FAIRMol

KB_chagas_138

Pose ID 6838 Compound 840 Pose 251

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 ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.672 kcal/mol/HA) ✓ Good fit quality (FQ -6.11) ✗ High strain energy (16.4 kcal/mol) ✗ Geometry warnings ℹ SASA not computed
Score
-16.802
kcal/mol
LE
-0.672
kcal/mol/HA
Fit Quality
-6.11
FQ (Leeson)
HAC
25
heavy atoms
MW
336
Da
LogP
1.80
cLogP
Strain ΔE
16.4 kcal/mol
SASA buried
computing…
Overall: Promising but geometrically suspicious
Binding evidence: strong
Native-like contacts: mixed
Ligand efficiency: excellent
Geometry reliability: low
Reason: geometry warning, clashes, strain 16.4 kcal/mol

Interaction summary

Collapsible panels
H-bonds 1 Hydrophobic 19 π–π 2 Clashes 4 Severe clashes 1
Final rank54.11406331996647Score-16.8021
Inter norm-0.722211Intra norm0.0501269
Top1000noExcludedyes
Contacts11H-bonds1
Artifact reasonexcluded; geometry warning; 10 clashes; 1 protein clash
ResiduesA:ARG17;A:HIS241;A:LEU188;A:LEU226;A:LEU229;A:MET233;A:NDP302;A:PHE113;A:TYR191;A:TYR194;A:VAL237

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 overlap10Native recall0.53
Jaccard0.50RMSD-
H-bond strict1Strict recall0.17
H-bond same residue+role1Role recall0.20
H-bond same residue1Residue recall0.20

Hydrogen bonds

Mode: strict. Count shows atom-level H-bonds; unique residues in summary: 0.

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
249 3.0731483326455593 -0.528114 -12.6591 0 11 8 0.42 0.00 - no Open
248 4.102077899534413 -0.939077 -21.7958 0 12 12 0.63 0.00 - no Open
250 3.9120085327437453 -0.674362 -15.4654 0 10 10 0.53 0.00 - yes Open
251 54.11406331996647 -0.722211 -16.8021 1 11 10 0.53 0.20 - yes Current

Molecular metrics

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

Scoring & efficiency

Docking score -16.802kcal/mol
Ligand efficiency (LE) -0.6721kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -6.110
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 25HA

Physicochemical properties

Molecular weight 336.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 1.80
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)

Strain energy (ΔE) 16.44kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 17.16kcal/mol
Minimised FF energy 0.72kcal/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.