FAIRMol

Z49620451

Pose ID 8560 Compound 479 Pose 430

DB fairmolDocking 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 Z49620451
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
43.8 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.68, Jaccard 0.57, H-bond role recall 0.43
Burial
78%
Hydrophobic fit
77%
Reason: strain 43.8 kcal/mol
strain ΔE 43.8 kcal/mol 1 protein-contact clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-1.375 kcal/mol/HA) ✓ Good fit quality (FQ -12.83) ✓ Strong H-bond network (10 bonds) ✓ Deep burial (78% SASA buried) ✓ Lipophilic contacts well-matched (77%) ✗ Extreme strain energy (43.8 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (20)
Score
-37.134
kcal/mol
LE
-1.375
kcal/mol/HA
Fit Quality
-12.83
FQ (Leeson)
HAC
27
heavy atoms
MW
360
Da
LogP
3.51
cLogP
Strain ΔE
43.8 kcal/mol
SASA buried
78%
Lipo contact
77% BSA apolar/total
SASA unbound
579 Ų
Apolar buried
349 Ų

Interaction summary

HB 10 HY 5 PI 4 CLASH 1

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 rank3.437Score-37.134
Inter norm-1.334Intra norm-0.041
Top1000noExcludedno
Contacts17H-bonds10
Artifact reasongeometry warning; 20 clashes; 1 protein clash; high strain Δ 43.7
Residues
ALA67 ARG154 ARG277 ASP88 GLU274 GLY199 GLY235 GLY236 GLY237 GLY276 HIS197 LYS169 LYS69 PHE170 PRO275 SER200 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 overlap13Native recall0.68
Jaccard0.57RMSD-
HB strict4Strict recall0.44
HB same residue+role3HB role recall0.43
HB same residue4HB residue recall0.57

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
419 0.7601486257451542 -1.40602 -42.0237 11 15 0 0.00 0.00 - no Open
453 2.1017127720934683 -0.978924 -23.5299 4 18 0 0.00 0.00 - no Open
459 2.1985615726132846 -0.716795 -20.6273 6 12 0 0.00 0.00 - no Open
498 2.7548777503622417 -0.986708 -29.2004 7 17 0 0.00 0.00 - no Open
474 2.7551494810251014 -0.871048 -16.3839 6 15 0 0.00 0.00 - no Open
493 2.9897441915583345 -0.968749 -29.3933 5 17 0 0.00 0.00 - no Open
430 3.4369798200375854 -1.33416 -37.134 10 17 13 0.68 0.43 - no Current
449 3.952825963730769 -1.23111 -29.9411 14 18 0 0.00 0.00 - no Open
447 5.221684895759614 -0.982443 -28.6458 7 14 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 -37.134kcal/mol
Ligand efficiency (LE) -1.3753kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -12.831
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 27HA

Physicochemical properties

Molecular weight 360.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.51
Lipinski: ≤ 5
Rotatable bonds 8

Conformational strain (MMFF94s)

Strain energy (ΔE) 43.76kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 143.34kcal/mol
Minimised FF energy 99.59kcal/mol

SASA & burial

✓ computed
SASA (unbound) 578.7Ų
Total solvent-accessible surface area of free ligand
BSA total 451.9Ų
Buried surface area upon binding
BSA apolar 348.6Ų
Hydrophobic contacts buried
BSA polar 103.2Ų
Polar contacts buried
Fraction buried 78.1%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 77.2%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2513.3Ų
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 1411.4Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)