FAIRMol

Z68347496

Pose ID 5972 Compound 1425 Pose 554

DB fairmolDocking 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 Z68347496

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
59.1 kcal/mol
Protein clashes
4
Internal clashes
4
Native overlap
contact recall 0.71, Jaccard 0.60, H-bond role recall 0.17
Burial
90%
Hydrophobic fit
78%
Reason: strain 59.1 kcal/mol
strain ΔE 59.1 kcal/mol 4 protein-contact clashes 4 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-1.006 kcal/mol/HA) ✓ Good fit quality (FQ -9.71) ✓ Strong H-bond network (8 bonds) ✓ Deep burial (90% SASA buried) ✓ Lipophilic contacts well-matched (78%) ✗ Extreme strain energy (59.1 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (15)
Score
-30.190
kcal/mol
LE
-1.006
kcal/mol/HA
Fit Quality
-9.71
FQ (Leeson)
HAC
30
heavy atoms
MW
425
Da
LogP
2.58
cLogP
Strain ΔE
59.1 kcal/mol
SASA buried
90%
Lipo contact
78% BSA apolar/total
SASA unbound
687 Ų
Apolar buried
479 Ų

Interaction summary

HB 8 HY 24 PI 2 CLASH 4

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 rank3.392Score-30.190
Inter norm-0.869Intra norm-0.138
Top1000noExcludedno
Contacts19H-bonds8
Artifact reasongeometry warning; 15 clashes; 1 protein clash; high strain Δ 55.1
Residues
NDP301 ALA32 ARG48 ASP52 ILE45 MET53 PHE55 PHE56 PRO88 SER44 SER86 THR180 TRP47 TYR162 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 overlap15Native recall0.71
Jaccard0.60RMSD-
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
551 0.7863990384040856 -1.0689 -34.3256 10 13 0 0.00 0.00 - no Open
540 2.01639219542086 -0.846568 -22.4366 9 19 1 0.05 0.00 - no Open
597 2.6257543792701297 -0.791858 -27.3268 6 16 0 0.00 0.00 - no Open
552 2.841916052752017 -1.32572 -41.1595 11 19 0 0.00 0.00 - no Open
543 2.925843509730519 -1.38782 -43.7879 9 19 0 0.00 0.00 - no Open
577 3.073966426611157 -0.901 -28.5624 12 17 0 0.00 0.00 - no Open
554 3.391884301661245 -0.86851 -30.1896 8 19 15 0.71 0.17 - no Current
566 3.7897586704157433 -0.890481 -21.4571 10 12 0 0.00 0.00 - no Open
571 4.379321273351954 -0.866284 -27.1145 5 17 0 0.00 0.00 - no Open
577 4.446355622158319 -0.795751 -23.7085 6 19 0 0.00 0.00 - no Open
556 4.761776816752896 -0.850102 -27.284 9 14 0 0.00 0.00 - no Open
566 4.827703850716491 -1.36608 -35.1918 12 19 0 0.00 0.00 - no Open
581 5.166757877468878 -0.708586 -24.5919 8 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 -30.190kcal/mol
Ligand efficiency (LE) -1.0063kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -9.707
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 30HA

Physicochemical properties

Molecular weight 425.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.58
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 59.09kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 117.76kcal/mol
Minimised FF energy 58.66kcal/mol

SASA & burial

✓ computed
SASA (unbound) 687.1Ų
Total solvent-accessible surface area of free ligand
BSA total 616.2Ų
Buried surface area upon binding
BSA apolar 478.6Ų
Hydrophobic contacts buried
BSA polar 137.6Ų
Polar contacts buried
Fraction buried 89.7%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 77.7%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -3275.5Ų
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 1684.5Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)