FAIRMol

OHD_TbNat_105

Pose ID 8176 Compound 590 Pose 46

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_TbNat_105
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
30.4 kcal/mol
Protein clashes
3
Internal clashes
3
Native overlap
contact recall 0.79, Jaccard 0.68, H-bond role recall 0.86
Burial
77%
Hydrophobic fit
68%
Reason: no major geometry red flags detected
3 protein-contact clashes 3 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.955 kcal/mol/HA) ✓ Good fit quality (FQ -9.30) ✓ Strong H-bond network (16 bonds) ✓ Deep burial (77% SASA buried) ✓ Lipophilic contacts well-matched (68%) ✗ Very high strain energy (30.4 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (16)
Score
-29.589
kcal/mol
LE
-0.955
kcal/mol/HA
Fit Quality
-9.30
FQ (Leeson)
HAC
31
heavy atoms
MW
434
Da
LogP
-0.43
cLogP
Strain ΔE
30.4 kcal/mol
SASA buried
77%
Lipo contact
68% BSA apolar/total
SASA unbound
673 Ų
Apolar buried
351 Ų

Interaction summary

HB 16 HY 5 PI 1 CLASH 3

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

Final rank5.301Score-29.589
Inter norm-1.086Intra norm0.131
Top1000noExcludedno
Contacts18H-bonds16
Artifact reasongeometry warning; 16 clashes; 3 protein clashes; high strain Δ 30.4
Residues
ALA67 ARG277 ASP332 GLU274 GLY199 GLY201 GLY236 GLY237 GLY276 HIS197 HIS333 LYS69 PHE238 PRO275 SER200 TYR278 TYR331 TYR389

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
Jaccard0.68RMSD-
HB strict7Strict recall0.78
HB same residue+role6HB role recall0.86
HB same residue7HB residue recall1.00

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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
84 1.9283747913911469 -0.937103 -29.9449 8 20 0 0.00 0.00 - no Open
85 1.9638541658565332 -1.04432 -33.1247 10 16 0 0.00 0.00 - no Open
82 2.7477651806865784 -0.704502 -22.1569 6 9 0 0.00 0.00 - no Open
61 2.9989557037730235 -1.02195 -30.4885 6 17 0 0.00 0.00 - no Open
95 3.5606381975773203 -0.992076 -29.9451 7 18 0 0.00 0.00 - no Open
87 3.609197073864286 -0.990527 -28.2491 8 18 0 0.00 0.00 - no Open
50 4.410605974812835 -0.739197 -19.1231 6 15 0 0.00 0.00 - no Open
56 5.214374327704846 -0.914804 -22.8988 10 19 0 0.00 0.00 - no Open
46 5.301391019846421 -1.08605 -29.5892 16 18 15 0.79 0.86 - no Current
67 5.810432988084876 -0.801214 -24.8901 10 12 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 -29.589kcal/mol
Ligand efficiency (LE) -0.9545kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -9.299
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 31HA

Physicochemical properties

Molecular weight 434.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) -0.43
Lipinski: ≤ 5
Rotatable bonds 8

Conformational strain (MMFF94s)

Strain energy (ΔE) 30.41kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 182.49kcal/mol
Minimised FF energy 152.08kcal/mol

SASA & burial

✓ computed
SASA (unbound) 673.4Ų
Total solvent-accessible surface area of free ligand
BSA total 516.8Ų
Buried surface area upon binding
BSA apolar 351.4Ų
Hydrophobic contacts buried
BSA polar 165.4Ų
Polar contacts buried
Fraction buried 76.7%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 68.0%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2563.0Ų
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 3461.2Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 1397.7Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)