FAIRMol

Z49573500

Pose ID 8658 Compound 2427 Pose 528

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 Z49573500
PDB1F3T

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
57.7 kcal/mol
Protein clashes
4
Internal clashes
4
Native overlap
contact recall 0.68, Jaccard 0.59, H-bond role recall 0.57
Burial
75%
Hydrophobic fit
73%
Reason: strain 57.7 kcal/mol
strain ΔE 57.7 kcal/mol 4 protein-contact clashes 4 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-1.062 kcal/mol/HA) ✓ Good fit quality (FQ -9.79) ✓ Strong H-bond network (8 bonds) ✓ Deep burial (75% SASA buried) ✓ Lipophilic contacts well-matched (73%) ✗ Extreme strain energy (57.7 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (11)
Score
-27.617
kcal/mol
LE
-1.062
kcal/mol/HA
Fit Quality
-9.79
FQ (Leeson)
HAC
26
heavy atoms
MW
395
Da
LogP
3.59
cLogP
Strain ΔE
57.7 kcal/mol
SASA buried
75%
Lipo contact
73% BSA apolar/total
SASA unbound
600 Ų
Apolar buried
328 Ų

Interaction summary

HB 8 HY 2 PI 2 CLASH 4

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

Final rank5.025Score-27.617
Inter norm-1.128Intra norm0.066
Top1000noExcludedno
Contacts16H-bonds8
Artifact reasongeometry warning; 11 clashes; 3 protein clashes; high strain Δ 57.7
Residues
ALA67 ARG277 ASP332 ASP88 GLU274 GLY199 GLY201 GLY236 GLY237 GLY276 HIS197 HIS333 LYS69 PHE238 SER200 TYR389

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
Jaccard0.59RMSD-
HB strict4Strict recall0.44
HB same residue+role4HB role recall0.57
HB same residue4HB residue recall0.57

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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
523 0.6950321896166909 -0.913291 -20.9064 3 17 0 0.00 0.00 - no Open
533 3.0321175637149014 -0.762895 -21.6355 4 7 0 0.00 0.00 - no Open
528 5.024888781142343 -1.12801 -27.6171 8 16 13 0.68 0.57 - no Current
525 5.165340419024908 -1.12811 -32.1827 13 13 0 0.00 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 -27.617kcal/mol
Ligand efficiency (LE) -1.0622kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -9.786
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 26HA

Physicochemical properties

Molecular weight 394.8Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.59
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)

Strain energy (ΔE) 57.67kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 110.02kcal/mol
Minimised FF energy 52.35kcal/mol

SASA & burial

✓ computed
SASA (unbound) 599.7Ų
Total solvent-accessible surface area of free ligand
BSA total 452.2Ų
Buried surface area upon binding
BSA apolar 328.4Ų
Hydrophobic contacts buried
BSA polar 123.8Ų
Polar contacts buried
Fraction buried 75.4%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 72.6%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2514.0Ų
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 1403.0Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)