FAIRMol

KB_HAT_107

Pose ID 10249 Compound 3577 Pose 84

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T16
T. brucei TR (Dimer interface (site 2)) T. brucei Dimer interface (site 2)
Ligand KB_HAT_107
PDB6RB5

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Reject SASA cached
Promising but geometrically suspicious
Binding strong Geometry low Native strong SASA done
Strain ΔE
44.6 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.58, Jaccard 0.35
Burial
80%
Hydrophobic fit
76%
Reason: strain 44.6 kcal/mol
strain ΔE 44.6 kcal/mol 1 protein-contact clashes
EcoTox / ADMET GDS: SAFE UL GreenDrugScore ML model
ECOscore
0.768
aquatic tox · BCF · biodeg.
GDS₃ (3-block)
0.370
ADMET + ECO + DL
ADMETscore (GDS)
0.187
absorption · distr. · metab.
DLscore
0.456
drug-likeness
P(SAFE)
0.77
GDS classification
ADMET alerts (in-silico)
hERG Medium Ames Clear DILI Low
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.686 kcal/mol/HA) ✓ Good fit quality (FQ -6.55) ✓ Good H-bonds (5 bonds) ✓ Deep burial (80% SASA buried) ✓ Lipophilic contacts well-matched (76%) ✗ Extreme strain energy (44.6 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (9)
Score
-19.904
kcal/mol
LE
-0.686
kcal/mol/HA
Fit Quality
-6.55
FQ (Leeson)
HAC
29
heavy atoms
MW
487
Da
LogP
2.06
cLogP
Final rank
2.4814
rank score
Inter norm
-0.903
normalised
Contacts
15
H-bonds 6
Strain ΔE
44.6 kcal/mol
SASA buried
80%
Lipo contact
76% BSA apolar/total
SASA unbound
661 Ų
Apolar buried
402 Ų

Interaction summary

HBD 3 HBA 2 HY 8 PI 0 CLASH 1

HBD/HBA · H-bonds (geometric)

HBD = ligand donates H · HBA = ligand accepts H · ~ = weak (≥110°). Mode: strict. Residues: 3.

PI · π–π interactions

No pi · π–π interactions detected for this pose.

HY · Hydrophobic contacts

CLASH · Clashes

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name6RB5Contacts12
PoseOpen native poseHB0
IFP residues
ALA90 ARG74 GLY85 LEU73 LYS89 MET70 PHE83 PRO212 PRO213 SER86 SER87 VAL88
Current overlap7Native recall0.58
Jaccard0.35RMSD-
HB strict0Strict recall-
HB same residue+role0HB role recall-
HB same residue0HB residue recall-

Protein summary

493 residues
Protein targetT16Atoms7551
Residues493Chains1
Residue summaryVAL:768; LYS:704; LEU:703; ILE:532; GLU:450; THR:434; ARG:408; PHE:400; ALA:390; ASN:350; PRO:350; GLY:336; SER:319; TYR:294; ASP:276; MET:221

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:FAD501

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
84 2.481406730640103 -0.903101 -19.9045 6 15 7 0.58 - - no Current
76 4.041550900907241 -0.949604 -24.3592 13 20 0 0.00 - - no Open
75 4.537823043033988 -1.04958 -30.5978 11 21 0 0.00 - - no Open
50 5.2140236391994295 -0.844383 -25.0563 11 16 0 0.00 - - no Open

Molecular metrics

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

Scoring & efficiency

Docking score -19.904kcal/mol
Ligand efficiency (LE) -0.6864kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -6.552
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 29HA

Physicochemical properties

Molecular weight 487.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.06
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 44.60kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -92.59kcal/mol
Minimised FF energy -137.19kcal/mol

SASA & burial

✓ computed
SASA (unbound) 660.7Ų
Total solvent-accessible surface area of free ligand
BSA total 526.2Ų
Buried surface area upon binding
BSA apolar 402.1Ų
Hydrophobic contacts buried
BSA polar 124.2Ų
Polar contacts buried
Fraction buried 79.6%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 76.4%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -3119.3Ų
SASA_nonpolar(complex) − SASA_nonpolar(receptor) − SASA_nonpolar(ligand free). Negative = non-polar surface buried upon binding. Requires full polarity-decomposed SASA computation.
Receptor non-polar SASA 4076.6Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 1475.0Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)