FAIRMol

OHD_MAC_61

Pose ID 9171 Compound 1302 Pose 363

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_MAC_61
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 high Native strong SASA done
Strain ΔE
24.5 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 0.60, Jaccard 0.39, H-bond role recall 0.60
Burial
80%
Hydrophobic fit
79%
Reason: no major geometry red flags detected
2 protein-contact clashes 45% of hydrophobic surface appears solvent-exposed (9/20 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.687 kcal/mol/HA) ✓ Good fit quality (FQ -6.88) ✓ Strong H-bond network (8 bonds) ✓ Deep burial (80% SASA buried) ✓ Lipophilic contacts well-matched (79%) ✗ High strain energy (24.5 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (15)
Score
-23.366
kcal/mol
LE
-0.687
kcal/mol/HA
Fit Quality
-6.88
FQ (Leeson)
HAC
34
heavy atoms
MW
473
Da
LogP
3.62
cLogP
Strain ΔE
24.5 kcal/mol
SASA buried
80%
Lipo contact
79% BSA apolar/total
SASA unbound
705 Ų
Apolar buried
451 Ų

Interaction summary

HB 8 HY 23 PI 0 CLASH 2 ⚠ Exposure 45%
⚠️Partial hydrophobic solvent exposure
45% of hydrophobic surface appears solvent-exposed (9/20 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
Non-polar atoms 20 Buried (contacted) 11 Exposed 9 LogP 3.62 H-bonds 8
Exposed fragments: phenyl (6/6 atoms exposed)phenyl (2/6 atoms exposed)aliphatic chain/group (1 atom exposed)
Final rank5.221Score-23.366
Inter norm-0.655Intra norm-0.033
Top1000noExcludedno
Contacts17H-bonds8
Artifact reasongeometry warning; 15 clashes; 3 protein clashes; moderate strain Δ 24.5
Residues
ARG22 ARG342 CYS26 GLN341 GLU343 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
Jaccard0.39RMSD-
HB strict3Strict recall0.50
HB same residue+role3HB role recall0.60
HB same residue3HB residue recall0.60

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
402 2.532635380183973 -0.78869 -18.0267 8 20 0 0.00 0.00 - no Open
354 3.6788985161070658 -0.702287 -14.6877 9 13 0 0.00 0.00 - no Open
374 3.7377674173523148 -0.920885 -26.0731 14 18 0 0.00 0.00 - no Open
386 4.7673793828367055 -0.60447 -2.74681 7 13 0 0.00 0.00 - no Open
418 4.819316264563223 -0.688052 -11.396 8 20 0 0.00 0.00 - no Open
363 5.2213655928055065 -0.654564 -23.366 8 17 9 0.60 0.60 - no Current

Molecular metrics

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

Scoring & efficiency

Docking score -23.366kcal/mol
Ligand efficiency (LE) -0.6872kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -6.876
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 34HA

Physicochemical properties

Molecular weight 473.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.62
Lipinski: ≤ 5
Rotatable bonds 8

Conformational strain (MMFF94s)

Strain energy (ΔE) 24.54kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 98.37kcal/mol
Minimised FF energy 73.83kcal/mol

SASA & burial

✓ computed
SASA (unbound) 705.4Ų
Total solvent-accessible surface area of free ligand
BSA total 567.6Ų
Buried surface area upon binding
BSA apolar 450.9Ų
Hydrophobic contacts buried
BSA polar 116.7Ų
Polar contacts buried
Fraction buried 80.5%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 79.4%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2502.0Ų
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 1390.9Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)