FAIRMol

KB_chagas_164

Pose ID 3955 Compound 28 Pose 637

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 (-0.985 kcal/mol/HA) ✓ Good fit quality (FQ -8.82) ✓ Strong H-bond network (9 bonds) ✗ High strain energy (15.3 kcal/mol) ✗ Geometry warnings ✗ Protein contact clashes ℹ SASA not computed
Score
-23.629
kcal/mol
LE
-0.985
kcal/mol/HA
Fit Quality
-8.82
FQ (Leeson)
HAC
24
heavy atoms
MW
337
Da
LogP
2.44
cLogP
Strain ΔE
15.3 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 15.3 kcal/mol

Interaction summary

Collapsible panels
H-bonds 9 Hydrophobic 22 π–π 1 Clashes 4 Severe clashes 0
Final rank2.5672039559790862Score-23.6293
Inter norm-1.09574Intra norm0.11119
Top1000noExcludedno
Contacts18H-bonds9
Artifact reasongeometry warning; 10 clashes; 4 protein contact clashes; moderate strain Δ 15.9
ResiduesA:ALA32;A:ARG48;A:ASP52;A:GLY157;A:ILE45;A:MET53;A:NDP301;A:PHE55;A:PHE56;A:SER44;A:THR180;A:TRP47;A:TYR162;A:TYR178;A:VAL156;A:VAL30;A:VAL31;A:VAL49

Protein summary

225 residues
Protein targetT03Atoms3428
Residues225Chains2
Residue summaryLEU:380; ARG:360; VAL:272; LYS:264; ALA:240; GLU:240; PRO:224; PHE:180; THR:154; ILE:152; SER:132; TYR:126; GLN:119; ASN:98; GLY:84; NDP:74

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name3CL9Contacts20
PoseOpen native poseH-bonds9
IFP residuesA:ALA32; A:ARG97; A:ASP52; A:ILE45; A:LEU94; A:LYS57; A:MET53; A:NDP301; A:PHE56; A:PHE91; A:PRO88; A:SER86; A:THR180; A:THR54; A:THR83; A:TYR162; A:VAL156; A:VAL30; A:VAL31; A:VAL87
Current overlap11Native recall0.55
Jaccard0.41RMSD-
H-bond strict4Strict recall0.57
H-bond same residue+role4Role recall0.80
H-bond same residue4Residue recall0.80

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
637 2.5672039559790862 -1.09574 -23.6293 9 18 11 0.55 0.80 - no Current
638 2.6296410864150035 -1.1164 -23.2172 6 17 14 0.70 0.80 - no Open
789 2.7432954351345193 -1.08725 -25.1706 4 17 0 0.00 0.00 - no Open
790 3.032726691043519 -1.04896 -25.2603 3 17 0 0.00 0.00 - no Open
590 3.865463360881475 -1.0613 -21.5743 3 11 0 0.00 0.00 - no Open
591 4.71655630422342 -0.985426 -21.1748 4 13 0 0.00 0.00 - no Open
636 3.9866736171028982 -1.12236 -21.9231 11 16 14 0.70 0.80 - yes Open
788 5.138745413827386 -1.1223 -25.4623 2 17 0 0.00 0.00 - 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 -23.629kcal/mol
Ligand efficiency (LE) -0.9846kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.823
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 24HA

Physicochemical properties

Molecular weight 337.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.44
Lipinski: ≤ 5
Rotatable bonds 3

Conformational strain (MMFF94s)

Strain energy (ΔE) 15.34kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -136.18kcal/mol
Minimised FF energy -151.52kcal/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.