FAIRMol

Z1537384907

Pose ID 3910 Compound 2095 Pose 524

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 Z1537384907
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
Promising but geometrically suspicious
Binding strong Geometry low Native strong SASA done
Strain ΔE
7.7 kcal/mol
Protein clashes
0
Internal clashes
12
Native overlap
contact recall 0.71, Jaccard 0.65, H-bond role recall 0.00
Burial
96%
Hydrophobic fit
88%
Reason: 12 internal clashes
12 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Low conformational strain (7.7 kcal/mol) ✓ Excellent LE (-0.932 kcal/mol/HA) ✓ Good fit quality (FQ -8.59) ✓ Deep burial (96% SASA buried) ✓ Lipophilic contacts well-matched (88%) ✗ Geometry warnings ✗ Many internal clashes (12)
Score
-24.239
kcal/mol
LE
-0.932
kcal/mol/HA
Fit Quality
-8.59
FQ (Leeson)
HAC
26
heavy atoms
MW
344
Da
LogP
4.36
cLogP
Strain ΔE
7.7 kcal/mol
SASA buried
96%
Lipo contact
88% BSA apolar/total
SASA unbound
634 Ų
Apolar buried
533 Ų

Interaction summary

HB 1 HY 24 PI 3 CLASH 0

HB · H-bonds
Mode: strict. Count shows atom-level H-bonds; unique residues in summary: 0.

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.
Final rank0.591Score-24.239
Inter norm-0.910Intra norm-0.022
Top1000noExcludedno
Contacts17H-bonds1
Artifact reasongeometry warning; 12 clashes; 1 protein contact clash
Residues
ALA34 ARG100 ARG59 ASP54 ILE160 ILE47 LEU90 LEU97 MET55 NDP301 PHE58 PHE94 PRO91 THR86 TYR166 VAL32 VAL33

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
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
524 0.5905835506967564 -0.910304 -24.2391 1 17 15 0.71 0.00 - no Current
513 1.7811485430227114 -1.13322 -25.8302 2 12 0 0.00 0.00 - no Open
538 1.9087060180372954 -1.2628 -31.6204 6 19 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 -24.239kcal/mol
Ligand efficiency (LE) -0.9323kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.589
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 26HA

Physicochemical properties
Molecular weight 344.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.36
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)
Strain energy (ΔE) 7.74kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 51.51kcal/mol
Minimised FF energy 43.77kcal/mol

SASA & burial

✓ computed
SASA (unbound) 633.9Ų
Total solvent-accessible surface area of free ligand
BSA total 606.0Ų
Buried surface area upon binding
BSA apolar 533.4Ų
Hydrophobic contacts buried
BSA polar 72.6Ų
Polar contacts buried
Fraction buried 95.6%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 88.0%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1796.9Ų
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 573.2Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)