FAIRMol

Z25106808

Pose ID 8697 Compound 1528 Pose 567

DB fairmolDocking 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 Z25106808
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 medium Native strong SASA done
Strain ΔE
28.4 kcal/mol
Protein clashes
3
Internal clashes
3
Native overlap
contact recall 0.68, Jaccard 0.52, H-bond role recall 0.43
Burial
87%
Hydrophobic fit
79%
Reason: no major geometry red flags detected
3 protein-contact clashes 3 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.050 kcal/mol/HA) ✓ Good fit quality (FQ -9.27) ✓ Strong H-bond network (6 bonds) ✓ Deep burial (87% SASA buried) ✓ Lipophilic contacts well-matched (79%) ✗ High strain energy (28.4 kcal/mol) ✗ Geometry warnings
Score
-24.155
kcal/mol
LE
-1.050
kcal/mol/HA
Fit Quality
-9.27
FQ (Leeson)
HAC
23
heavy atoms
MW
343
Da
LogP
4.23
cLogP
Strain ΔE
28.4 kcal/mol
SASA buried
87%
Lipo contact
79% BSA apolar/total
SASA unbound
565 Ų
Apolar buried
387 Ų

Interaction summary

HB 6 HY 6 PI 3 CLASH 3

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 rank2.551Score-24.155
Inter norm-1.197Intra norm0.147
Top1000noExcludedno
Contacts19H-bonds6
Artifact reasongeometry warning; 4 clashes; 2 protein clashes; moderate strain Δ 28.4
Residues
ALA111 ALA67 ARG154 ARG277 ASP233 ASP88 GLU274 GLY235 GLY236 GLY237 GLY276 HIS197 LYS69 PHE196 PRO113 SER195 SER200 THR132 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
Jaccard0.52RMSD-
HB strict5Strict recall0.56
HB same residue+role3HB role recall0.43
HB same residue3HB residue recall0.43

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
568 -0.38243515158891495 -1.17091 -26.5491 2 11 0 0.00 0.00 - no Open
567 2.550939125820793 -1.19725 -24.1546 6 19 13 0.68 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 -24.155kcal/mol
Ligand efficiency (LE) -1.0502kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -9.269
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 23HA

Physicochemical properties

Molecular weight 343.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.23
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)

Strain energy (ΔE) 28.37kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 68.43kcal/mol
Minimised FF energy 40.06kcal/mol

SASA & burial

✓ computed
SASA (unbound) 565.0Ų
Total solvent-accessible surface area of free ligand
BSA total 490.5Ų
Buried surface area upon binding
BSA apolar 387.3Ų
Hydrophobic contacts buried
BSA polar 103.2Ų
Polar contacts buried
Fraction buried 86.8%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 79.0%
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 1366.9Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)