FAIRMol

Z46078134

Pose ID 9412 Compound 3201 Pose 604

DB fairmolDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T14
T. brucei ODC (G418 binding site) T. brucei G418 binding site
Ligand Z46078134
PDB1NJJ

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 high Native mixed SASA done
Strain ΔE
23.6 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 0.47, Jaccard 0.37, H-bond role recall 0.00
Burial
61%
Hydrophobic fit
81%
Reason: no major geometry red flags detected
2 protein-contact clashes 70% of hydrophobic surface is solvent-exposed (16/23 atoms). Large non-polar area without protein contacts incurs a desolvation penalty and will reduce binding affinity. Consider truncating or replacing the exposed fragment.
EcoTox / ADMET In-silico prediction only
Fish LC₅₀
Cat. 1 — Very toxic (≤1 mg/L)
Daphnia EC₅₀
Cat. 1 — Very toxic (≤1 mg/L)
Algae IC₅₀
Cat. 1 — Very toxic (≤1 mg/L)
Bioaccum.
B — Bioaccumulative (BCF>2000)
Persistent
Yes
ADMET alerts (in-silico)
hERG Low Ames Clear DILI Risk
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.862 kcal/mol/HA) ✓ Good fit quality (FQ -8.23) ✓ Good H-bonds (3 bonds) ✓ Good burial (61% SASA buried) ✓ Lipophilic contacts well-matched (81%) ✗ High strain energy (23.6 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (14)
Score
-25.010
kcal/mol
LE
-0.862
kcal/mol/HA
Fit Quality
-8.23
FQ (Leeson)
HAC
29
heavy atoms
MW
417
Da
LogP
6.21
cLogP
Final rank
3.7399
rank score
Inter norm
-0.896
normalised
Contacts
11
H-bonds 4
Strain ΔE
23.6 kcal/mol
SASA buried
61%
Lipo contact
81% BSA apolar/total
SASA unbound
665 Ų
Apolar buried
331 Ų

Interaction summary

HBD 1 HBA 2 HY 3 PI 0 CLASH 2

HBD/HBA · H-bonds (geometric)

HBD = ligand donates H · HBA = ligand accepts H · ~ = weak (≥110°). Mode: strict. Residues: 2.

PI · π–π interactions

No pi · π–π interactions detected for this pose.

HY · Hydrophobic contacts

CLASH · Clashes

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name1NJJContacts15
PoseOpen native poseHB0
IFP residues
ARG22 ARG242 ARG337 ARG342 ASP243 ASP385 GLN341 GLU384 LEU25 LEU339 LEU382 PRO340 PRO344 SER282 THR241
Current overlap7Native recall0.47
Jaccard0.37RMSD-
HB strict0Strict recall0.00
HB same residue+role0HB role recall0.00
HB same residue1HB residue recall0.20

Protein summary

398 residues
Protein targetT14Atoms6140
Residues398Chains1
Residue summaryVAL:592; LEU:513; LYS:484; ARG:432; PHE:420; ILE:418; ASP:349; THR:322; TYR:315; PRO:308; GLU:301; ALA:290; SER:253; GLY:217; ASN:210; GLN:170

Receptor context

1 kept / 0 excluded
Receptor context filtering: interactions and SASA are computed against protein atoms plus allowed cofactors/ions. Native ligand-like HETATM partners are excluded from scoring.
Kept context 1 Excluded HETATM 0
Kept cofactors / ions
A:ORX602

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
619 1.0357649891295575 -0.712271 -20.5399 2 9 0 0.00 0.00 - no Open
598 1.1609293363911366 -0.916148 -28.6471 4 14 0 0.00 0.00 - no Open
613 1.3510130234537063 -1.24287 -36.6547 2 22 0 0.00 0.00 - no Open
604 3.739881015500972 -0.895706 -25.0102 4 11 7 0.47 0.00 - 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 -25.010kcal/mol
Ligand efficiency (LE) -0.8624kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.232
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 29HA

Physicochemical properties

Molecular weight 416.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 6.21
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)

Strain energy (ΔE) 23.60kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 96.26kcal/mol
Minimised FF energy 72.66kcal/mol

SASA & burial

✓ computed
SASA (unbound) 665.5Ų
Total solvent-accessible surface area of free ligand
BSA total 408.8Ų
Buried surface area upon binding
BSA apolar 330.9Ų
Hydrophobic contacts buried
BSA polar 77.9Ų
Polar contacts buried
Fraction buried 61.4%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 80.9%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2463.3Ų
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 3349.0Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 1427.7Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)