FAIRMol

Z44831771

Pose ID 8565 Compound 2641 Pose 435

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 Z44831771
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
27.3 kcal/mol
Protein clashes
3
Internal clashes
3
Native overlap
contact recall 0.79, Jaccard 0.58, H-bond role recall 0.57
Burial
81%
Hydrophobic fit
79%
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 (-0.855 kcal/mol/HA) ✓ Good fit quality (FQ -8.41) ✓ Strong H-bond network (13 bonds) ✓ Deep burial (81% SASA buried) ✓ Lipophilic contacts well-matched (79%) ✗ High strain energy (27.3 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (13)
Score
-27.354
kcal/mol
LE
-0.855
kcal/mol/HA
Fit Quality
-8.41
FQ (Leeson)
HAC
32
heavy atoms
MW
434
Da
LogP
3.50
cLogP
Strain ΔE
27.3 kcal/mol
SASA buried
81%
Lipo contact
79% BSA apolar/total
SASA unbound
753 Ų
Apolar buried
480 Ų

Interaction summary

HB 13 HY 7 PI 3 CLASH 3
Final rank4.651Score-27.354
Inter norm-0.983Intra norm0.129
Top1000noExcludedno
Contacts22H-bonds13
Artifact reasongeometry warning; 13 clashes; 3 protein clashes; moderate strain Δ 27.3
Residues
ALA111 ALA67 ALA90 ARG154 ARG277 ASN112 ASP332 GLU274 GLY199 GLY201 GLY236 GLY237 GLY276 HIS197 HIS333 LYS69 PHE170 PRO113 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 overlap15Native recall0.79
Jaccard0.58RMSD-
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
424 1.8186322343512786 -1.02054 -36.6574 8 15 0 0.00 0.00 - no Open
452 3.2065818441455014 -1.03902 -26.665 14 22 0 0.00 0.00 - no Open
428 3.244278713106622 -0.789482 -23.302 8 21 0 0.00 0.00 - no Open
434 4.645443317145749 -0.798482 -27.4463 12 20 0 0.00 0.00 - no Open
435 4.651411163428056 -0.983333 -27.3542 13 22 15 0.79 0.57 - 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 -27.354kcal/mol
Ligand efficiency (LE) -0.8548kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.406
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 32HA

Physicochemical properties

Molecular weight 434.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.50
Lipinski: ≤ 5
Rotatable bonds 10

Conformational strain (MMFF94s)

Strain energy (ΔE) 27.28kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 143.43kcal/mol
Minimised FF energy 116.14kcal/mol

SASA & burial

✓ computed
SASA (unbound) 752.9Ų
Total solvent-accessible surface area of free ligand
BSA total 609.5Ų
Buried surface area upon binding
BSA apolar 480.0Ų
Hydrophobic contacts buried
BSA polar 129.5Ų
Polar contacts buried
Fraction buried 81.0%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 78.8%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2663.3Ų
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 1387.8Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)