FAIRMol

Z49605060

Pose ID 9182 Compound 1144 Pose 374

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 Z49605060
PDB1NJJ

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 mixed SASA done
Strain ΔE
36.2 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 0.53, Jaccard 0.38, H-bond role recall 0.20
Burial
82%
Hydrophobic fit
70%
Reason: no major geometry red flags detected
2 protein-contact clashes 39% of hydrophobic surface appears solvent-exposed (7/18 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.006 kcal/mol/HA) ✓ Good fit quality (FQ -9.39) ✓ Good H-bonds (5 bonds) ✓ Deep burial (82% SASA buried) ✓ Lipophilic contacts well-matched (70%) ✗ Very high strain energy (36.2 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (9)
Score
-27.164
kcal/mol
LE
-1.006
kcal/mol/HA
Fit Quality
-9.39
FQ (Leeson)
HAC
27
heavy atoms
MW
389
Da
LogP
2.22
cLogP
Strain ΔE
36.2 kcal/mol
SASA buried
82%
Lipo contact
70% BSA apolar/total
SASA unbound
616 Ų
Apolar buried
355 Ų

Interaction summary

HB 5 HY 5 PI 0 CLASH 2 ⚠ Exposure 38%
⚠️Partial hydrophobic solvent exposure
39% of hydrophobic surface appears solvent-exposed (7/18 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
Non-polar atoms 18 Buried (contacted) 11 Exposed 7 LogP 2.22 H-bonds 5
Exposed fragments: phenyl (6/6 atoms exposed)aliphatic chain/group (1 atom exposed)
Final rank4.318Score-27.164
Inter norm-0.878Intra norm-0.128
Top1000noExcludedno
Contacts14H-bonds5
Artifact reasongeometry warning; 9 clashes; 3 protein clashes; high strain Δ 36.2
Residues
ARG22 ARG342 ARG50 ASN20 CYS26 GLN341 GLU343 GLU384 LEU25 LEU382 PRO340 PRO344 THR21 THR285

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 overlap8Native recall0.53
Jaccard0.38RMSD-
HB strict1Strict recall0.17
HB same residue+role1HB role recall0.20
HB same residue1HB residue recall0.20

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
382 1.1856817848753087 -1.2299 -36.6954 12 11 0 0.00 0.00 - no Open
410 1.5492191472670493 -1.06094 -32.6346 3 14 0 0.00 0.00 - no Open
431 1.6558929653522128 -0.885977 -23.8179 8 15 0 0.00 0.00 - no Open
392 1.7134426677175625 -1.06546 -26.3867 8 14 0 0.00 0.00 - no Open
346 2.08459079571292 -1.28056 -31.9367 8 14 0 0.00 0.00 - no Open
331 2.799827702615812 -1.05953 -20.0297 5 12 0 0.00 0.00 - no Open
363 2.9071394399987356 -1.09378 -35.5375 7 24 0 0.00 0.00 - no Open
392 3.4571126202015106 -1.01023 -31.045 12 17 0 0.00 0.00 - no Open
374 4.317628293699705 -0.87843 -27.1637 5 14 8 0.53 0.20 - no Current
366 4.388836339845029 -1.195 -30.9661 12 24 0 0.00 0.00 - no Open
359 5.916636608464641 -1.03551 -21.5961 9 18 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 -27.164kcal/mol
Ligand efficiency (LE) -1.0061kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -9.386
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 27HA

Physicochemical properties

Molecular weight 389.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.22
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 36.24kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 39.86kcal/mol
Minimised FF energy 3.62kcal/mol

SASA & burial

✓ computed
SASA (unbound) 616.4Ų
Total solvent-accessible surface area of free ligand
BSA total 508.3Ų
Buried surface area upon binding
BSA apolar 354.9Ų
Hydrophobic contacts buried
BSA polar 153.4Ų
Polar contacts buried
Fraction buried 82.5%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 69.8%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2398.4Ų
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 1388.8Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)