FAIRMol

Z275023406

Pose ID 5928 Compound 797 Pose 510

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 Z275023406

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Weak SASA cached
Promising but geometrically suspicious
Binding strong Geometry low Native mixed SASA done
Strain ΔE
24.5 kcal/mol
Protein clashes
0
Internal clashes
12
Native overlap
contact recall 0.52, Jaccard 0.44, H-bond role recall 0.00
Burial
87%
Hydrophobic fit
80%
Reason: 12 internal clashes
12 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.021 kcal/mol/HA) ✓ Good fit quality (FQ -9.53) ✓ Good H-bonds (3 bonds) ✓ Deep burial (87% SASA buried) ✓ Lipophilic contacts well-matched (80%) ✗ High strain energy (24.5 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (12)
Score
-27.568
kcal/mol
LE
-1.021
kcal/mol/HA
Fit Quality
-9.53
FQ (Leeson)
HAC
27
heavy atoms
MW
413
Da
LogP
5.14
cLogP
Strain ΔE
24.5 kcal/mol
SASA buried
87%
Lipo contact
80% BSA apolar/total
SASA unbound
650 Ų
Apolar buried
457 Ų

Interaction summary

HB 3 HY 24 PI 2 CLASH 0

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

No clash · clashes detected for this pose.
Final rank1.925Score-27.568
Inter norm-1.038Intra norm0.017
Top1000noExcludedno
Contacts15H-bonds3
Artifact reasongeometry warning; 12 clashes; 1 protein clash; moderate strain Δ 24.5
Residues
NDP301 ALA32 ARG48 ASP52 ILE45 MET53 PHE56 PRO88 SER44 SER86 TRP47 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 overlap11Native recall0.52
Jaccard0.44RMSD-
HB strict0Strict recall0.00
HB same residue+role0HB role recall0.00
HB same residue0HB residue recall0.00

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
528 0.46260611739358287 -0.95267 -25.4521 0 11 0 0.00 0.00 - no Open
517 0.7435428613574486 -1.24897 -33.2824 4 17 0 0.00 0.00 - no Open
512 0.9720193338974913 -0.941055 -26.7893 1 17 1 0.05 0.00 - no Open
547 1.4520240893527836 -1.04523 -28.2232 3 17 0 0.00 0.00 - no Open
510 1.9250662333143966 -1.03817 -27.5679 3 15 11 0.52 0.00 - no Current
550 3.4280502744731685 -0.828333 -21.4084 4 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 -27.568kcal/mol
Ligand efficiency (LE) -1.0210kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -9.526
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 27HA

Physicochemical properties

Molecular weight 412.9Da
Lipinski: ≤ 500 Da
LogP (cLogP) 5.14
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)

Strain energy (ΔE) 24.50kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 5.64kcal/mol
Minimised FF energy -18.85kcal/mol

SASA & burial

✓ computed
SASA (unbound) 650.0Ų
Total solvent-accessible surface area of free ligand
BSA total 567.6Ų
Buried surface area upon binding
BSA apolar 456.7Ų
Hydrophobic contacts buried
BSA polar 110.9Ų
Polar contacts buried
Fraction buried 87.3%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 80.5%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -3255.5Ų
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 1689.6Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)