FAIRMol

TC288

Pose ID 5612 Compound 3305 Pose 194

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 TC288

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
25.6 kcal/mol
Protein clashes
0
Internal clashes
13
Native overlap
contact recall 0.62, Jaccard 0.52, H-bond role recall 0.00
Burial
92%
Hydrophobic fit
87%
Reason: 13 internal clashes
13 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.898 kcal/mol/HA) ✓ Good fit quality (FQ -8.58) ✓ Good H-bonds (4 bonds) ✓ Deep burial (92% SASA buried) ✓ Lipophilic contacts well-matched (87%) ✗ High strain energy (25.6 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (13)
Score
-26.055
kcal/mol
LE
-0.898
kcal/mol/HA
Fit Quality
-8.58
FQ (Leeson)
HAC
29
heavy atoms
MW
394
Da
LogP
3.58
cLogP
Strain ΔE
25.6 kcal/mol
SASA buried
92%
Lipo contact
87% BSA apolar/total
SASA unbound
658 Ų
Apolar buried
527 Ų

Interaction summary

HB 4 HY 24 PI 2 CLASH 0
Final rank2.834Score-26.055
Inter norm-0.985Intra norm0.087
Top1000noExcludedno
Contacts17H-bonds4
Artifact reasongeometry warning; 13 clashes; 2 protein clashes; moderate strain Δ 25.6
Residues
NDP301 ALA32 ARG48 ASP52 ILE45 LEU94 MET53 PHE56 PHE91 PRO50 PRO88 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
Jaccard0.52RMSD-
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
194 2.834051273706491 -0.985093 -26.0553 4 17 13 0.62 0.00 - no Current
245 3.167061040411115 -0.877709 -19.7092 8 10 0 0.00 0.00 - no Open
171 3.273771381134853 -1.09409 -29.2219 13 15 0 0.00 0.00 - no Open
158 3.8367830640454312 -0.98822 -23.9679 11 18 0 0.00 0.00 - no Open
249 4.878803037361924 -0.855509 -20.3889 5 16 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 -26.055kcal/mol
Ligand efficiency (LE) -0.8985kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.576
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 29HA

Physicochemical properties

Molecular weight 394.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.58
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 25.59kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 111.03kcal/mol
Minimised FF energy 85.44kcal/mol

SASA & burial

✓ computed
SASA (unbound) 657.7Ų
Total solvent-accessible surface area of free ligand
BSA total 607.4Ų
Buried surface area upon binding
BSA apolar 527.3Ų
Hydrophobic contacts buried
BSA polar 80.0Ų
Polar contacts buried
Fraction buried 92.3%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 86.8%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -3356.9Ų
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 1644.8Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)