FAIRMol

TC487

Pose ID 5627 Compound 352 Pose 209

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 TC487

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
32.4 kcal/mol
Protein clashes
0
Internal clashes
12
Native overlap
contact recall 0.62, Jaccard 0.50, H-bond role recall 0.00
Burial
91%
Hydrophobic fit
81%
Reason: 12 internal clashes
12 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.864 kcal/mol/HA) ✓ Good fit quality (FQ -8.34) ✓ Good H-bonds (4 bonds) ✓ Deep burial (91% SASA buried) ✓ Lipophilic contacts well-matched (81%) ✗ Very high strain energy (32.4 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (12)
Score
-25.921
kcal/mol
LE
-0.864
kcal/mol/HA
Fit Quality
-8.34
FQ (Leeson)
HAC
30
heavy atoms
MW
428
Da
LogP
3.96
cLogP
Strain ΔE
32.4 kcal/mol
SASA buried
91%
Lipo contact
81% BSA apolar/total
SASA unbound
664 Ų
Apolar buried
491 Ų

Interaction summary

HB 4 HY 24 PI 2 CLASH 0
Final rank3.041Score-25.921
Inter norm-0.975Intra norm0.111
Top1000noExcludedno
Contacts18H-bonds4
Artifact reasongeometry warning; 12 clashes; 2 protein clashes; high strain Δ 32.4
Residues
NDP301 ALA32 ARG48 ASP52 ILE45 LEU94 MET53 PHE56 PHE91 PRO50 PRO88 SER44 SER86 THR83 TRP47 VAL156 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 overlap13Native recall0.62
Jaccard0.50RMSD-
HB strict0Strict recall0.00
HB same residue+role0HB role recall0.00
HB same residue0HB residue recall0.00

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.

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
290 0.8017311614907171 -0.908661 -23.0929 6 19 0 0.00 0.00 - no Open
289 1.1891934264856294 -0.986427 -25.4869 6 10 0 0.00 0.00 - no Open
226 1.5612750493986565 -0.771977 -19.4826 3 19 1 0.05 0.00 - no Open
300 2.1179682723188282 -0.934578 -22.8791 6 18 0 0.00 0.00 - no Open
262 2.399824276567599 -0.752579 -21.269 5 15 0 0.00 0.00 - no Open
209 3.0410827936045286 -0.975088 -25.9209 4 18 13 0.62 0.00 - no Current
248 3.1462562544506847 -0.786482 -20.8151 5 15 0 0.00 0.00 - no Open
251 3.320904741573509 -0.887126 -22.6215 10 12 0 0.00 0.00 - no Open
163 3.477429104976751 -1.00816 -23.4165 10 19 0 0.00 0.00 - no Open
287 3.836641570962658 -0.64787 -14.6997 5 12 0 0.00 0.00 - no Open
175 4.216104188406848 -1.04114 -29.1927 13 17 0 0.00 0.00 - no Open
269 4.601908702211421 -0.782747 -19.9233 7 18 0 0.00 0.00 - no Open
239 5.345105059884922 -0.932927 -25.0434 12 17 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 -25.921kcal/mol
Ligand efficiency (LE) -0.8640kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.335
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 30HA

Physicochemical properties

Molecular weight 427.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.96
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 32.37kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 86.56kcal/mol
Minimised FF energy 54.20kcal/mol

SASA & burial

✓ computed
SASA (unbound) 664.3Ų
Total solvent-accessible surface area of free ligand
BSA total 602.6Ų
Buried surface area upon binding
BSA apolar 490.8Ų
Hydrophobic contacts buried
BSA polar 111.8Ų
Polar contacts buried
Fraction buried 90.7%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 81.4%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -3321.9Ų
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 1644.3Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)