FAIRMol

OHD_MAC_10

Pose ID 9154 Compound 1921 Pose 346

DB fairmolDocking 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_10
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
29.5 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.47, Jaccard 0.35, H-bond role recall 0.40
Burial
68%
Hydrophobic fit
82%
Reason: no major geometry red flags detected
1 protein-contact clashes 100% of hydrophobic surface is solvent-exposed (21/21 atoms). Large non-polar area without protein contacts incurs a desolvation penalty and will reduce binding affinity. Consider truncating or replacing the exposed fragment.
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.655 kcal/mol/HA) ✓ Good fit quality (FQ -6.39) ✓ Good H-bonds (5 bonds) ✓ Deep burial (68% SASA buried) ✓ Lipophilic contacts well-matched (82%) ✗ High strain energy (29.5 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (14)
Score
-20.319
kcal/mol
LE
-0.655
kcal/mol/HA
Fit Quality
-6.39
FQ (Leeson)
HAC
31
heavy atoms
MW
419
Da
LogP
3.12
cLogP
Final rank
3.2284
rank score
Inter norm
-0.706
normalised
Contacts
12
H-bonds 7
Strain ΔE
29.5 kcal/mol
SASA buried
68%
Lipo contact
82% BSA apolar/total
SASA unbound
724 Ų
Apolar buried
403 Ų

Interaction summary

HBD 2 HBA 3 HY 0 PI 0 CLASH 1

HBD/HBA · H-bonds (geometric)

HBD = ligand donates H · HBA = ligand accepts H · ~ = weak (≥110°). Mode: strict. Residues: 4.

PI · π–π interactions

No pi · π–π interactions detected for this pose.

HY · Hydrophobic contacts

No hy · hydrophobic contacts detected for this pose.

CLASH · Clashes

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
Jaccard0.35RMSD-
HB strict2Strict recall0.33
HB same residue+role2HB role recall0.40
HB same residue3HB residue recall0.60

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
298 2.4037722947717417 -1.04645 -23.4168 9 23 0 0.00 0.00 - no Open
357 2.858540627952276 -0.771539 -15.0627 6 15 0 0.00 0.00 - no Open
346 3.2284157304042784 -0.705627 -20.3188 7 12 7 0.47 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 -20.319kcal/mol
Ligand efficiency (LE) -0.6554kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -6.386
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 31HA

Physicochemical properties

Molecular weight 419.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.12
Lipinski: ≤ 5
Rotatable bonds 9

Conformational strain (MMFF94s)

Strain energy (ΔE) 29.48kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 114.63kcal/mol
Minimised FF energy 85.15kcal/mol

SASA & burial

✓ computed
SASA (unbound) 723.5Ų
Total solvent-accessible surface area of free ligand
BSA total 493.7Ų
Buried surface area upon binding
BSA apolar 402.8Ų
Hydrophobic contacts buried
BSA polar 90.9Ų
Polar contacts buried
Fraction buried 68.2%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 81.6%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2485.3Ų
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 1473.0Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)