FAIRMol

Z44848695

Pose ID 9232 Compound 635 Pose 424

DB fairmolDocking 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 Z44848695
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 strong SASA done
Strain ΔE
34.3 kcal/mol
Protein clashes
5
Internal clashes
5
Native overlap
contact recall 0.67, Jaccard 0.48, H-bond role recall 0.20
Burial
77%
Hydrophobic fit
80%
Reason: no major geometry red flags detected
5 protein-contact clashes 5 intramolecular clashes 58% of hydrophobic surface appears solvent-exposed (15/26 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
EcoTox / ADMET In-silico prediction only
Fish LC₅₀
Cat. 1 — Very toxic (≤1 mg/L)
Daphnia EC₅₀
Cat. 1 — Very toxic (≤1 mg/L)
Algae IC₅₀
Cat. 1 — Very toxic (≤1 mg/L)
Bioaccum.
Not B (BCF≤2000)
Persistent
No
ADMET alerts (in-silico)
hERG Medium Ames Clear DILI Risk
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.976 kcal/mol/HA) ✓ Good fit quality (FQ -9.68) ✓ Deep burial (77% SASA buried) ✓ Lipophilic contacts well-matched (80%) ✗ Very high strain energy (34.3 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (17)
Score
-32.198
kcal/mol
LE
-0.976
kcal/mol/HA
Fit Quality
-9.68
FQ (Leeson)
HAC
33
heavy atoms
MW
437
Da
LogP
4.75
cLogP
Final rank
3.4828
rank score
Inter norm
-0.748
normalised
Contacts
16
H-bonds 7
Strain ΔE
34.3 kcal/mol
SASA buried
77%
Lipo contact
80% BSA apolar/total
SASA unbound
691 Ų
Apolar buried
429 Ų

Interaction summary

HBD 1 HBA 1 HY 5 PI 0 CLASH 5

HBD/HBA · H-bonds (geometric)

HBD = ligand donates H · HBA = ligand accepts H · ~ = weak (≥110°). Mode: strict. Residues: 2.

PI · π–π interactions

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

HY · Hydrophobic contacts

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 overlap10Native recall0.67
Jaccard0.48RMSD-
HB strict1Strict recall0.17
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
394 1.5511473651921004 -1.11002 -33.6375 6 17 0 0.00 0.00 - no Open
427 2.155713059795852 -0.809808 -29.0159 2 15 0 0.00 0.00 - no Open
429 2.2027243072175025 -0.596559 -19.3192 4 9 0 0.00 0.00 - no Open
400 2.3769900297927964 -0.864096 -29.2758 8 18 0 0.00 0.00 - no Open
477 2.5118889280486956 -0.921659 -28.9271 3 15 0 0.00 0.00 - no Open
423 2.6973180339470275 -0.991555 -32.4439 5 16 0 0.00 0.00 - no Open
512 2.878072317435572 -0.737357 -22.0076 5 13 0 0.00 0.00 - no Open
424 3.482811106572005 -0.747623 -32.1977 7 16 10 0.67 0.20 - no Current
447 3.985364387552201 -0.680606 -23.5838 2 13 0 0.00 0.00 - no Open
486 4.241488649191899 -0.865383 -24.9832 3 19 0 0.00 0.00 - no Open
420 5.506531047686867 -1.05786 -36.8603 15 25 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 -32.198kcal/mol
Ligand efficiency (LE) -0.9757kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -9.681
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 33HA

Physicochemical properties

Molecular weight 437.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.75
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 34.31kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 129.14kcal/mol
Minimised FF energy 94.83kcal/mol

SASA & burial

✓ computed
SASA (unbound) 691.4Ų
Total solvent-accessible surface area of free ligand
BSA total 534.6Ų
Buried surface area upon binding
BSA apolar 429.1Ų
Hydrophobic contacts buried
BSA polar 105.5Ų
Polar contacts buried
Fraction buried 77.3%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 80.3%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2493.1Ų
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 1391.2Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)