FAIRMol

Z55697787

Pose ID 8641 Compound 2614 Pose 511

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 Z55697787
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
Likely artefact or unreliable pose
Binding strong Geometry medium Native strong SASA done
Strain ΔE
40.3 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 0.79, Jaccard 0.60, H-bond role recall 0.14
Burial
81%
Hydrophobic fit
80%
Reason: no major geometry red flags detected
2 protein-contact clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.639 kcal/mol/HA) ✓ Good fit quality (FQ -6.29) ✓ Strong H-bond network (9 bonds) ✓ Deep burial (81% SASA buried) ✓ Lipophilic contacts well-matched (80%) ✗ Extreme strain energy (40.3 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (17)
Score
-20.465
kcal/mol
LE
-0.639
kcal/mol/HA
Fit Quality
-6.29
FQ (Leeson)
HAC
32
heavy atoms
MW
489
Da
LogP
5.72
cLogP
Strain ΔE
40.3 kcal/mol
SASA buried
81%
Lipo contact
80% BSA apolar/total
SASA unbound
710 Ų
Apolar buried
461 Ų

Interaction summary

HB 9 HY 12 PI 4 CLASH 2
Final rank4.060Score-20.465
Inter norm-0.924Intra norm0.284
Top1000noExcludedno
Contacts21H-bonds9
Artifact reasongeometry warning; 17 clashes; 2 protein clashes; high strain Δ 40.3
Residues
ALA111 ALA67 ARG154 ARG277 ASN112 ASP332 ASP88 GLU274 GLY199 GLY235 GLY236 GLY237 GLY276 HIS197 HIS333 LYS69 PHE170 PRO113 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 overlap15Native recall0.79
Jaccard0.60RMSD-
HB strict1Strict recall0.11
HB same residue+role1HB role recall0.14
HB same residue2HB residue recall0.29

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
510 0.44269170806396874 -1.00413 -30.7602 4 15 0 0.00 0.00 - no Open
544 1.5733765538674693 -0.675582 -18.7344 3 12 0 0.00 0.00 - no Open
503 2.309850622994656 -0.7127 -11.5838 2 19 0 0.00 0.00 - no Open
541 3.0441164591847025 -0.743402 -21.4074 6 19 0 0.00 0.00 - no Open
512 3.446651160020602 -0.610102 -13.3601 4 11 0 0.00 0.00 - no Open
511 4.060375456898433 -0.923649 -20.4653 9 21 15 0.79 0.14 - 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 -20.465kcal/mol
Ligand efficiency (LE) -0.6395kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -6.289
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 32HA

Physicochemical properties

Molecular weight 489.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 5.72
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 40.30kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 5.27kcal/mol
Minimised FF energy -35.03kcal/mol

SASA & burial

✓ computed
SASA (unbound) 709.8Ų
Total solvent-accessible surface area of free ligand
BSA total 574.3Ų
Buried surface area upon binding
BSA apolar 460.8Ų
Hydrophobic contacts buried
BSA polar 113.5Ų
Polar contacts buried
Fraction buried 80.9%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 80.2%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2642.8Ų
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 1412.1Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)