FAIRMol

OHD_ACDS_74

Pose ID 9483 Compound 2566 Pose 675

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 OHD_ACDS_74
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 mixed SASA done
Strain ΔE
23.8 kcal/mol
Protein clashes
4
Internal clashes
4
Native overlap
contact recall 0.47, Jaccard 0.33, H-bond role recall 0.20
Burial
69%
Hydrophobic fit
82%
Reason: no major geometry red flags detected
4 protein-contact clashes 4 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.656 kcal/mol/HA) ✓ Good fit quality (FQ -6.39) ✓ Strong H-bond network (10 bonds) ✓ Deep burial (69% SASA buried) ✓ Lipophilic contacts well-matched (82%) ✗ High strain energy (23.8 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (10)
Score
-20.332
kcal/mol
LE
-0.656
kcal/mol/HA
Fit Quality
-6.39
FQ (Leeson)
HAC
31
heavy atoms
MW
419
Da
LogP
2.68
cLogP
Strain ΔE
23.8 kcal/mol
SASA buried
69%
Lipo contact
82% BSA apolar/total
SASA unbound
725 Ų
Apolar buried
409 Ų

Interaction summary

HB 10 HY 11 PI 0 CLASH 4

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 rank2.750Score-20.332
Inter norm-0.729Intra norm0.073
Top1000noExcludedno
Contacts13H-bonds10
Artifact reasongeometry warning; 10 clashes; 1 protein clash; moderate strain Δ 23.8
Residues
ARG337 ASP243 ASP385 GLU384 LEU339 LEU350 MET386 PHE383 PRO344 THR241 TYR370 VAL335 VAL336

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
Jaccard0.33RMSD-
HB strict0Strict recall0.00
HB same residue+role1HB role recall0.20
HB same residue1HB residue recall0.20

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
673 1.6989726977778585 -0.764307 -12.9753 4 18 0 0.00 0.00 - no Open
675 2.749700305056507 -0.729125 -20.3317 10 13 7 0.47 0.20 - no Current
674 3.402311101076146 -1.04454 -30.0725 8 13 0 0.00 0.00 - no Open
676 3.593494601997544 -0.76719 -19.4458 7 17 0 0.00 0.00 - no Open
674 3.6448073627654147 -0.95658 -26.1379 13 15 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 -20.332kcal/mol
Ligand efficiency (LE) -0.6559kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -6.390
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 31HA

Physicochemical properties

Molecular weight 419.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.68
Lipinski: ≤ 5
Rotatable bonds 8

Conformational strain (MMFF94s)

Strain energy (ΔE) 23.77kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 61.08kcal/mol
Minimised FF energy 37.30kcal/mol

SASA & burial

✓ computed
SASA (unbound) 725.0Ų
Total solvent-accessible surface area of free ligand
BSA total 500.4Ų
Buried surface area upon binding
BSA apolar 408.9Ų
Hydrophobic contacts buried
BSA polar 91.4Ų
Polar contacts buried
Fraction buried 69.0%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 81.7%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2499.1Ų
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 1420.8Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)