FAIRMol

Z25626530

Pose ID 5984 Compound 1874 Pose 566

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 Z25626530

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 mixed SASA done
Strain ΔE
70.0 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.48, Jaccard 0.40, H-bond role recall 0.17
Burial
86%
Hydrophobic fit
79%
Reason: strain 70.0 kcal/mol
strain ΔE 70.0 kcal/mol 1 protein-contact clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.936 kcal/mol/HA) ✓ Good fit quality (FQ -8.51) ✓ Good H-bonds (4 bonds) ✓ Deep burial (86% SASA buried) ✓ Lipophilic contacts well-matched (79%) ✗ Extreme strain energy (70.0 kcal/mol) ✗ Geometry warnings ✗ Minor protein-contact clashes (3) ✗ Many internal clashes (13)
Score
-23.407
kcal/mol
LE
-0.936
kcal/mol/HA
Fit Quality
-8.51
FQ (Leeson)
HAC
25
heavy atoms
MW
360
Da
LogP
3.10
cLogP
Strain ΔE
70.0 kcal/mol
SASA buried
86%
Lipo contact
79% BSA apolar/total
SASA unbound
578 Ų
Apolar buried
392 Ų

Interaction summary

HB 4 HY 24 PI 2 CLASH 1
Final rank1.184Score-23.407
Inter norm-1.012Intra norm0.075
Top1000noExcludedno
Contacts14H-bonds4
Artifact reasongeometry warning; 13 clashes; 3 protein contact clashes; high strain Δ 70.0
Residues
NDP301 ALA32 ARG48 ASP52 ILE45 MET53 PHE56 PRO50 TRP47 TYR162 VAL156 VAL30 VAL31 VAL49

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

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 overlap10Native recall0.48
Jaccard0.40RMSD-
HB strict0Strict recall0.00
HB same residue+role1HB role recall0.17
HB same residue1HB residue recall0.17

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
566 1.1839222104269465 -1.01151 -23.407 4 14 10 0.48 0.17 - no Current
569 1.999713731085638 -0.979347 -21.3042 2 11 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 -23.407kcal/mol
Ligand efficiency (LE) -0.9363kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.512
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 25HA

Physicochemical properties

Molecular weight 359.8Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.10
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)

Strain energy (ΔE) 70.01kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 69.78kcal/mol
Minimised FF energy -0.23kcal/mol

SASA & burial

✓ computed
SASA (unbound) 577.6Ų
Total solvent-accessible surface area of free ligand
BSA total 494.0Ų
Buried surface area upon binding
BSA apolar 391.7Ų
Hydrophobic contacts buried
BSA polar 102.3Ų
Polar contacts buried
Fraction buried 85.5%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 79.3%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -3193.4Ų
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 1682.0Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)