FAIRMol

OHD_MAC_75

Pose ID 8485 Compound 434 Pose 355

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T13
T. brucei ODC (Active site) T. brucei Active site
Ligand OHD_MAC_75
PDB1F3T

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 strong SASA done
Strain ΔE
38.3 kcal/mol
Protein clashes
3
Internal clashes
3
Native overlap
contact recall 0.79, Jaccard 0.54, H-bond role recall 0.57
Burial
82%
Hydrophobic fit
77%
Reason: no major geometry red flags detected
3 protein-contact clashes 3 intramolecular clashes 40% of hydrophobic surface appears solvent-exposed (8/20 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 (-0.864 kcal/mol/HA) ✓ Good fit quality (FQ -8.33) ✓ Strong H-bond network (11 bonds) ✓ Deep burial (82% SASA buried) ✓ Lipophilic contacts well-matched (77%) ✗ Very high strain energy (38.3 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (14)
Score
-25.913
kcal/mol
LE
-0.864
kcal/mol/HA
Fit Quality
-8.33
FQ (Leeson)
HAC
30
heavy atoms
MW
403
Da
LogP
3.03
cLogP
Strain ΔE
38.3 kcal/mol
SASA buried
82%
Lipo contact
77% BSA apolar/total
SASA unbound
692 Ų
Apolar buried
435 Ų

Interaction summary

HB 11 HY 5 PI 3 CLASH 3 ⚠ Exposure 40%
⚠️Partial hydrophobic solvent exposure
40% of hydrophobic surface appears solvent-exposed (8/20 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
Non-polar atoms 20 Buried (contacted) 12 Exposed 8 LogP 3.03 H-bonds 11
Exposed fragments: phenyl (6/6 atoms exposed)aliphatic chain/group (2 atoms exposed)
Final rank3.300Score-25.913
Inter norm-1.045Intra norm0.181
Top1000noExcludedno
Contacts24H-bonds11
Artifact reasongeometry warning; 14 clashes; 1 protein clash; high strain Δ 38.3
Residues
ALA111 ALA67 ARG154 ARG277 ASN112 ASP332 ASP88 GLU274 GLY199 GLY201 GLY235 GLY236 GLY237 GLY276 HIS197 HIS333 LYS69 PHE196 PRO113 PRO275 SER195 SER200 THR132 TYR389

Protein summary

411 residues
Protein targetT13Atoms6340
Residues411Chains1
Residue summaryVAL:624; LEU:551; LYS:506; ARG:480; PHE:460; ILE:418; ASP:348; GLU:332; THR:322; TYR:315; PRO:308; ALA:290; SER:264; GLY:224; ASN:210; GLN:170

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name1F3TContacts19
PoseOpen native poseHB0
IFP residues
ALA111 ALA67 ARG154 ARG277 ASP332 ASP88 CYS70 GLU274 GLY236 GLY237 GLY276 HIS197 LYS69 PHE238 PRO275 SER200 TYR278 TYR331 TYR389
Current overlap15Native recall0.79
Jaccard0.54RMSD-
HB strict5Strict recall0.56
HB same residue+role4HB role recall0.57
HB same residue4HB residue recall0.57

HB · H-bonds

Mode: strict. Count shows atom-level H-bonds; unique residues in summary: 0.

PI · π–π interactions

Native π–π recall is disabled because no explicit native π–π reference was stored.

HY · Hydrophobic contacts

CLASH · Clashes

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
404 1.0600136250211019 -0.906801 -18.7883 7 18 0 0.00 0.00 - no Open
334 1.2963751080636536 -1.02007 -24.053 9 18 0 0.00 0.00 - no Open
323 1.7960372607055601 -1.03868 -28.6013 9 16 0 0.00 0.00 - no Open
484 2.3012480494550256 -0.803675 -22.5539 5 17 0 0.00 0.00 - no Open
455 2.5025784650004894 -0.873051 -23.6453 4 19 0 0.00 0.00 - no Open
392 2.8165570570264418 -0.749474 -16.3353 9 16 0 0.00 0.00 - no Open
373 2.8256805223943924 -1.12038 -30.2922 6 18 0 0.00 0.00 - no Open
355 3.2999927404897584 -1.04489 -25.9132 11 24 15 0.79 0.57 - no Current
422 3.6194495202975876 -0.781705 -20.3167 7 17 0 0.00 0.00 - no Open
327 3.9353990466277415 -0.80723 -14.126 13 18 0 0.00 0.00 - no Open
350 4.065440236227152 -1.03956 -24.1715 10 16 0 0.00 0.00 - no Open
353 4.0851754945093015 -1.11238 -26.8884 10 23 0 0.00 0.00 - no Open
384 5.8125996811504965 -0.892376 -24.7512 6 16 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 -25.913kcal/mol
Ligand efficiency (LE) -0.8638kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.332
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 30HA

Physicochemical properties

Molecular weight 403.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.03
Lipinski: ≤ 5
Rotatable bonds 8

Conformational strain (MMFF94s)

Strain energy (ΔE) 38.30kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 117.11kcal/mol
Minimised FF energy 78.82kcal/mol

SASA & burial

✓ computed
SASA (unbound) 691.9Ų
Total solvent-accessible surface area of free ligand
BSA total 566.0Ų
Buried surface area upon binding
BSA apolar 434.6Ų
Hydrophobic contacts buried
BSA polar 131.3Ų
Polar contacts buried
Fraction buried 81.8%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 76.8%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2601.9Ų
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 3461.2Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 1401.1Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)