FAIRMol

Z275024592

Pose ID 3747 Compound 2284 Pose 361

DB SELECTIONDocking 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 Z275024592
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 medium Native strong SASA done
Strain ΔE
32.7 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 0.71, Jaccard 0.62, H-bond role recall 0.00
Burial
94%
Hydrophobic fit
66%
Reason: no major geometry red flags detected
2 protein-contact clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.690 kcal/mol/HA) ✓ Good fit quality (FQ -6.66) ✓ Deep burial (94% SASA buried) ✓ Lipophilic contacts well-matched (66%) ✗ Very high strain energy (32.7 kcal/mol) ✗ Geometry warnings ✗ Minor protein-contact clashes (3) ✗ Internal clashes (7)
Score
-20.696
kcal/mol
LE
-0.690
kcal/mol/HA
Fit Quality
-6.66
FQ (Leeson)
HAC
30
heavy atoms
MW
451
Da
LogP
5.36
cLogP
Strain ΔE
32.7 kcal/mol
SASA buried
94%
Lipo contact
66% BSA apolar/total
SASA unbound
689 Ų
Apolar buried
425 Ų

Interaction summary

HB 1 HY 24 PI 4 CLASH 2
Final rank0.396Score-20.696
Inter norm-0.943Intra norm0.253
Top1000noExcludedno
Contacts18H-bonds1
Artifact reasongeometry warning; 7 clashes; 3 protein contact clashes; high strain Δ 32.7
Residues
ALA34 ARG100 ARG59 ASP54 GLN56 ILE160 ILE47 LEU90 LEU97 MET55 NDP301 PHE58 PHE94 THR86 TRP49 TYR166 VAL32 VAL33

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

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
Jaccard0.62RMSD-
HB strict0Strict recall0.00
HB same residue+role0HB role recall0.00
HB same residue0HB residue recall0.00

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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
343 -0.016781169744085098 -1.00863 -28.5549 5 14 0 0.00 0.00 - no Open
361 0.39586097939460907 -0.943264 -20.6961 1 18 15 0.71 0.00 - no Current
464 1.4734933962778927 -0.826777 -25.3273 3 18 0 0.00 0.00 - no Open
326 1.5781974143203685 -1.09282 -32.0683 3 22 0 0.00 0.00 - no Open
389 1.943848181712128 -0.926403 -25.5192 7 17 0 0.00 0.00 - no Open
361 2.8436288692052334 -0.924051 -28.9454 10 16 0 0.00 0.00 - no Open
364 3.019765575265047 -0.826602 -24.7265 5 12 0 0.00 0.00 - no Open
356 3.4461648256018282 -0.916897 -26.8047 7 18 0 0.00 0.00 - no Open
386 3.5274002705054572 -0.814362 -24.8371 7 11 0 0.00 0.00 - no Open
363 3.5536977263405602 -1.05422 -31.1436 10 19 0 0.00 0.00 - no Open
402 3.832040767874197 -0.721821 -22.5586 9 12 0 0.00 0.00 - no Open
330 3.8955722111935605 -0.975688 -30.3598 6 14 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 -20.696kcal/mol
Ligand efficiency (LE) -0.6899kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -6.655
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 30HA

Physicochemical properties

Molecular weight 450.6Da
Lipinski: ≤ 500 Da
LogP (cLogP) 5.36
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 32.74kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 62.90kcal/mol
Minimised FF energy 30.15kcal/mol

SASA & burial

✓ computed
SASA (unbound) 688.8Ų
Total solvent-accessible surface area of free ligand
BSA total 647.0Ų
Buried surface area upon binding
BSA apolar 425.3Ų
Hydrophobic contacts buried
BSA polar 221.6Ų
Polar contacts buried
Fraction buried 93.9%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 65.7%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1679.2Ų
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 587.3Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)