fit quality for this docking pose.
✓ Metrics available

Scoring & efficiency

Docking score -21.584kcal/mol
Ligand efficiency (LE) -0.6962kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -6.783
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 31HA

Physicochemical properties

Molecular weight 458.6Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.86
Lipinski: ≤ 5
Rotatable bonds 9

Conformational strain (MMFF94s)

Strain energy (ΔE) 26.90kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 36.59kcal/mol
Minimised FF energy 9.69kcal/mol

SASA & burial (FreeSASA)

not yet run
SASA has not been computed yet for this pose. Queue a background recompute to populate FreeSASA burial metrics without blocking the page.