FAIRMol

TC289

Pose ID 3608 Compound 2505 Pose 222

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 TC289
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
57.9 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 0.67, Jaccard 0.52, H-bond role recall 0.00
Burial
90%
Hydrophobic fit
90%
Reason: strain 57.9 kcal/mol
strain ΔE 57.9 kcal/mol 2 protein-contact clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Good LE (-0.316 kcal/mol/HA) ✓ Good fit quality (FQ -3.16) ✓ Deep burial (90% SASA buried) ✓ Lipophilic contacts well-matched (90%) ✗ Extreme strain energy (57.9 kcal/mol) ✗ Geometry warnings ✗ Minor protein-contact clashes (2) ✗ Many internal clashes (14)
Score
-10.736
kcal/mol
LE
-0.316
kcal/mol/HA
Fit Quality
-3.16
FQ (Leeson)
HAC
34
heavy atoms
MW
468
Da
LogP
3.03
cLogP
Strain ΔE
57.9 kcal/mol
SASA buried
90%
Lipo contact
90% BSA apolar/total
SASA unbound
816 Ų
Apolar buried
660 Ų

Interaction summary

HB 1 HY 24 PI 3 CLASH 2

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

Final rank1.206Score-10.736
Inter norm-0.689Intra norm0.290
Top1000noExcludedno
Contacts20H-bonds1
Artifact reasongeometry warning; 14 clashes; 2 protein contact clashes; high strain Δ 57.9
Residues
ALA34 ARG100 ARG59 ASP54 GLN56 GLU50 ILE160 ILE47 ILE51 LEU97 MET55 NDP301 PHE58 PHE94 PRO52 THR184 TYR166 TYR57 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 overlap14Native recall0.67
Jaccard0.52RMSD-
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
222 1.2059087634151637 -0.688637 -10.7365 1 20 14 0.67 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 -10.736kcal/mol
Ligand efficiency (LE) -0.3158kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -3.160
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 34HA

Physicochemical properties

Molecular weight 467.6Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.03
Lipinski: ≤ 5
Rotatable bonds 9

Conformational strain (MMFF94s)

Strain energy (ΔE) 57.94kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 140.82kcal/mol
Minimised FF energy 82.88kcal/mol

SASA & burial

✓ computed
SASA (unbound) 816.5Ų
Total solvent-accessible surface area of free ligand
BSA total 731.0Ų
Buried surface area upon binding
BSA apolar 659.7Ų
Hydrophobic contacts buried
BSA polar 71.3Ų
Polar contacts buried
Fraction buried 89.5%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 90.2%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1951.6Ų
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 591.8Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)