FAIRMol

TC419

Pose ID 5622 Compound 369 Pose 204

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 TC419

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
32.9 kcal/mol
Protein clashes
0
Internal clashes
17
Native overlap
contact recall 0.29, Jaccard 0.22, H-bond role recall 0.17
Burial
70%
Hydrophobic fit
86%
Reason: 17 internal clashes
17 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.562 kcal/mol/HA) ✓ Good fit quality (FQ -5.91) ✓ Good H-bonds (5 bonds) ✓ Deep burial (70% SASA buried) ✓ Lipophilic contacts well-matched (86%) ✗ Very high strain energy (32.9 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (17)
Score
-23.048
kcal/mol
LE
-0.562
kcal/mol/HA
Fit Quality
-5.91
FQ (Leeson)
HAC
41
heavy atoms
MW
559
Da
LogP
6.18
cLogP
Strain ΔE
32.9 kcal/mol
SASA buried
70%
Lipo contact
86% BSA apolar/total
SASA unbound
878 Ų
Apolar buried
526 Ų

Interaction summary

HB 5 HY 24 PI 1 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 rank3.967Score-23.048
Inter norm-0.639Intra norm0.077
Top1000noExcludedno
Contacts12H-bonds5
Artifact reasongeometry warning; 17 clashes; 2 protein clashes; moderate strain Δ 29.7
Residues
ARG48 ARG97 LEU94 LYS57 LYS90 LYS95 MET53 PHE56 PHE91 PRO50 TRP47 VAL49

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 overlap6Native recall0.29
Jaccard0.22RMSD-
HB strict2Strict recall0.29
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
246 1.8978868650394465 -0.592392 -18.8585 5 17 0 0.00 0.00 - no Open
305 2.1837762661457223 -0.679556 -21.0444 4 22 0 0.00 0.00 - no Open
227 2.84966926701502 -0.632613 -22.6906 12 17 0 0.00 0.00 - no Open
186 3.375695172911135 -0.680519 -21.3821 7 19 0 0.00 0.00 - no Open
204 3.967053383673706 -0.639174 -23.0484 5 12 6 0.29 0.17 - no Current
214 5.088743032232535 -0.858939 -31.7132 14 27 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 -23.048kcal/mol
Ligand efficiency (LE) -0.5622kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -5.907
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 41HA

Physicochemical properties

Molecular weight 558.7Da
Lipinski: ≤ 500 Da
LogP (cLogP) 6.18
Lipinski: ≤ 5
Rotatable bonds 12

Conformational strain (MMFF94s)

Strain energy (ΔE) 32.87kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 131.92kcal/mol
Minimised FF energy 99.05kcal/mol

SASA & burial

✓ computed
SASA (unbound) 878.1Ų
Total solvent-accessible surface area of free ligand
BSA total 614.7Ų
Buried surface area upon binding
BSA apolar 526.0Ų
Hydrophobic contacts buried
BSA polar 88.6Ų
Polar contacts buried
Fraction buried 70.0%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 85.6%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -3456.0Ų
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 1721.6Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)