FAIRMol

Z56842317

Pose ID 8526 Compound 3807 Pose 396

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 Z56842317
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
Likely artefact or unreliable pose
Binding strong Geometry medium Native strong SASA done
Strain ΔE
41.2 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.68, Jaccard 0.59, H-bond role recall 0.43
Burial
75%
Hydrophobic fit
87%
Reason: no major geometry red flags detected
1 protein-contact clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-1.031 kcal/mol/HA) ✓ Good fit quality (FQ -9.62) ✓ Strong H-bond network (7 bonds) ✓ Deep burial (75% SASA buried) ✓ Lipophilic contacts well-matched (87%) ✗ Extreme strain energy (41.2 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (15)
Score
-27.841
kcal/mol
LE
-1.031
kcal/mol/HA
Fit Quality
-9.62
FQ (Leeson)
HAC
27
heavy atoms
MW
357
Da
LogP
4.55
cLogP
Strain ΔE
41.2 kcal/mol
SASA buried
75%
Lipo contact
87% BSA apolar/total
SASA unbound
617 Ų
Apolar buried
402 Ų

Interaction summary

HB 7 HY 10 PI 4 CLASH 1
Final rank3.414Score-27.841
Inter norm-1.027Intra norm-0.004
Top1000noExcludedno
Contacts16H-bonds7
Artifact reasongeometry warning; 15 clashes; 2 protein clashes; high strain Δ 41.2
Residues
ALA67 ARG277 ASP332 GLU274 GLY199 GLY201 GLY236 GLY237 GLY276 HIS197 HIS333 LYS69 PRO275 SER200 TYR331 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
Jaccard0.59RMSD-
HB strict3Strict recall0.33
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
370 2.2878071787038357 -1.23706 -31.864 5 20 0 0.00 0.00 - no Open
396 3.4140015678911206 -1.02716 -27.8406 7 16 13 0.68 0.43 - no Current
396 3.868341194239131 -0.956936 -24.067 8 14 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 -27.841kcal/mol
Ligand efficiency (LE) -1.0311kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -9.620
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 27HA

Physicochemical properties

Molecular weight 357.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.55
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 41.21kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 63.82kcal/mol
Minimised FF energy 22.61kcal/mol

SASA & burial

✓ computed
SASA (unbound) 617.2Ų
Total solvent-accessible surface area of free ligand
BSA total 462.3Ų
Buried surface area upon binding
BSA apolar 401.6Ų
Hydrophobic contacts buried
BSA polar 60.7Ų
Polar contacts buried
Fraction buried 74.9%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 86.9%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2624.7Ų
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 1389.1Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)