FAIRMol

Z57387493

Pose ID 8577 Compound 1962 Pose 447

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 Z57387493
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
24.5 kcal/mol
Protein clashes
4
Internal clashes
4
Native overlap
contact recall 0.79, Jaccard 0.71, H-bond role recall 0.71
Burial
86%
Hydrophobic fit
90%
Reason: no major geometry red flags detected
4 protein-contact clashes 4 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.022 kcal/mol/HA) ✓ Good fit quality (FQ -9.16) ✓ Strong H-bond network (9 bonds) ✓ Deep burial (86% SASA buried) ✓ Lipophilic contacts well-matched (90%) ✗ High strain energy (24.5 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (12)
Score
-24.537
kcal/mol
LE
-1.022
kcal/mol/HA
Fit Quality
-9.16
FQ (Leeson)
HAC
24
heavy atoms
MW
315
Da
LogP
3.47
cLogP
Strain ΔE
24.5 kcal/mol
SASA buried
86%
Lipo contact
90% BSA apolar/total
SASA unbound
586 Ų
Apolar buried
457 Ų

Interaction summary

HB 9 HY 7 PI 3 CLASH 4
Final rank2.684Score-24.537
Inter norm-1.205Intra norm0.183
Top1000noExcludedno
Contacts17H-bonds9
Artifact reasongeometry warning; 12 clashes; 1 protein clash; moderate strain Δ 24.5
Residues
ALA111 ALA67 ARG154 ARG277 ASP332 ASP88 GLU274 GLY235 GLY236 GLY237 GLY276 HIS197 LYS69 PRO113 PRO275 SER200 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
Jaccard0.71RMSD-
HB strict6Strict recall0.67
HB same residue+role5HB role recall0.71
HB same residue5HB residue recall0.71

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
419 0.5773750095409966 -1.16037 -29.6071 4 13 0 0.00 0.00 - no Open
447 2.684417186901276 -1.20526 -24.5368 9 17 15 0.79 0.71 - 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 -24.537kcal/mol
Ligand efficiency (LE) -1.0224kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -9.162
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 24HA

Physicochemical properties

Molecular weight 315.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.47
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)

Strain energy (ΔE) 24.52kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 46.46kcal/mol
Minimised FF energy 21.94kcal/mol

SASA & burial

✓ computed
SASA (unbound) 585.9Ų
Total solvent-accessible surface area of free ligand
BSA total 505.8Ų
Buried surface area upon binding
BSA apolar 457.5Ų
Hydrophobic contacts buried
BSA polar 48.3Ų
Polar contacts buried
Fraction buried 86.3%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 90.4%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2581.9Ų
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 1403.5Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)