FAIRMol

Z27867690

Pose ID 9436 Compound 4097 Pose 628

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 Z27867690
PDB1NJJ

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Reject SASA cached
Likely artefact or unreliable pose
Binding strong Geometry medium Native strong SASA done
Strain ΔE
30.9 kcal/mol
Protein clashes
4
Internal clashes
4
Native overlap
contact recall 0.60, Jaccard 0.39, H-bond role recall 0.20
Burial
82%
Hydrophobic fit
75%
Reason: no major geometry red flags detected
4 protein-contact clashes 4 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.965 kcal/mol/HA) ✓ Good fit quality (FQ -9.21) ✓ Strong H-bond network (9 bonds) ✓ Deep burial (82% SASA buried) ✓ Lipophilic contacts well-matched (75%) ✗ Very high strain energy (30.9 kcal/mol) ✗ Geometry warnings ✗ Protein-contact clashes (7) ✗ Internal clashes (9)
Score
-27.970
kcal/mol
LE
-0.965
kcal/mol/HA
Fit Quality
-9.21
FQ (Leeson)
HAC
29
heavy atoms
MW
426
Da
LogP
6.21
cLogP
Strain ΔE
30.9 kcal/mol
SASA buried
82%
Lipo contact
75% BSA apolar/total
SASA unbound
699 Ų
Apolar buried
433 Ų

Interaction summary

HB 9 HY 7 PI 0 CLASH 4
Final rank1.418Score-27.970
Inter norm-0.787Intra norm-0.178
Top1000noExcludedno
Contacts17H-bonds9
Artifact reasongeometry warning; 9 clashes; 7 protein contact clashes; high strain Δ 30.9
Residues
ALA283 ARG22 ARG342 ASN20 ASP385 ASP44 CYS26 GLN341 GLU343 GLU384 LEU25 LEU382 PHE284 PRO340 SER282 THR21 THR285

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 overlap9Native recall0.60
Jaccard0.39RMSD-
HB strict1Strict recall0.17
HB same residue+role1HB role recall0.20
HB same residue2HB residue recall0.40

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
628 1.417504228439008 -0.786957 -27.9704 9 17 9 0.60 0.20 - no Current
658 2.5301629330892315 -1.09114 -26.0977 9 25 0 0.00 0.00 - no Open

Molecular metrics

RDKit SASA burial, strain energy (MMFF94s), ligand efficiency and fit quality for this docking pose.
✓ Metrics available

Scoring & efficiency

Docking score -27.970kcal/mol
Ligand efficiency (LE) -0.9645kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -9.207
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 29HA

Physicochemical properties

Molecular weight 425.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 6.21
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 30.89kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 64.31kcal/mol
Minimised FF energy 33.41kcal/mol

SASA & burial

✓ computed
SASA (unbound) 698.7Ų
Total solvent-accessible surface area of free ligand
BSA total 573.5Ų
Buried surface area upon binding
BSA apolar 432.6Ų
Hydrophobic contacts buried
BSA polar 140.8Ų
Polar contacts buried
Fraction buried 82.1%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 75.4%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2513.5Ų
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 3349.0Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 1372.7Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)