FAIRMol

Z1213740102

Pose ID 1764 Compound 287 Pose 409

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T03
L. major DHFR L. major
Ligand Z1213740102

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Reject SASA cached
Likely artefact or unreliable pose
Binding strong Geometry medium Native strong SASA done
Strain ΔE
40.5 kcal/mol
Protein clashes
2
Internal clashes
1
Native overlap
contact recall 0.90, Jaccard 0.86, H-bond role recall 0.20
Burial
90%
Hydrophobic fit
79%
Reason: no major geometry red flags detected
2 protein-contact clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.729 kcal/mol/HA) ✓ Good fit quality (FQ -7.41) ✓ Good H-bonds (5 bonds) ✓ Deep burial (90% SASA buried) ✓ Lipophilic contacts well-matched (79%) ✗ Extreme strain energy (40.5 kcal/mol) ✗ Geometry warnings ✗ Minor protein-contact clashes (2) ✗ Many internal clashes (21)
Score
-26.230
kcal/mol
LE
-0.729
kcal/mol/HA
Fit Quality
-7.41
FQ (Leeson)
HAC
36
heavy atoms
MW
481
Da
LogP
0.41
cLogP
Strain ΔE
40.5 kcal/mol
SASA buried
90%
Lipo contact
79% BSA apolar/total
SASA unbound
748 Ų
Apolar buried
532 Ų

Interaction summary

HB 5 HY 24 PI 2 CLASH 1
Final rank1.880Score-26.230
Inter norm-0.768Intra norm0.040
Top1000noExcludedno
Contacts19H-bonds5
Artifact reasongeometry warning; 21 clashes; 2 protein contact clashes; 1 cofactor-context clash; high strain Δ 40.0
Residues
ALA32 ARG97 ASP52 ILE45 LEU94 LYS57 LYS95 MET53 NDP301 PHE56 PHE91 PRO88 SER86 THR54 TYR162 VAL156 VAL30 VAL31 VAL87

Protein summary

225 residues
Protein targetT03Atoms3428
Residues225Chains2
Residue summaryLEU:380; ARG:360; VAL:272; LYS:264; ALA:240; GLU:240; PRO:224; PHE:180; THR:154; ILE:152; SER:132; TYR:126; GLN:119; ASN:98; GLY:84; 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.
Name3CL9Contacts20
PoseOpen native poseHB0
IFP residues
ALA32 ARG97 ASP52 ILE45 LEU94 LYS57 MET53 NDP301 PHE56 PHE91 PRO88 SER86 THR180 THR54 THR83 TYR162 VAL156 VAL30 VAL31 VAL87
Current overlap18Native recall0.90
Jaccard0.86RMSD-
HB strict1Strict recall0.14
HB same residue+role1HB role recall0.20
HB same residue1HB residue recall0.20

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
461 1.8517622734323997 -0.83744 -29.9022 3 18 0 0.00 0.00 - no Open
409 1.8804931054117267 -0.768381 -26.2297 5 19 18 0.90 0.20 - no Current
430 3.5318281856772016 -0.621317 -23.6765 3 18 0 0.00 0.00 - no Open
391 4.038472286263752 -0.700824 -25.6196 5 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 -26.230kcal/mol
Ligand efficiency (LE) -0.7286kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.405
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 36HA

Physicochemical properties

Molecular weight 481.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 0.41
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)

Strain energy (ΔE) 40.49kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -68.67kcal/mol
Minimised FF energy -109.17kcal/mol

SASA & burial

✓ computed
SASA (unbound) 748.0Ų
Total solvent-accessible surface area of free ligand
BSA total 674.5Ų
Buried surface area upon binding
BSA apolar 531.8Ų
Hydrophobic contacts buried
BSA polar 142.7Ų
Polar contacts buried
Fraction buried 90.2%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 78.8%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1630.3Ų
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 1820.7Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 786.6Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)