FAIRMol

OHD_TC2_68

Pose ID 8927 Compound 2290 Pose 119

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_TC2_68
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 mixed SASA done
Strain ΔE
20.0 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 0.53, Jaccard 0.38, H-bond role recall 0.40
Burial
71%
Hydrophobic fit
83%
Reason: no major geometry red flags detected
2 protein-contact clashes 47% of hydrophobic surface appears solvent-exposed (9/19 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 (-0.962 kcal/mol/HA) ✓ Good fit quality (FQ -8.97) ✓ Strong H-bond network (7 bonds) ✓ Deep burial (71% SASA buried) ✓ Lipophilic contacts well-matched (83%) ✗ High strain energy (20.0 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (9)
Score
-25.970
kcal/mol
LE
-0.962
kcal/mol/HA
Fit Quality
-8.97
FQ (Leeson)
HAC
27
heavy atoms
MW
387
Da
LogP
3.51
cLogP
Strain ΔE
20.0 kcal/mol
SASA buried
71%
Lipo contact
83% BSA apolar/total
SASA unbound
664 Ų
Apolar buried
391 Ų

Interaction summary

HB 7 HY 4 PI 0 CLASH 2 ⚠ Exposure 47%

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

⚠️Partial hydrophobic solvent exposure
47% of hydrophobic surface appears solvent-exposed (9/19 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
Non-polar atoms 19 Buried (contacted) 10 Exposed 9 LogP 3.51 H-bonds 7
Exposed fragments: phenyl (6/6 atoms exposed)aliphatic chain/group (3 atoms exposed)
Final rank53.498Score-25.970
Inter norm-0.976Intra norm0.014
Top1000noExcludedno
Contacts14H-bonds7
Artifact reasongeometry warning; 9 clashes; 2 protein clashes; moderate strain Δ 20.0
Residues
ARG242 ARG337 ASP243 ASP385 GLU384 GLY240 LEU339 LYS51 MET386 PHE383 SER282 THR241 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 overlap8Native recall0.53
Jaccard0.38RMSD-
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
84 0.8978347699667351 -0.856296 -18.6325 2 20 0 0.00 0.00 - no Open
148 1.357888497962855 -1.1807 -25.8924 5 19 0 0.00 0.00 - no Open
17 1.7243640298374872 -0.868266 -19.382 2 20 0 0.00 0.00 - no Open
83 1.7561042414858175 -0.860322 -19.3331 2 20 0 0.00 0.00 - no Open
172 2.1483737556840357 -0.787852 -18.4121 4 13 0 0.00 0.00 - no Open
179 3.3422147983594046 -0.973711 -26.1073 7 13 8 0.53 0.40 - no Open
123 3.34487200823826 -0.964684 -25.8709 8 13 8 0.53 0.40 - no Open
14 3.421092231944404 -0.988207 -26.0904 7 14 8 0.53 0.40 - no Open
68 3.5108182235106415 -0.943196 -24.5073 8 10 0 0.00 0.00 - no Open
126 3.999031944814804 -1.11537 -28.1146 6 14 0 0.00 0.00 - no Open
6 4.234950268980408 -0.850058 -20.7434 5 13 0 0.00 0.00 - no Open
162 51.82397871238766 -0.869886 -18.9182 2 20 0 0.00 0.00 - no Open
119 53.49803393991051 -0.976064 -25.9699 7 14 8 0.53 0.40 - 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 -25.970kcal/mol
Ligand efficiency (LE) -0.9618kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.974
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 27HA

Physicochemical properties

Molecular weight 387.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.51
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 20.03kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 30.36kcal/mol
Minimised FF energy 10.33kcal/mol

SASA & burial

✓ computed
SASA (unbound) 664.2Ų
Total solvent-accessible surface area of free ligand
BSA total 471.3Ų
Buried surface area upon binding
BSA apolar 390.9Ų
Hydrophobic contacts buried
BSA polar 80.4Ų
Polar contacts buried
Fraction buried 71.0%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 82.9%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2508.5Ų
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 1386.5Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)