FAIRMol

TC322

Pose ID 1625 Compound 1135 Pose 270

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T03
L. major DHFR L. major
Ligand TC322

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Reject SASA cached
Promising but geometrically suspicious
Binding strong Geometry low Native mixed SASA done
Strain ΔE
26.4 kcal/mol
Protein clashes
5
Internal clashes
14
Native overlap
contact recall 0.40, Jaccard 0.31, H-bond role recall 0.40
Burial
84%
Hydrophobic fit
88%
Reason: 14 internal clashes
5 protein-contact clashes 14 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.621 kcal/mol/HA) ✓ Good fit quality (FQ -6.11) ✓ Good H-bonds (5 bonds) ✓ Deep burial (84% SASA buried) ✓ Lipophilic contacts well-matched (88%) ✗ High strain energy (26.4 kcal/mol) ✗ Geometry warnings ✗ Protein-contact clashes (5) ✗ Many internal clashes (14)
Score
-19.881
kcal/mol
LE
-0.621
kcal/mol/HA
Fit Quality
-6.11
FQ (Leeson)
HAC
32
heavy atoms
MW
441
Da
LogP
4.21
cLogP
Strain ΔE
26.4 kcal/mol
SASA buried
84%
Lipo contact
88% BSA apolar/total
SASA unbound
764 Ų
Apolar buried
561 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 rank1.496Score-19.881
Inter norm-0.907Intra norm0.286
Top1000noExcludedno
Contacts14H-bonds5
Artifact reasongeometry warning; 14 clashes; 5 protein contact clashes; moderate strain Δ 23.7
Residues
ARG48 ARG97 ASP52 ILE45 LEU94 LYS57 LYS90 LYS95 MET53 PHE56 PHE91 PRO93 TRP47 VAL49

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name3CL9Contacts20
PoseOpen native poseHB0
IFP residues
ALA32 ARG97 ASP52 ILE45 LEU94 LYS57 MET53 NDP301 PHE56 PHE91 PRO88 SER86 THR180 THR54 THR83 TYR162 VAL156 VAL30 VAL31 VAL87
Current overlap8Native recall0.40
Jaccard0.31RMSD-
HB strict3Strict recall0.43
HB same residue+role2HB role recall0.40
HB same residue2HB residue recall0.40

Protein summary

225 residues
Protein targetT03Atoms3428
Residues225Chains2
Residue summaryLEU:380; ARG:360; VAL:272; LYS:264; ALA:240; GLU:240; PRO:224; PHE:180; THR:154; ILE:152; SER:132; TYR:126; GLN:119; ASN:98; GLY:84; NDP:74

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
270 1.495655295043211 -0.906888 -19.8806 5 14 8 0.40 0.40 - no Current
202 2.6027851694161424 -0.994833 -26.7174 8 25 0 0.00 0.00 - no Open
218 2.970827852890614 -0.842945 -21.7398 14 16 0 0.00 0.00 - no Open
245 5.3241131212709725 -0.666612 -15.7003 6 10 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 -19.881kcal/mol
Ligand efficiency (LE) -0.6213kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -6.110
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 32HA

Physicochemical properties

Molecular weight 440.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.21
Lipinski: ≤ 5
Rotatable bonds 11

Conformational strain (MMFF94s)

Strain energy (ΔE) 26.42kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 124.80kcal/mol
Minimised FF energy 98.38kcal/mol

SASA & burial

✓ computed
SASA (unbound) 763.9Ų
Total solvent-accessible surface area of free ligand
BSA total 641.5Ų
Buried surface area upon binding
BSA apolar 561.0Ų
Hydrophobic contacts buried
BSA polar 80.5Ų
Polar contacts buried
Fraction buried 84.0%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 87.5%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1666.1Ų
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 1820.7Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 798.1Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)