FAIRMol

TC268

Pose ID 5357 Compound 749 Pose 2039

DB Docking_panel_21Docking pose analysis is being read from this database.
Molecular metrics status: done
Cached molecular metrics are available for this pose.
Metrics cached · SASA missing
T03
Bifunctional dihydrofolate reductase-thymidylate synthase (DHFR-TS) 'ambiguous: archive label suggests Leishmania major, structure title points to Trypanosoma cruzi template'
Ligand TC268
PDB3CL9

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Reject No SASA yet
Promising but geometrically suspicious
Binding strong Geometry low Native strong SASA missing
Strain ΔE
52.0 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 0.80, Jaccard 0.59, H-bond role recall 0.20
Burial
96%
Reason: strain 52.0 kcal/mol
strain ΔE 52.0 kcal/mol 2 protein-contact clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Acceptable LE (-0.280 kcal/mol/HA) ✓ Good fit quality (FQ -3.25) ✓ Strong H-bond network (9 bonds) ✗ Extreme strain energy (52.0 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (23) ✗ Excluded by docking heuristics ℹ SASA not computed
Score
-18.756
kcal/mol
LE
-0.280
kcal/mol/HA
Fit Quality
-3.25
FQ (Leeson)
HAC
67
heavy atoms
MW
939
Da
LogP
5.54
cLogP
Strain ΔE
52.0 kcal/mol
SASA buried
computing…

Interaction summary

HB 9 HY 24 PI 1 CLASH 2
Final rank15.009Score-18.756
Inter norm-0.388Intra norm0.098
Top1000noExcludedyes
Contacts23H-bonds9
Artifact reasonexcluded; geometry warning; 23 clashes; 3 protein clashes; high strain Δ 48.5
Residues
ALA32 ARG48 ARG97 GLU216 ILE45 LEU94 LYS57 LYS95 MET53 NDP301 PHE56 PHE91 PRO50 PRO88 PRO93 SER44 SER86 THR54 TRP47 TYR162 VAL156 VAL31 VAL87

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

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 overlap16Native recall0.80
Jaccard0.59RMSD-
HB strict1Strict recall0.14
HB same residue+role1HB role recall0.20
HB same residue1HB residue recall0.20

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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
966 7.924960003015377 -0.230019 -10.6205 5 16 0 0.00 0.00 - no Open
971 8.622410915467011 -0.262052 -14.6976 8 18 0 0.00 0.00 - no Open
963 8.668732509650429 -0.262062 -19.966 11 16 0 0.00 0.00 - no Open
973 9.829918695358124 -0.311862 -14.6976 8 15 0 0.00 0.00 - no Open
2033 9.859658197352427 -0.403028 -4.90992 6 21 15 0.75 0.40 - no Open
2031 11.031232536328456 -0.495192 -21.8006 7 19 12 0.60 0.20 - no Open
2040 10.267799486580678 -0.49344 -21.1745 2 25 18 0.90 0.00 - yes Open
964 10.408910837040514 -0.237622 -10.2971 7 20 0 0.00 0.00 - yes Open
2036 10.480489535050769 -0.388256 -23.9808 4 20 14 0.70 0.00 - yes Open
972 12.733866709987094 -0.219659 -8.63375 7 17 0 0.00 0.00 - yes Open
2037 13.398149860971646 -0.32272 -13.9885 7 19 13 0.65 0.20 - yes Open
2039 15.008648071697358 -0.387667 -18.7564 9 23 16 0.80 0.20 - yes Current
2029 57.916787006582524 -0.34104 -18.6838 6 21 15 0.75 0.20 - yes Open
2030 58.04003634870706 -0.410412 -21.6919 6 23 18 0.90 0.40 - yes Open
968 58.1921685393656 -0.251457 -6.81459 7 18 0 0.00 0.00 - yes Open
2034 58.308985218766225 -0.395443 -12.0484 3 20 14 0.70 0.40 - yes Open
967 58.3695528382883 -0.298086 -10.1592 7 21 0 0.00 0.00 - yes Open
969 58.76365490072506 -0.351447 -19.3528 11 22 0 0.00 0.00 - yes Open
2035 59.2106178894737 -0.39712 -19.9826 5 18 11 0.55 0.20 - yes Open
962 60.09819276727043 -0.248705 -24.6375 7 16 0 0.00 0.00 - yes Open
2032 61.28527412652558 -0.43473 -20.7284 6 17 11 0.55 0.20 - yes Open
965 62.22827217570115 -0.341314 -18.1706 9 22 0 0.00 0.00 - yes Open
970 63.08438541607137 -0.22874 -12.9469 7 19 0 0.00 0.00 - yes Open
2038 63.95618221165056 -0.285993 -13.0253 5 16 12 0.60 0.20 - yes Open

Molecular metrics

RDKit SASA burial, strain energy (MMFF94s), ligand efficiency and fit quality for this docking pose.
✓ Metrics available

Scoring & efficiency

Docking score -18.756kcal/mol
Ligand efficiency (LE) -0.2799kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -3.248
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 67HA

Physicochemical properties

Molecular weight 939.1Da
Lipinski: ≤ 500 Da
LogP (cLogP) 5.54
Lipinski: ≤ 5
Rotatable bonds 14

Conformational strain (MMFF94s)

Strain energy (ΔE) 52.01kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 207.74kcal/mol
Minimised FF energy 155.72kcal/mol

SASA & burial

not yet run
SASA has not been computed yet for this pose. Queue a background recompute to populate SASA burial metrics without blocking the page.