FAIRMol

Z27728832

Pose ID 8710 Compound 315 Pose 580

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 Z27728832
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
54.8 kcal/mol
Protein clashes
4
Internal clashes
4
Native overlap
contact recall 0.74, Jaccard 0.67, H-bond role recall 0.43
Burial
82%
Hydrophobic fit
82%
Reason: strain 54.8 kcal/mol
strain ΔE 54.8 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 (-1.204 kcal/mol/HA) ✓ Good fit quality (FQ -10.79) ✓ Strong H-bond network (11 bonds) ✓ Deep burial (82% SASA buried) ✓ Lipophilic contacts well-matched (82%) ✗ Extreme strain energy (54.8 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (15)
Score
-28.904
kcal/mol
LE
-1.204
kcal/mol/HA
Fit Quality
-10.79
FQ (Leeson)
HAC
24
heavy atoms
MW
317
Da
LogP
2.82
cLogP
Strain ΔE
54.8 kcal/mol
SASA buried
82%
Lipo contact
82% BSA apolar/total
SASA unbound
569 Ų
Apolar buried
380 Ų

Interaction summary

HB 11 HY 5 PI 2 CLASH 4
Final rank5.409Score-28.904
Inter norm-1.242Intra norm0.038
Top1000noExcludedno
Contacts16H-bonds11
Artifact reasongeometry warning; 15 clashes; 3 protein clashes; high strain Δ 54.8
Residues
ALA111 ALA67 ARG154 ARG277 ASP332 ASP88 GLU274 GLY199 GLY236 GLY237 GLY276 HIS197 HIS333 LYS69 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 overlap14Native recall0.74
Jaccard0.67RMSD-
HB strict5Strict recall0.56
HB same residue+role3HB role recall0.43
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
582 1.9518598021942188 -1.0814 -27.187 4 14 0 0.00 0.00 - no Open
123 1.9857620477941367 -1.10616 -28.3922 3 14 0 0.00 0.00 - no Open
576 2.0070390385209227 -1.10387 -28.3896 3 14 0 0.00 0.00 - no Open
576 2.3570638138229936 -1.14016 -29.2017 2 12 0 0.00 0.00 - no Open
57 2.4827745558173997 -1.0406 -25.9647 2 12 0 0.00 0.00 - no Open
65 4.347904120163046 -1.18142 -28.2455 9 17 15 0.79 0.29 - no Open
580 5.409205988063455 -1.24218 -28.9036 11 16 14 0.74 0.43 - 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 -28.904kcal/mol
Ligand efficiency (LE) -1.2043kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -10.793
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 24HA

Physicochemical properties

Molecular weight 317.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.82
Lipinski: ≤ 5
Rotatable bonds 3

Conformational strain (MMFF94s)

Strain energy (ΔE) 54.80kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 159.37kcal/mol
Minimised FF energy 104.58kcal/mol

SASA & burial

✓ computed
SASA (unbound) 569.2Ų
Total solvent-accessible surface area of free ligand
BSA total 464.4Ų
Buried surface area upon binding
BSA apolar 380.2Ų
Hydrophobic contacts buried
BSA polar 84.2Ų
Polar contacts buried
Fraction buried 81.6%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 81.9%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2541.9Ų
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 1399.9Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)