FAIRMol

Z19081445

Pose ID 3825 Compound 2349 Pose 439

DB fairmolDocking pose analysis is being read from this database.
Compound detail Protein structures Back to compounds
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T06
T. brucei DHFR T. brucei
Ligand Z19081445
PDB8RHT↗

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 strong SASA done
Strain ΔE
27.0 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.76, Jaccard 0.70, H-bond role recall 0.25
Burial
96%
Hydrophobic fit
64%
Reason: no major geometry red flags detected
1 protein-contact clashes
EcoTox / ADMET In-silico prediction only
Fish LC₅₀
Not classified (>100 mg/L)
Daphnia EC₅₀
Not classified (>100 mg/L)
Algae IC₅₀
Not classified (>100 mg/L)
Bioaccum.
Not B (BCF≤2000)
Persistent
No
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 (-0.909 kcal/mol/HA) ✓ Good fit quality (FQ -8.48) ✓ Deep burial (96% SASA buried) ✓ Lipophilic contacts well-matched (64%) ✗ High strain energy (27.0 kcal/mol) ✗ No H-bonds detected ✗ Geometry warnings ✗ Minor protein-contact clashes (2) ✗ Internal clashes (5)
Score
-24.556
kcal/mol
LE
-0.909
kcal/mol/HA
Fit Quality
-8.48
FQ (Leeson)
HAC
27
heavy atoms
MW
409
Da
LogP
1.78
cLogP
Final rank
0.0744
rank score
Inter norm
-0.835
normalised
Contacts
18
H-bonds 2
Strain ΔE
27.0 kcal/mol
SASA buried
96%
Lipo contact
64% BSA apolar/total
SASA unbound
623 Ų
Apolar buried
385 Ų

Interaction summary

HB 0 HY 10 PI 2 CLASH 1

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

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 overlap16Native recall0.76
Jaccard0.70RMSD-
HB strict1Strict recall0.20
HB same residue+role1HB role recall0.25
HB same residue2HB residue recall0.50

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
439 0.0743856335420149 -0.834733 -24.5557 2 18 16 0.76 0.25 - no Current
452 2.0757484440128646 -0.945836 -25.3647 11 17 0 0.00 0.00 - no Open
446 2.9414058320002976 -1.06804 -28.416 11 17 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 -24.556kcal/mol
Ligand efficiency (LE) -0.9095kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.485
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 27HA

Physicochemical properties
Molecular weight 409.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 1.78
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)
Strain energy (ΔE) 27.04kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 2.22kcal/mol
Minimised FF energy -24.82kcal/mol

SASA & burial

✓ computed
SASA (unbound) 623.4Ų
Total solvent-accessible surface area of free ligand
BSA total 601.0Ų
Buried surface area upon binding
BSA apolar 385.5Ų
Hydrophobic contacts buried
BSA polar 215.5Ų
Polar contacts buried
Fraction buried 96.4%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 64.1%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1634.6Ų
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 582.1Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)