FAIRMol

Z68347496

Pose ID 9364 Compound 1425 Pose 556

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 Z68347496
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 medium Native strong SASA done
Strain ΔE
38.7 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 0.60, Jaccard 0.45, H-bond role recall 0.40
Burial
73%
Hydrophobic fit
79%
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 (-0.909 kcal/mol/HA) ✓ Good fit quality (FQ -8.77) ✓ Strong H-bond network (9 bonds) ✓ Deep burial (73% SASA buried) ✓ Lipophilic contacts well-matched (79%) ✗ Very high strain energy (38.7 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (11)
Score
-27.284
kcal/mol
LE
-0.909
kcal/mol/HA
Fit Quality
-8.77
FQ (Leeson)
HAC
30
heavy atoms
MW
425
Da
LogP
3.15
cLogP
Strain ΔE
38.7 kcal/mol
SASA buried
73%
Lipo contact
79% BSA apolar/total
SASA unbound
717 Ų
Apolar buried
412 Ų

Interaction summary

HB 9 HY 15 PI 0 CLASH 2

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

Final rank4.762Score-27.284
Inter norm-0.850Intra norm-0.059
Top1000noExcludedno
Contacts14H-bonds9
Artifact reasongeometry warning; 11 clashes; 3 protein clashes; high strain Δ 38.4
Residues
ARG22 ARG342 ASN20 CYS26 GLN341 GLU343 GLU384 LEU25 LEU339 LEU382 PRO340 PRO344 THR21 THR285

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
Jaccard0.45RMSD-
HB strict2Strict recall0.33
HB same residue+role2HB role recall0.40
HB same residue2HB residue recall0.40

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
551 0.7863990384040856 -1.0689 -34.3256 10 13 0 0.00 0.00 - no Open
540 2.01639219542086 -0.846568 -22.4366 9 19 0 0.00 0.00 - no Open
597 2.6257543792701297 -0.791858 -27.3268 6 16 0 0.00 0.00 - no Open
552 2.841916052752017 -1.32572 -41.1595 11 19 0 0.00 0.00 - no Open
543 2.925843509730519 -1.38782 -43.7879 9 19 0 0.00 0.00 - no Open
577 3.073966426611157 -0.901 -28.5624 12 17 0 0.00 0.00 - no Open
554 3.391884301661245 -0.86851 -30.1896 8 19 0 0.00 0.00 - no Open
566 3.7897586704157433 -0.890481 -21.4571 10 12 0 0.00 0.00 - no Open
571 4.379321273351954 -0.866284 -27.1145 5 17 0 0.00 0.00 - no Open
577 4.446355622158319 -0.795751 -23.7085 6 19 0 0.00 0.00 - no Open
556 4.761776816752896 -0.850102 -27.284 9 14 9 0.60 0.40 - no Current
566 4.827703850716491 -1.36608 -35.1918 12 19 0 0.00 0.00 - no Open
581 5.166757877468878 -0.708586 -24.5919 8 14 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 -27.284kcal/mol
Ligand efficiency (LE) -0.9095kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.773
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 30HA

Physicochemical properties

Molecular weight 425.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.15
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 38.65kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 71.17kcal/mol
Minimised FF energy 32.52kcal/mol

SASA & burial

✓ computed
SASA (unbound) 716.8Ų
Total solvent-accessible surface area of free ligand
BSA total 523.3Ų
Buried surface area upon binding
BSA apolar 412.3Ų
Hydrophobic contacts buried
BSA polar 111.1Ų
Polar contacts buried
Fraction buried 73.0%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 78.8%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2529.2Ų
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 1386.3Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)