FAIRMol

KB_HAT_186

Pose ID 8211 Compound 19 Pose 81

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T13
T. brucei ODC (Active site) T. brucei Active site
Ligand KB_HAT_186
PDB1F3T

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Weak SASA cached
Weak or marginal quality
Binding strong Geometry high Native strong SASA done
Strain ΔE
25.5 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.68, Jaccard 0.57, H-bond role recall 0.29
Burial
76%
Hydrophobic fit
88%
Reason: no major geometry red flags detected
1 protein-contact clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.000 kcal/mol/HA) ✓ Good fit quality (FQ -8.96) ✓ Good H-bonds (5 bonds) ✓ Deep burial (76% SASA buried) ✓ Lipophilic contacts well-matched (88%) ✗ High strain energy (25.5 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (6)
Score
-23.994
kcal/mol
LE
-1.000
kcal/mol/HA
Fit Quality
-8.96
FQ (Leeson)
HAC
24
heavy atoms
MW
473
Da
LogP
3.08
cLogP
Strain ΔE
25.5 kcal/mol
SASA buried
76%
Lipo contact
88% BSA apolar/total
SASA unbound
583 Ų
Apolar buried
389 Ų

Interaction summary

HB 5 HY 2 PI 2 CLASH 1
Final rank2.426Score-23.994
Inter norm-1.175Intra norm0.175
Top1000noExcludedno
Contacts17H-bonds5
Artifact reasongeometry warning; 6 clashes; 2 protein clashes; moderate strain Δ 25.5
Residues
ALA67 ARG154 ARG277 ASP88 GLU274 GLY199 GLY201 GLY235 GLY236 GLY237 GLY276 HIS197 LYS69 PHE196 PRO275 SER200 TYR389

Protein summary

411 residues
Protein targetT13Atoms6340
Residues411Chains1
Residue summaryVAL:624; LEU:551; LYS:506; ARG:480; PHE:460; ILE:418; ASP:348; GLU:332; THR:322; TYR:315; PRO:308; ALA:290; SER:264; GLY:224; ASN:210; GLN:170

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name1F3TContacts19
PoseOpen native poseHB0
IFP residues
ALA111 ALA67 ARG154 ARG277 ASP332 ASP88 CYS70 GLU274 GLY236 GLY237 GLY276 HIS197 LYS69 PHE238 PRO275 SER200 TYR278 TYR331 TYR389
Current overlap13Native recall0.68
Jaccard0.57RMSD-
HB strict1Strict recall0.11
HB same residue+role2HB role recall0.29
HB same residue3HB residue recall0.43

HB · H-bonds

Mode: strict. 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
110 0.05545004169084947 -1.13326 -22.6829 2 18 0 0.00 0.00 - no Open
102 0.21457653819178174 -1.11276 -24.3289 4 18 0 0.00 0.00 - no Open
144 0.3618179180534178 -1.15872 -23.2936 3 16 0 0.00 0.00 - no Open
147 1.0993844137313031 -0.962226 -18.037 8 14 0 0.00 0.00 - no Open
133 1.3099080697784058 -1.11735 -20.8724 2 18 0 0.00 0.00 - no Open
81 2.4262362828667863 -1.17453 -23.9938 5 17 13 0.68 0.29 - 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 -23.994kcal/mol
Ligand efficiency (LE) -0.9997kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.960
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 24HA

Physicochemical properties

Molecular weight 473.2Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.08
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 25.50kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -83.65kcal/mol
Minimised FF energy -109.15kcal/mol

SASA & burial

✓ computed
SASA (unbound) 583.3Ų
Total solvent-accessible surface area of free ligand
BSA total 442.2Ų
Buried surface area upon binding
BSA apolar 389.1Ų
Hydrophobic contacts buried
BSA polar 53.1Ų
Polar contacts buried
Fraction buried 75.8%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 88.0%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2527.1Ų
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 3461.2Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 1408.5Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)