FAIRMol

Z68347375

Pose ID 8620 Compound 1338 Pose 490

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 Z68347375
PDB1F3T

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Reject SASA cached
Promising but geometrically suspicious
Binding strong Geometry low Native strong SASA done
Strain ΔE
50.6 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.74, Jaccard 0.67, H-bond role recall 0.57
Burial
68%
Hydrophobic fit
76%
Reason: strain 50.6 kcal/mol
strain ΔE 50.6 kcal/mol 1 protein-contact clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-1.101 kcal/mol/HA) ✓ Good fit quality (FQ -10.51) ✓ Strong H-bond network (9 bonds) ✓ Deep burial (68% SASA buried) ✓ Lipophilic contacts well-matched (76%) ✗ Extreme strain energy (50.6 kcal/mol) ✗ Geometry warnings ✗ Protein-contact clashes (7) ✗ Many internal clashes (14)
Score
-31.929
kcal/mol
LE
-1.101
kcal/mol/HA
Fit Quality
-10.51
FQ (Leeson)
HAC
29
heavy atoms
MW
384
Da
LogP
3.08
cLogP
Strain ΔE
50.6 kcal/mol
SASA buried
68%
Lipo contact
76% BSA apolar/total
SASA unbound
648 Ų
Apolar buried
338 Ų

Interaction summary

HB 9 HY 3 PI 2 CLASH 1
Final rank1.754Score-31.929
Inter norm-1.030Intra norm-0.071
Top1000noExcludedno
Contacts16H-bonds9
Artifact reasongeometry warning; 14 clashes; 7 protein contact clashes; high strain Δ 50.6
Residues
ALA67 ARG277 ASP332 ASP88 GLU274 GLY199 GLY236 GLY237 GLY276 HIS197 HIS333 LYS69 PRO275 SER200 TYR331 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 overlap14Native recall0.74
Jaccard0.67RMSD-
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
490 1.7537992888862641 -1.02991 -31.929 9 16 14 0.74 0.57 - no Current
510 2.7776297499552585 -0.913277 -24.5256 6 12 0 0.00 0.00 - no Open
490 3.0102673198467875 -1.09437 -36.7781 6 14 0 0.00 0.00 - no Open
476 3.201813221844428 -1.11372 -39.2841 11 17 0 0.00 0.00 - no Open
463 3.371347263661328 -1.15929 -38.3001 5 16 0 0.00 0.00 - no Open
492 3.58544371075322 -1.07046 -34.4741 7 21 0 0.00 0.00 - no Open
495 3.7879791106918894 -0.807385 -24.528 7 15 0 0.00 0.00 - no Open
526 4.210215324924119 -0.780771 -24.0519 4 18 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 -31.929kcal/mol
Ligand efficiency (LE) -1.1010kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -10.510
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 29HA

Physicochemical properties

Molecular weight 384.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.08
Lipinski: ≤ 5
Rotatable bonds 4

Conformational strain (MMFF94s)

Strain energy (ΔE) 50.56kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 124.49kcal/mol
Minimised FF energy 73.93kcal/mol

SASA & burial

✓ computed
SASA (unbound) 648.5Ų
Total solvent-accessible surface area of free ligand
BSA total 442.6Ų
Buried surface area upon binding
BSA apolar 338.2Ų
Hydrophobic contacts buried
BSA polar 104.4Ų
Polar contacts buried
Fraction buried 68.2%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 76.4%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2547.8Ų
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 1429.7Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)