FAIRMol

Z20255081

Pose ID 8538 Compound 678 Pose 408

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 Z20255081
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
30.1 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.79, Jaccard 0.65, H-bond role recall 0.57
Burial
76%
Hydrophobic fit
70%
Reason: no major geometry red flags detected
1 protein-contact clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.801 kcal/mol/HA) ✓ Good fit quality (FQ -7.72) ✓ Strong H-bond network (6 bonds) ✓ Deep burial (76% SASA buried) ✓ Lipophilic contacts well-matched (70%) ✗ Very high strain energy (30.1 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (10)
Score
-24.026
kcal/mol
LE
-0.801
kcal/mol/HA
Fit Quality
-7.72
FQ (Leeson)
HAC
30
heavy atoms
MW
459
Da
LogP
4.59
cLogP
Strain ΔE
30.1 kcal/mol
SASA buried
76%
Lipo contact
70% BSA apolar/total
SASA unbound
704 Ų
Apolar buried
378 Ų

Interaction summary

HB 6 HY 17 PI 3 CLASH 1
Final rank3.229Score-24.026
Inter norm-0.944Intra norm0.144
Top1000noExcludedno
Contacts19H-bonds6
Artifact reasongeometry warning; 10 clashes; 2 protein clashes; high strain Δ 30.1
Residues
ALA67 ARG277 ASP332 GLU274 GLY199 GLY236 GLY237 GLY276 GLY393 HIS197 HIS333 LYS69 PHE238 PRO275 SER200 TYR278 TYR331 TYR389 VAL392

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
Jaccard0.65RMSD-
HB strict4Strict recall0.44
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
396 -0.11056417959593262 -1.19533 -34.8331 9 17 0 0.00 0.00 - no Open
419 0.3271797508948459 -0.839972 -24.243 2 13 0 0.00 0.00 - no Open
480 0.4575261200251558 -0.989236 -25.5218 1 21 0 0.00 0.00 - no Open
388 1.3247621968802203 -0.97422 -27.5305 8 15 0 0.00 0.00 - no Open
429 1.5682838105176942 -0.894601 -23.8867 4 14 0 0.00 0.00 - no Open
452 1.7973468440035216 -0.986403 -22.7906 5 13 0 0.00 0.00 - no Open
450 1.8532223899879046 -0.707052 -19.9579 8 16 0 0.00 0.00 - no Open
442 2.056146307025179 -0.886151 -21.9132 8 18 0 0.00 0.00 - no Open
402 2.1313085350777627 -1.15443 -29.8157 14 17 0 0.00 0.00 - no Open
432 2.4339812204281435 -0.65996 -17.4537 6 10 0 0.00 0.00 - no Open
469 2.992470262134781 -0.896028 -22.0828 6 18 0 0.00 0.00 - no Open
408 3.228580280103112 -0.944403 -24.0255 6 19 15 0.79 0.57 - no Current
426 3.390641675980678 -0.781192 -18.2749 8 14 0 0.00 0.00 - no Open
398 3.736159295282282 -0.857475 -20.4087 13 15 0 0.00 0.00 - no Open
409 3.9602894299335802 -0.833689 -21.2615 10 15 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 -24.026kcal/mol
Ligand efficiency (LE) -0.8009kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.725
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 30HA

Physicochemical properties

Molecular weight 458.6Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.59
Lipinski: ≤ 5
Rotatable bonds 10

Conformational strain (MMFF94s)

Strain energy (ΔE) 30.14kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 44.10kcal/mol
Minimised FF energy 13.95kcal/mol

SASA & burial

✓ computed
SASA (unbound) 704.2Ų
Total solvent-accessible surface area of free ligand
BSA total 538.0Ų
Buried surface area upon binding
BSA apolar 377.9Ų
Hydrophobic contacts buried
BSA polar 160.1Ų
Polar contacts buried
Fraction buried 76.4%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 70.2%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2547.9Ų
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 1406.2Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)