FAIRMol

Z1541759501

Pose ID 8675 Compound 3303 Pose 545

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 Z1541759501
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
19.9 kcal/mol
Protein clashes
4
Internal clashes
4
Native overlap
contact recall 0.89, Jaccard 0.65, H-bond role recall 0.29
Burial
84%
Hydrophobic fit
88%
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 (-0.891 kcal/mol/HA) ✓ Good fit quality (FQ -8.59) ✓ Good H-bonds (4 bonds) ✓ Deep burial (84% SASA buried) ✓ Lipophilic contacts well-matched (88%) ✗ Moderate strain (19.9 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (13)
Score
-26.719
kcal/mol
LE
-0.891
kcal/mol/HA
Fit Quality
-8.59
FQ (Leeson)
HAC
30
heavy atoms
MW
409
Da
LogP
4.89
cLogP
Strain ΔE
19.9 kcal/mol
SASA buried
84%
Lipo contact
88% BSA apolar/total
SASA unbound
663 Ų
Apolar buried
491 Ų

Interaction summary

HB 4 HY 14 PI 4 CLASH 4

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 rank2.558Score-26.719
Inter norm-1.006Intra norm0.116
Top1000noExcludedno
Contacts24H-bonds4
Artifact reasongeometry warning; 13 clashes; 1 protein clash
Residues
ALA111 ALA67 ARG154 ARG277 ASN112 ASP233 ASP332 GLU274 GLY235 GLY236 GLY237 GLY276 HIS197 LYS69 PHE196 PHE238 PRO113 PRO275 SER195 SER200 THR132 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 overlap17Native recall0.89
Jaccard0.65RMSD-
HB strict2Strict recall0.22
HB same residue+role2HB role recall0.29
HB same residue2HB residue recall0.29

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
545 2.5575628467402405 -1.0065 -26.7194 4 24 17 0.89 0.29 - no Current
540 2.677235249939553 -0.840162 -23.9259 7 16 0 0.00 0.00 - no Open
539 4.222530780485599 -0.751552 -18.2508 5 11 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 -26.719kcal/mol
Ligand efficiency (LE) -0.8906kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.591
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 30HA

Physicochemical properties

Molecular weight 409.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.89
Lipinski: ≤ 5
Rotatable bonds 8

Conformational strain (MMFF94s)

Strain energy (ΔE) 19.95kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 51.86kcal/mol
Minimised FF energy 31.91kcal/mol

SASA & burial

✓ computed
SASA (unbound) 662.6Ų
Total solvent-accessible surface area of free ligand
BSA total 555.4Ų
Buried surface area upon binding
BSA apolar 491.4Ų
Hydrophobic contacts buried
BSA polar 63.9Ų
Polar contacts buried
Fraction buried 83.8%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 88.5%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2648.2Ų
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 1388.4Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)