FAIRMol

Z27233674

Pose ID 8543 Compound 4055 Pose 413

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 Z27233674
PDB1F3T

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Promising SASA cached
Promising and worth follow-up
Binding strong Geometry medium Native strong SASA done
Strain ΔE
14.4 kcal/mol
Protein clashes
3
Internal clashes
3
Native overlap
contact recall 0.74, Jaccard 0.61, H-bond role recall 0.57
Burial
73%
Hydrophobic fit
68%
Reason: no major geometry red flags detected
3 protein-contact clashes 3 intramolecular clashes
Molecular report
Full metrics ↗
Promising Reasonable quality metrics. Warrants further investigation.
✓ Excellent LE (-0.959 kcal/mol/HA) ✓ Good fit quality (FQ -8.95) ✓ Strong H-bond network (8 bonds) ✓ Deep burial (73% SASA buried) ✓ Lipophilic contacts well-matched (68%) ✗ Moderate strain (14.4 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (9)
Score
-25.898
kcal/mol
LE
-0.959
kcal/mol/HA
Fit Quality
-8.95
FQ (Leeson)
HAC
27
heavy atoms
MW
402
Da
LogP
2.26
cLogP
Strain ΔE
14.4 kcal/mol
SASA buried
73%
Lipo contact
68% BSA apolar/total
SASA unbound
635 Ų
Apolar buried
314 Ų

Interaction summary

HB 8 HY 11 PI 3 CLASH 3
Final rank4.314Score-25.898
Inter norm-1.019Intra norm0.060
Top1000noExcludedno
Contacts18H-bonds8
Artifact reasongeometry warning; 9 clashes; 3 protein clashes
Residues
ALA67 ARG277 ASN327 ASP332 GLU274 GLY199 GLY236 GLY237 GLY276 GLY393 HIS197 LYS69 PHE238 PRO275 SER200 TYR331 TYR389 VAL392

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
Jaccard0.61RMSD-
HB strict5Strict recall0.56
HB same residue+role4HB role recall0.57
HB same residue4HB residue recall0.57

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
413 4.313562737032811 -1.0187 -25.8976 8 18 14 0.74 0.57 - 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 -25.898kcal/mol
Ligand efficiency (LE) -0.9592kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.949
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 27HA

Physicochemical properties

Molecular weight 401.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.26
Lipinski: ≤ 5
Rotatable bonds 3

Conformational strain (MMFF94s)

Strain energy (ΔE) 14.41kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 1.05kcal/mol
Minimised FF energy -13.36kcal/mol

SASA & burial

✓ computed
SASA (unbound) 634.7Ų
Total solvent-accessible surface area of free ligand
BSA total 463.9Ų
Buried surface area upon binding
BSA apolar 313.5Ų
Hydrophobic contacts buried
BSA polar 150.4Ų
Polar contacts buried
Fraction buried 73.1%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 67.6%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2541.5Ų
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 1373.3Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)