FAIRMol

TC275

Pose ID 9052 Compound 2230 Pose 244

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 TC275
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 high Native mixed SASA done
Strain ΔE
20.0 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.53, Jaccard 0.42, H-bond role recall 0.20
Burial
78%
Hydrophobic fit
75%
Reason: no major geometry red flags detected
1 protein-contact clashes 100% of hydrophobic surface is solvent-exposed (16/16 atoms). Large non-polar area without protein contacts incurs a desolvation penalty and will reduce binding affinity. Consider truncating or replacing the exposed fragment.
EcoTox / ADMET GDS: SAFE UL GreenDrugScore ML model
ECOscore
0.282
aquatic tox · BCF · biodeg.
GDS₃ (3-block)
0.374
ADMET + ECO + DL
ADMETscore (GDS)
0.367
absorption · distr. · metab.
DLscore
0.443
drug-likeness
P(SAFE)
0.83
GDS classification
ADMET alerts (in-silico)
hERG Low Ames Clear DILI Low
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.004 kcal/mol/HA) ✓ Good fit quality (FQ -8.71) ✓ Good H-bonds (5 bonds) ✓ Deep burial (78% SASA buried) ✓ Lipophilic contacts well-matched (75%) ✗ High strain energy (20.0 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (8)
Score
-22.077
kcal/mol
LE
-1.004
kcal/mol/HA
Fit Quality
-8.71
FQ (Leeson)
HAC
22
heavy atoms
MW
299
Da
LogP
2.74
cLogP
Final rank
2.6324
rank score
Inter norm
-1.307
normalised
Contacts
12
H-bonds 8
Strain ΔE
20.0 kcal/mol
SASA buried
78%
Lipo contact
75% BSA apolar/total
SASA unbound
537 Ų
Apolar buried
314 Ų

Interaction summary

HBD 2 HBA 3 HY 0 PI 0 CLASH 1

HBD/HBA · H-bonds (geometric)

HBD = ligand donates H · HBA = ligand accepts H · ~ = weak (≥110°). Mode: strict. Residues: 3.

PI · π–π interactions

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

HY · Hydrophobic contacts

No hy · hydrophobic contacts detected for this pose.

CLASH · Clashes

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
Jaccard0.42RMSD-
HB strict0Strict recall0.00
HB same residue+role1HB role recall0.20
HB same residue2HB residue recall0.40

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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
221 -0.5342035848569257 -1.48191 -28.3703 10 11 0 0.00 0.00 - no Open
210 1.589293489537325 -1.07316 -17.7732 5 17 0 0.00 0.00 - no Open
168 1.7994056093051762 -1.25927 -24.9338 12 15 0 0.00 0.00 - no Open
156 2.1823482137671677 -1.33711 -18.3838 9 17 0 0.00 0.00 - no Open
244 2.632384898312331 -1.30724 -22.0766 8 12 8 0.53 0.20 - no Current
224 3.05553725405528 -1.31477 -25.7881 5 12 0 0.00 0.00 - no Open
214 3.1880861317190305 -1.12817 -19.3279 10 15 0 0.00 0.00 - no Open
155 4.489595302255546 -1.27909 -22.1697 11 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 -22.077kcal/mol
Ligand efficiency (LE) -1.0035kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.712
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 22HA

Physicochemical properties

Molecular weight 299.3Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.74
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 20.02kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 46.94kcal/mol
Minimised FF energy 26.93kcal/mol

SASA & burial

✓ computed
SASA (unbound) 536.6Ų
Total solvent-accessible surface area of free ligand
BSA total 421.1Ų
Buried surface area upon binding
BSA apolar 314.0Ų
Hydrophobic contacts buried
BSA polar 107.1Ų
Polar contacts buried
Fraction buried 78.5%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 74.6%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2385.2Ų
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 3349.0Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 1390.4Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)