FAIRMol

KB_HAT_88

Pose ID 13220 Compound 1566 Pose 367

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
T08
Pteridine reductase 1 (PTR1) Trypanosoma brucei
Ligand KB_HAT_88
PDB6RX6

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Weak No SASA yet
Weak or marginal quality
Binding strong Geometry medium Native strong SASA missing
Strain ΔE
14.8 kcal/mol
Protein clashes
2
Internal clashes
3
Native overlap
contact recall 0.79, Jaccard 0.75, H-bond role recall 0.40
Burial
94%
Reason: no major geometry red flags detected
2 protein-contact clashes 3 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.058 kcal/mol/HA) ✓ Good fit quality (FQ -9.74) ✓ Strong H-bond network (13 bonds) ✗ Moderate strain (14.8 kcal/mol) ✗ Geometry warnings ✗ Protein-contact clashes (8) ✗ Internal clashes (5) ℹ SASA not computed
Score
-27.500
kcal/mol
LE
-1.058
kcal/mol/HA
Fit Quality
-9.74
FQ (Leeson)
HAC
26
heavy atoms
MW
368
Da
LogP
3.48
cLogP
Strain ΔE
14.8 kcal/mol
SASA buried
computing…

Interaction summary

HB 13 HY 22 PI 4 CLASH 3
Final rank2.889Score-27.500
Inter norm-1.200Intra norm0.142
Top1000noExcludedno
Contacts16H-bonds6
Artifact reasongeometry warning; 5 clashes; 8 protein contact clashes; moderate strain Δ 15.8
Residues
ARG14 ASP161 CYS168 GLY205 LEU208 LEU209 LYS178 MET213 NAP301 PHE97 PRO210 SER95 TRP221 TYR174 VAL206 VAL211

Protein summary

258 residues
Protein targetT08Atoms3881
Residues258Chains2
Residue summaryLEU:437; VAL:433; ALA:361; ARG:288; ILE:266; GLU:210; LYS:198; SER:198; ASN:182; THR:154; GLN:153; PHE:140; PRO:140; TYR:126; GLY:112; HIS:103

Receptor context

1 kept / 0 excluded
Receptor context filtering: interactions and SASA are computed against protein atoms plus allowed cofactors/ions. Native ligand-like HETATM partners are excluded from scoring.
Kept context 1 Excluded HETATM 0
Kept cofactors / ions
A:NAP301

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: permissive.
NameTbPTR1_cW_6RX6_ReadyContacts19
PoseOpen native poseHB0
IFP residues
ARG14 ASP161 CYS168 GLY205 LEU208 LEU209 LYS178 MET213 NAP301 PHE171 PHE97 PRO210 PRO99 SER207 SER95 TRP221 TYR174 TYR98 VAL206
Current overlap15Native recall0.79
Jaccard0.75RMSD-
HB strict2Strict recall0.33
HB same residue+role2HB role recall0.40
HB same residue3HB residue recall0.60

HB · H-bonds

Mode: permissive. 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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
367 2.889302566751153 -1.20007 -27.4996 6 16 15 0.79 0.40 - no Current

Molecular metrics

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

Scoring & efficiency

Docking score -27.500kcal/mol
Ligand efficiency (LE) -1.0577kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -9.745
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 26HA

Physicochemical properties

Molecular weight 368.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.48
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)

Strain energy (ΔE) 14.84kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 51.90kcal/mol
Minimised FF energy 37.06kcal/mol

SASA & burial

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