FAIRMol

Z136482360

Pose ID 3911 Compound 2406 Pose 525

DB fairmolDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T06
T. brucei DHFR T. brucei
Ligand Z136482360
PDB8RHT

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Reject SASA cached
Promising but geometrically suspicious
Binding strong Geometry low Native strong SASA done
Strain ΔE
39.5 kcal/mol
Protein clashes
2
Internal clashes
10
Native overlap
contact recall 0.71, Jaccard 0.65, H-bond role recall 0.00
Burial
97%
Hydrophobic fit
88%
Reason: 10 internal clashes
2 protein-contact clashes 10 intramolecular clashes
EcoTox / ADMET In-silico prediction only
Fish LC₅₀
Cat. 3 — Harmful (10–100 mg/L)
Daphnia EC₅₀
Cat. 3 — Harmful (10–100 mg/L)
Algae IC₅₀
Cat. 3 — Harmful (10–100 mg/L)
Bioaccum.
Not B (BCF≤2000)
Persistent
No
ADMET alerts (in-silico)
hERG Medium Ames Clear DILI Low
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.511 kcal/mol/HA) ✓ Good fit quality (FQ -4.71) ✓ Deep burial (97% SASA buried) ✓ Lipophilic contacts well-matched (88%) ✗ Very high strain energy (39.5 kcal/mol) ✗ No H-bonds detected ✗ Geometry warnings ✗ Minor protein-contact clashes (2) ✗ Many internal clashes (10)
Score
-13.285
kcal/mol
LE
-0.511
kcal/mol/HA
Fit Quality
-4.71
FQ (Leeson)
HAC
26
heavy atoms
MW
346
Da
LogP
2.87
cLogP
Final rank
0.5416
rank score
Inter norm
-0.909
normalised
Contacts
17
H-bonds 1
Strain ΔE
39.5 kcal/mol
SASA buried
97%
Lipo contact
88% BSA apolar/total
SASA unbound
590 Ų
Apolar buried
504 Ų

Interaction summary

HB 0 HY 9 PI 3 CLASH 0

HBD/HBA · H-bonds (geometric)

No hbd/hba · h-bonds (geometric) detected for this pose.

PI · π–π interactions

Native π–π recall is disabled because no explicit native π–π reference was stored.

HY · Hydrophobic contacts

CLASH · Clashes

No clash · clashes detected for this pose.

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: permissive.
Name8RHTContacts21
PoseOpen native poseHB0
IFP residues
ALA34 ASP54 HIS182 ILE160 ILE47 LEU90 LEU97 MET55 NDP301 PHE233 PHE58 PHE94 PRO91 SER89 THR184 THR86 TRP49 TYR166 TYR57 VAL32 VAL33
Current overlap15Native recall0.71
Jaccard0.65RMSD-
HB strict0Strict recall0.00
HB same residue+role0HB role recall0.00
HB same residue0HB residue recall0.00

Protein summary

223 residues
Protein targetT06Atoms3452
Residues223Chains1
Residue summaryARG:408; VAL:352; LYS:308; LEU:304; PRO:238; ILE:209; GLU:195; THR:182; SER:176; ALA:160; PHE:140; ASN:126; GLY:126; ASP:108; GLN:85; NDP:74

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:NDP301

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
525 0.541636835788748 -0.908616 -13.285 1 17 15 0.71 0.00 - 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 -13.285kcal/mol
Ligand efficiency (LE) -0.5110kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -4.708
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 26HA

Physicochemical properties

Molecular weight 346.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.87
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 39.55kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 88.05kcal/mol
Minimised FF energy 48.50kcal/mol

SASA & burial

✓ computed
SASA (unbound) 589.6Ų
Total solvent-accessible surface area of free ligand
BSA total 570.1Ų
Buried surface area upon binding
BSA apolar 504.1Ų
Hydrophobic contacts buried
BSA polar 66.0Ų
Polar contacts buried
Fraction buried 96.7%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 88.4%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1755.1Ų
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 1808.8Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 577.4Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)