FAIRMol

OHD_TC1_128

Pose ID 8911 Compound 139 Pose 103

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_TC1_128
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
45.9 kcal/mol
Protein clashes
3
Internal clashes
3
Native overlap
contact recall 0.60, Jaccard 0.45, H-bond role recall 0.40
Burial
77%
Hydrophobic fit
88%
Reason: strain 45.9 kcal/mol
strain ΔE 45.9 kcal/mol 3 protein-contact clashes 3 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.640 kcal/mol/HA) ✓ Good fit quality (FQ -6.35) ✓ Good H-bonds (4 bonds) ✓ Deep burial (77% SASA buried) ✓ Lipophilic contacts well-matched (88%) ✗ Extreme strain energy (45.9 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (10)
Score
-21.116
kcal/mol
LE
-0.640
kcal/mol/HA
Fit Quality
-6.35
FQ (Leeson)
HAC
33
heavy atoms
MW
449
Da
LogP
2.81
cLogP
Strain ΔE
45.9 kcal/mol
SASA buried
77%
Lipo contact
88% BSA apolar/total
SASA unbound
768 Ų
Apolar buried
517 Ų

Interaction summary

HB 4 HY 19 PI 0 CLASH 3

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 rank2.734Score-21.116
Inter norm-0.671Intra norm0.031
Top1000noExcludedno
Contacts14H-bonds4
Artifact reasongeometry warning; 10 clashes; 1 protein clash; high strain Δ 45.9
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 strict1Strict recall0.17
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
105 1.1800711166317095 -0.837603 -21.8317 4 17 0 0.00 0.00 - no Open
71 1.6016816228664295 -0.880164 -24.3996 5 17 0 0.00 0.00 - no Open
100 1.9599209122848 -0.906175 -22.1958 4 20 0 0.00 0.00 - no Open
103 2.7335221557955 -0.670651 -21.1159 4 14 9 0.60 0.40 - no Current
79 3.3657131834329697 -0.691133 -11.4298 2 22 0 0.00 0.00 - no Open
77 3.5316736013171544 -0.813527 -23.824 10 20 0 0.00 0.00 - no Open
75 4.0501665220568395 -0.637874 -18.5063 4 13 0 0.00 0.00 - no Open
52 4.47344709048939 -0.842886 -26.0017 9 20 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 -21.116kcal/mol
Ligand efficiency (LE) -0.6399kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -6.349
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 33HA

Physicochemical properties

Molecular weight 448.6Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.81
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 45.88kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -34.39kcal/mol
Minimised FF energy -80.27kcal/mol

SASA & burial

✓ computed
SASA (unbound) 768.2Ų
Total solvent-accessible surface area of free ligand
BSA total 588.9Ų
Buried surface area upon binding
BSA apolar 516.7Ų
Hydrophobic contacts buried
BSA polar 72.2Ų
Polar contacts buried
Fraction buried 76.7%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 87.7%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2654.6Ų
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 1373.2Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)