FAIRMol

KB_chagas_146

Pose ID 6841 Compound 848 Pose 254

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 (-0.694 kcal/mol/HA) ✓ Good fit quality (FQ -6.76) ✗ Very high strain energy (24.5 kcal/mol) ✗ No H-bonds detected ✗ Geometry warnings ✗ Protein contact clashes ℹ SASA not computed
Score
-21.499
kcal/mol
LE
-0.694
kcal/mol/HA
Fit Quality
-6.76
FQ (Leeson)
HAC
31
heavy atoms
MW
458
Da
LogP
4.28
cLogP
Strain ΔE
24.5 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 24.5 kcal/mol

Interaction summary

Collapsible panels
H-bonds 0 Hydrophobic 15 π–π 3 Clashes 5 Severe clashes 0
Final rank4.354675068388452Score-21.4987
Inter norm-0.745463Intra norm0.0519566
Top1000noExcludedno
Contacts16H-bonds0
Artifact reasongeometry warning; 12 clashes; 5 protein contact clashes; high strain Δ 28.0
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:TYR283;A:VAL230;D:ALA288;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 overlap13Native recall0.68
Jaccard0.59RMSD-
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 Open
254 4.354675068388452 -0.745463 -21.4987 0 16 13 0.68 0.00 - no Current
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 -21.499kcal/mol
Ligand efficiency (LE) -0.6935kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -6.756
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 31HA

Physicochemical properties

Molecular weight 457.6Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.28
Lipinski: ≤ 5
Rotatable bonds 9

Conformational strain (MMFF94s)

Strain energy (ΔE) 24.52kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 43.23kcal/mol
Minimised FF energy 18.71kcal/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.