FAIRMol

TC408

Pose ID 5619 Compound 1704 Pose 201

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 TC408

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 strong SASA done
Strain ΔE
28.0 kcal/mol
Protein clashes
5
Internal clashes
8
Native overlap
contact recall 0.57, Jaccard 0.46, H-bond role recall 0.33
Burial
90%
Hydrophobic fit
81%
Reason: 8 internal clashes
5 protein-contact clashes 8 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.174 kcal/mol/HA) ✓ Good fit quality (FQ -10.95) ✓ Strong H-bond network (7 bonds) ✓ Deep burial (90% SASA buried) ✓ Lipophilic contacts well-matched (81%) ✗ High strain energy (28.0 kcal/mol) ✗ Geometry warnings ✗ Protein-contact clashes (5) ✗ Internal clashes (8)
Score
-31.686
kcal/mol
LE
-1.174
kcal/mol/HA
Fit Quality
-10.95
FQ (Leeson)
HAC
27
heavy atoms
MW
361
Da
LogP
2.25
cLogP
Strain ΔE
28.0 kcal/mol
SASA buried
90%
Lipo contact
81% BSA apolar/total
SASA unbound
618 Ų
Apolar buried
451 Ų

Interaction summary

HB 7 HY 22 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 rank0.851Score-31.686
Inter norm-1.058Intra norm-0.115
Top1000noExcludedno
Contacts17H-bonds7
Artifact reasongeometry warning; 8 clashes; 5 protein contact clashes; moderate strain Δ 28.0
Residues
NDP301 ALA32 ARG48 ASP52 GLY157 ILE182 ILE45 LEU94 MET53 PHE56 PRO50 SER86 THR83 TRP47 VAL156 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 overlap12Native recall0.57
Jaccard0.46RMSD-
HB strict1Strict recall0.14
HB same residue+role2HB role recall0.33
HB same residue2HB residue recall0.33

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
243 0.6383642184233481 -1.0895 -32.0384 4 13 0 0.00 0.00 - no Open
201 0.8514219575329248 -1.05836 -31.6861 7 17 12 0.57 0.33 - no Current
226 0.9119370131705961 -1.00589 -29.0088 9 16 0 0.00 0.00 - no Open
252 0.9771214741373022 -0.806834 -22.1243 2 14 0 0.00 0.00 - no Open
230 1.2472816895024497 -0.89324 -26.0279 2 18 1 0.05 0.00 - no Open
212 1.2689902355634186 -1.20655 -34.7324 8 25 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 -31.686kcal/mol
Ligand efficiency (LE) -1.1736kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -10.949
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 27HA

Physicochemical properties

Molecular weight 361.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.25
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 28.00kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 80.71kcal/mol
Minimised FF energy 52.70kcal/mol

SASA & burial

✓ computed
SASA (unbound) 618.2Ų
Total solvent-accessible surface area of free ligand
BSA total 559.6Ų
Buried surface area upon binding
BSA apolar 451.2Ų
Hydrophobic contacts buried
BSA polar 108.4Ų
Polar contacts buried
Fraction buried 90.5%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 80.6%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -3272.2Ų
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 1664.3Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)