FAIRMol

ulfkktlib_589

Pose ID 8998 Compound 4152 Pose 190

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T14
T. brucei ODC (G418 binding site) T. brucei G418 binding site
Ligand ulfkktlib_589
PDB1NJJ

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Promising SASA cached
Promising and worth follow-up
Binding strong Geometry high Native mixed SASA done
Strain ΔE
19.4 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.40, Jaccard 0.30, H-bond role recall 0.40
Burial
82%
Hydrophobic fit
79%
Reason: no major geometry red flags detected
1 protein-contact clashes
Molecular report
Full metrics ↗
Promising Reasonable quality metrics. Warrants further investigation.
✓ Excellent LE (-1.483 kcal/mol/HA) ✓ Good fit quality (FQ -11.29) ✓ Strong H-bond network (6 bonds) ✓ Deep burial (82% SASA buried) ✓ Lipophilic contacts well-matched (79%) ✗ Moderate strain (19.4 kcal/mol) ✗ Geometry warnings
Score
-23.732
kcal/mol
LE
-1.483
kcal/mol/HA
Fit Quality
-11.29
FQ (Leeson)
HAC
16
heavy atoms
MW
236
Da
LogP
1.57
cLogP
Strain ΔE
19.4 kcal/mol
SASA buried
82%
Lipo contact
79% BSA apolar/total
SASA unbound
433 Ų
Apolar buried
280 Ų

Interaction summary

HB 6 HY 4 PI 0 CLASH 1
Final rank2.696Score-23.732
Inter norm-1.461Intra norm-0.022
Top1000noExcludedno
Contacts11H-bonds6
Artifact reasongeometry warning; 4 clashes; 3 protein clashes
Residues
ALA334 ARG337 ASP243 ASP385 GLU384 LEU339 MET386 PHE383 THR241 VAL335 VAL336

Protein summary

398 residues
Protein targetT14Atoms6140
Residues398Chains1
Residue summaryVAL:592; LEU:513; LYS:484; ARG:432; PHE:420; ILE:418; ASP:349; THR:322; TYR:315; PRO:308; GLU:301; ALA:290; SER:253; GLY:217; ASN:210; GLN:170

Receptor context

1 kept / 0 excluded
Receptor context filtering: interactions and SASA are computed against protein atoms plus allowed cofactors/ions. Native ligand-like HETATM partners are excluded from scoring.
Kept context 1 Excluded HETATM 0
Kept cofactors / ions
A:ORX602

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name1NJJContacts15
PoseOpen native poseHB0
IFP residues
ARG22 ARG242 ARG337 ARG342 ASP243 ASP385 GLN341 GLU384 LEU25 LEU339 LEU382 PRO340 PRO344 SER282 THR241
Current overlap6Native recall0.40
Jaccard0.30RMSD-
HB strict0Strict recall0.00
HB same residue+role2HB role recall0.40
HB same residue2HB residue recall0.40

HB · H-bonds

Mode: strict. Count shows atom-level H-bonds; unique residues in summary: 0.

PI · π–π interactions

No pi · π–π interactions detected for this pose.

HY · Hydrophobic contacts

CLASH · Clashes

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
190 2.6964664471040076 -1.46138 -23.7316 6 11 6 0.40 0.40 - 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 -23.732kcal/mol
Ligand efficiency (LE) -1.4832kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -11.290
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 16HA

Physicochemical properties

Molecular weight 236.3Da
Lipinski: ≤ 500 Da
LogP (cLogP) 1.57
Lipinski: ≤ 5
Rotatable bonds 4

Conformational strain (MMFF94s)

Strain energy (ΔE) 19.39kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 23.68kcal/mol
Minimised FF energy 4.28kcal/mol

SASA & burial

✓ computed
SASA (unbound) 433.1Ų
Total solvent-accessible surface area of free ligand
BSA total 352.8Ų
Buried surface area upon binding
BSA apolar 279.8Ų
Hydrophobic contacts buried
BSA polar 73.0Ų
Polar contacts buried
Fraction buried 81.5%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 79.3%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2333.0Ų
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 3349.0Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 1375.3Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)