FAIRMol

Z56935963

Pose ID 5876 Compound 2724 Pose 458

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T09
L. major DHFR-TS L. major
Ligand Z56935963

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
58.5 kcal/mol
Protein clashes
5
Internal clashes
5
Native overlap
contact recall 0.62, Jaccard 0.48, H-bond role recall 0.17
Burial
94%
Hydrophobic fit
70%
Reason: strain 58.5 kcal/mol
strain ΔE 58.5 kcal/mol 5 protein-contact clashes 5 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.863 kcal/mol/HA) ✓ Good fit quality (FQ -7.95) ✓ Strong H-bond network (11 bonds) ✓ Deep burial (94% SASA buried) ✓ Lipophilic contacts well-matched (70%) ✗ Extreme strain energy (58.5 kcal/mol) ✗ Geometry warnings
Score
-22.442
kcal/mol
LE
-0.863
kcal/mol/HA
Fit Quality
-7.95
FQ (Leeson)
HAC
26
heavy atoms
MW
392
Da
LogP
0.90
cLogP
Strain ΔE
58.5 kcal/mol
SASA buried
94%
Lipo contact
70% BSA apolar/total
SASA unbound
615 Ų
Apolar buried
409 Ų

Interaction summary

HB 11 HY 24 PI 2 CLASH 5

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 rank2.902Score-22.442
Inter norm-1.085Intra norm0.222
Top1000noExcludedno
Contacts19H-bonds11
Artifact reasongeometry warning; 4 clashes; 2 protein clashes; high strain Δ 58.5
Residues
NDP301 ALA32 ARG48 ASP52 ILE182 ILE45 MET53 PHE56 PRO50 SER44 SER86 THR180 THR83 TRP47 VAL156 VAL30 VAL31 VAL49 VAL87

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name3CL9Contacts21
PoseOpen native poseHB0
IFP residues
NDP301 ALA32 ARG97 ASP52 GLY157 ILE45 LEU94 LYS57 MET53 PHE55 PHE56 PHE91 PRO88 SER86 THR180 THR83 TYR162 VAL156 VAL30 VAL31 VAL87
Current overlap13Native recall0.62
Jaccard0.48RMSD-
HB strict0Strict recall0.00
HB same residue+role1HB role recall0.17
HB same residue1HB residue recall0.17

Protein summary

511 residues
Protein targetT09Atoms8170
Residues511Chains2
Residue summaryLEU:1064; ARG:840; LYS:572; GLU:570; VAL:528; PHE:460; ILE:456; ALA:440; PRO:420; THR:406; TYR:357; ASP:312; GLN:289; ASN:238; SER:231; GLY:224

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
425 0.21160834063186595 -1.4697 -25.327 13 18 0 0.00 0.00 - no Open
451 1.8587347426823515 -1.44502 -29.976 11 18 0 0.00 0.00 - no Open
466 2.69291344769857 -0.726783 -16.2907 5 11 0 0.00 0.00 - no Open
493 2.8401983330533893 -0.899284 -25.5804 6 17 0 0.00 0.00 - no Open
458 2.90190849278236 -1.08513 -22.4422 11 19 13 0.62 0.17 - 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 -22.442kcal/mol
Ligand efficiency (LE) -0.8632kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.953
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 26HA

Physicochemical properties

Molecular weight 392.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 0.90
Lipinski: ≤ 5
Rotatable bonds 8

Conformational strain (MMFF94s)

Strain energy (ΔE) 58.49kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 117.48kcal/mol
Minimised FF energy 58.99kcal/mol

SASA & burial

✓ computed
SASA (unbound) 614.6Ų
Total solvent-accessible surface area of free ligand
BSA total 579.8Ų
Buried surface area upon binding
BSA apolar 409.0Ų
Hydrophobic contacts buried
BSA polar 170.8Ų
Polar contacts buried
Fraction buried 94.3%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 70.5%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -3200.6Ų
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 4428.5Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 1668.4Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)