FAIRMol

Z16042352

Pose ID 6066 Compound 3171 Pose 648

DB SELECTIONDocking pose analysis is being read from this database.
Compound detail Protein structures Back to compounds
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T09
L. major DHFR-TS L. major
Ligand Z16042352

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Weak SASA cached
Weak or marginal quality
Binding strong Geometry high Native mixed SASA done
Strain ΔE
28.3 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.52, Jaccard 0.42, H-bond role recall 0.17
Burial
88%
Hydrophobic fit
89%
Reason: no major geometry red flags detected
1 protein-contact clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.064 kcal/mol/HA) ✓ Good fit quality (FQ -9.39) ✓ Good H-bonds (5 bonds) ✓ Deep burial (88% SASA buried) ✓ Lipophilic contacts well-matched (89%) ✗ High strain energy (28.3 kcal/mol) ✗ Geometry warnings ✗ Minor protein-contact clashes (4) ✗ Internal clashes (6)
Score
-24.465
kcal/mol
LE
-1.064
kcal/mol/HA
Fit Quality
-9.39
FQ (Leeson)
HAC
23
heavy atoms
MW
322
Da
LogP
2.62
cLogP
Strain ΔE
28.3 kcal/mol
SASA buried
88%
Lipo contact
89% BSA apolar/total
SASA unbound
570 Ų
Apolar buried
444 Ų

Interaction summary

HB 5 HY 24 PI 2 CLASH 1
Final rank0.336Score-24.465
Inter norm-1.118Intra norm0.055
Top1000noExcludedno
Contacts16H-bonds5
Artifact reasongeometry warning; 6 clashes; 4 protein contact clashes; moderate strain Δ 28.3
Residues
NDP301 ALA32 ARG48 ASP52 ILE182 ILE45 LEU94 MET53 PHE56 SER44 TRP47 TYR162 VAL156 VAL31 VAL49 VAL87

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 overlap11Native recall0.52
Jaccard0.42RMSD-
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
648 0.33609276702894253 -1.11827 -24.4647 5 16 11 0.52 0.17 - no Current
663 2.0072436033980896 -0.819619 -18.4095 6 7 0 0.00 0.00 - no Open
664 3.583526044193061 -1.37062 -28.3647 6 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 -24.465kcal/mol
Ligand efficiency (LE) -1.0637kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -9.388
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 23HA

Physicochemical properties
Molecular weight 322.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.62
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)
Strain energy (ΔE) 28.31kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 56.84kcal/mol
Minimised FF energy 28.53kcal/mol

SASA & burial

✓ computed
SASA (unbound) 570.2Ų
Total solvent-accessible surface area of free ligand
BSA total 500.2Ų
Buried surface area upon binding
BSA apolar 443.8Ų
Hydrophobic contacts buried
BSA polar 56.5Ų
Polar contacts buried
Fraction buried 87.7%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 88.7%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -3247.1Ų
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 1695.1Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)