FAIRMol

Z49633576

Pose ID 8743 Compound 992 Pose 613

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 Z49633576
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
69.7 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 0.79, Jaccard 0.71, H-bond role recall 0.71
Burial
73%
Hydrophobic fit
52%
Reason: strain 69.7 kcal/mol
strain ΔE 69.7 kcal/mol 2 protein-contact clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.980 kcal/mol/HA) ✓ Good fit quality (FQ -9.45) ✓ Strong H-bond network (12 bonds) ✓ Deep burial (73% SASA buried) ✗ Extreme strain energy (69.7 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (18)
Score
-29.385
kcal/mol
LE
-0.980
kcal/mol/HA
Fit Quality
-9.45
FQ (Leeson)
HAC
30
heavy atoms
MW
439
Da
LogP
1.07
cLogP
Strain ΔE
69.7 kcal/mol
SASA buried
73%
Lipo contact
52% BSA apolar/total
SASA unbound
609 Ų
Apolar buried
230 Ų

Interaction summary

HB 12 HY 6 PI 3 CLASH 2

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

Final rank5.463Score-29.385
Inter norm-1.050Intra norm0.071
Top1000noExcludedno
Contacts17H-bonds12
Artifact reasongeometry warning; 18 clashes; 3 protein clashes; high strain Δ 69.7
Residues
ALA67 ARG277 ASP332 GLU274 GLY199 GLY236 GLY237 GLY276 HIS197 HIS333 LYS69 PHE238 PRO275 SER200 TYR278 TYR331 TYR389

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

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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
592 1.088467834021099 -1.21638 -35.5119 11 17 0 0.00 0.00 - no Open
591 1.279920394623608 -0.958585 -27.9306 8 14 0 0.00 0.00 - no Open
614 2.169494058727323 -0.722846 -19.1394 4 9 0 0.00 0.00 - no Open
614 2.3485621669480374 -0.756077 -21.8538 8 17 1 0.05 0.00 - no Open
608 2.3978756382173834 -0.914409 -20.3444 11 15 0 0.00 0.00 - no Open
607 2.7193451061352016 -1.01606 -22.4387 11 12 0 0.00 0.00 - no Open
599 3.151702278102694 -0.858251 -17.4184 6 18 0 0.00 0.00 - no Open
605 4.43482713094104 -1.22494 -33.3039 11 22 0 0.00 0.00 - no Open
602 4.713471072673453 -1.10206 -23.637 16 19 0 0.00 0.00 - no Open
613 5.4625540130581856 -1.04999 -29.3846 12 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 -29.385kcal/mol
Ligand efficiency (LE) -0.9795kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -9.448
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 30HA

Physicochemical properties

Molecular weight 439.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 1.07
Lipinski: ≤ 5
Rotatable bonds 9

Conformational strain (MMFF94s)

Strain energy (ΔE) 69.68kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 107.10kcal/mol
Minimised FF energy 37.42kcal/mol

SASA & burial

✓ computed
SASA (unbound) 608.5Ų
Total solvent-accessible surface area of free ligand
BSA total 444.0Ų
Buried surface area upon binding
BSA apolar 230.0Ų
Hydrophobic contacts buried
BSA polar 214.1Ų
Polar contacts buried
Fraction buried 73.0%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 51.8%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2439.9Ų
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 1380.8Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)