FAIRMol

Z27434474

Pose ID 9435 Compound 4138 Pose 627

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 Z27434474
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
Promising but geometrically suspicious
Binding strong Geometry low Native strong SASA done
Strain ΔE
46.0 kcal/mol
Protein clashes
4
Internal clashes
4
Native overlap
contact recall 0.60, Jaccard 0.36, H-bond role recall 0.20
Burial
85%
Hydrophobic fit
84%
Reason: strain 46.0 kcal/mol
strain ΔE 46.0 kcal/mol 4 protein-contact clashes 4 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.605 kcal/mol/HA) ✓ Good fit quality (FQ -5.71) ✓ Good H-bonds (4 bonds) ✓ Deep burial (85% SASA buried) ✓ Lipophilic contacts well-matched (84%) ✗ Extreme strain energy (46.0 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (8)
Score
-16.934
kcal/mol
LE
-0.605
kcal/mol/HA
Fit Quality
-5.71
FQ (Leeson)
HAC
28
heavy atoms
MW
438
Da
LogP
4.12
cLogP
Strain ΔE
46.0 kcal/mol
SASA buried
85%
Lipo contact
84% BSA apolar/total
SASA unbound
697 Ų
Apolar buried
500 Ų

Interaction summary

HB 4 HY 24 PI 0 CLASH 4
Final rank2.389Score-16.934
Inter norm-0.892Intra norm0.287
Top1000noExcludedno
Contacts19H-bonds4
Artifact reasongeometry warning; 8 clashes; 1 protein clash; high strain Δ 46.0
Residues
ARG22 ARG342 ASP23 CYS26 GLN341 GLU343 GLU348 GLU384 LEU25 LEU339 LEU350 LEU372 LEU382 PRO340 PRO344 PRO373 THR21 THR285 TYR371

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
Jaccard0.36RMSD-
HB strict1Strict recall0.17
HB same residue+role1HB role recall0.20
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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
627 2.3885122345218113 -0.891918 -16.9345 4 19 9 0.60 0.20 - no Current
625 3.359628000722528 -0.879344 -23.7454 4 13 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 -16.934kcal/mol
Ligand efficiency (LE) -0.6048kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -5.710
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 28HA

Physicochemical properties

Molecular weight 438.3Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.12
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)

Strain energy (ΔE) 45.98kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 15.26kcal/mol
Minimised FF energy -30.71kcal/mol

SASA & burial

✓ computed
SASA (unbound) 697.2Ų
Total solvent-accessible surface area of free ligand
BSA total 594.7Ų
Buried surface area upon binding
BSA apolar 500.0Ų
Hydrophobic contacts buried
BSA polar 94.7Ų
Polar contacts buried
Fraction buried 85.3%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 84.1%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2543.7Ų
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 1378.9Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)