FAIRMol

Z44305861

Pose ID 9244 Compound 4125 Pose 436

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 Z44305861
PDB1NJJ

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 but geometrically suspicious
Binding strong Geometry low Native mixed SASA done
Strain ΔE
11.6 kcal/mol
Protein clashes
0
Internal clashes
7
Native overlap
contact recall 0.47, Jaccard 0.37, H-bond role recall 0.00
Burial
82%
Hydrophobic fit
83%
Reason: 7 internal clashes
7 intramolecular clashes
Molecular report
Full metrics ↗
Promising Reasonable quality metrics. Warrants further investigation.
✓ Excellent LE (-1.157 kcal/mol/HA) ✓ Good fit quality (FQ -9.27) ✓ Good H-bonds (4 bonds) ✓ Deep burial (82% SASA buried) ✓ Lipophilic contacts well-matched (83%) ✗ Moderate strain (11.6 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (7)
Score
-20.822
kcal/mol
LE
-1.157
kcal/mol/HA
Fit Quality
-9.27
FQ (Leeson)
HAC
18
heavy atoms
MW
237
Da
LogP
2.88
cLogP
Strain ΔE
11.6 kcal/mol
SASA buried
82%
Lipo contact
83% BSA apolar/total
SASA unbound
448 Ų
Apolar buried
303 Ų

Interaction summary

HB 4 HY 5 PI 0 CLASH 0
Final rank2.144Score-20.822
Inter norm-1.238Intra norm0.081
Top1000noExcludedno
Contacts11H-bonds4
Artifact reasongeometry warning; 7 clashes; 2 protein clashes
Residues
ARG337 ASP243 ASP385 GLU384 LEU339 LEU382 PHE383 PRO338 THR241 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 strict0Strict recall0.00
HB same residue+role0HB role recall0.00
HB same residue1HB residue recall0.20

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

No clash · clashes detected for this pose.

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
436 2.144216149381899 -1.23761 -20.8224 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 -20.822kcal/mol
Ligand efficiency (LE) -1.1568kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -9.271
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 18HA

Physicochemical properties

Molecular weight 237.3Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.88
Lipinski: ≤ 5
Rotatable bonds 2

Conformational strain (MMFF94s)

Strain energy (ΔE) 11.60kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 43.17kcal/mol
Minimised FF energy 31.57kcal/mol

SASA & burial

✓ computed
SASA (unbound) 448.2Ų
Total solvent-accessible surface area of free ligand
BSA total 365.1Ų
Buried surface area upon binding
BSA apolar 303.1Ų
Hydrophobic contacts buried
BSA polar 62.0Ų
Polar contacts buried
Fraction buried 81.5%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 83.0%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2346.9Ų
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 1388.2Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)