FAIRMol

Z44877509

Pose ID 9379 Compound 4191 Pose 571

DB SELECTIONDocking 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 Z44877509
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
25.9 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 0.47, Jaccard 0.37, H-bond role recall 0.40
Burial
65%
Hydrophobic fit
73%
Reason: no major geometry red flags detected
2 protein-contact clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.894 kcal/mol/HA) ✓ Good fit quality (FQ -7.89) ✓ Strong H-bond network (8 bonds) ✓ Deep burial (65% SASA buried) ✓ Lipophilic contacts well-matched (73%) ✗ High strain energy (25.9 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (11)
Score
-20.553
kcal/mol
LE
-0.894
kcal/mol/HA
Fit Quality
-7.89
FQ (Leeson)
HAC
23
heavy atoms
MW
326
Da
LogP
2.45
cLogP
Strain ΔE
25.9 kcal/mol
SASA buried
65%
Lipo contact
73% BSA apolar/total
SASA unbound
534 Ų
Apolar buried
253 Ų

Interaction summary

HB 8 HY 7 PI 0 CLASH 2
Final rank3.262Score-20.553
Inter norm-1.016Intra norm0.122
Top1000noExcludedno
Contacts11H-bonds8
Artifact reasongeometry warning; 11 clashes; 2 protein clashes; moderate strain Δ 25.9
Residues
ARG337 ASP243 ASP385 GLU384 LEU339 LEU382 PHE383 THR241 TYR370 VAL335 VAL336

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

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 strict2Strict recall0.33
HB same residue+role2HB role recall0.40
HB same residue3HB residue recall0.60

HB · H-bonds

Mode: strict. Count shows atom-level H-bonds; unique residues in summary: 0.

PI · π–π interactions

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

HY · Hydrophobic contacts

CLASH · Clashes

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
571 3.2622059814046787 -1.01589 -20.5535 8 11 7 0.47 0.40 - 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 -20.553kcal/mol
Ligand efficiency (LE) -0.8936kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.887
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 23HA

Physicochemical properties

Molecular weight 326.3Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.45
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 25.93kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 47.35kcal/mol
Minimised FF energy 21.42kcal/mol

SASA & burial

✓ computed
SASA (unbound) 533.6Ų
Total solvent-accessible surface area of free ligand
BSA total 347.8Ų
Buried surface area upon binding
BSA apolar 252.6Ų
Hydrophobic contacts buried
BSA polar 95.2Ų
Polar contacts buried
Fraction buried 65.2%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 72.6%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2295.0Ų
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 3349.0Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 1485.8Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)