FAIRMol

OSA_Lib_374

Pose ID 5251 Compound 727 Pose 1933

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 OSA_Lib_374
PDB3CL9

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Weak No SASA yet
Weak or marginal quality
Binding strong Geometry medium Native strong SASA missing
Strain ΔE
30.7 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.70, Jaccard 0.61, H-bond role recall 0.20
Burial
100%
Reason: no major geometry red flags detected
1 protein-contact clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.693 kcal/mol/HA) ✓ Good fit quality (FQ -7.10) ✗ Very high strain energy (30.7 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (17) ✗ Excluded by docking heuristics ℹ SASA not computed
Score
-25.656
kcal/mol
LE
-0.693
kcal/mol/HA
Fit Quality
-7.10
FQ (Leeson)
HAC
37
heavy atoms
MW
517
Da
LogP
5.19
cLogP
Strain ΔE
30.7 kcal/mol
SASA buried
computing…

Interaction summary

HB 1 HY 24 PI 2 CLASH 1
Final rank8.399Score-25.656
Inter norm-0.738Intra norm0.044
Top1000noExcludedyes
Contacts17H-bonds1
Artifact reasonexcluded; geometry warning; 17 clashes; 2 protein clashes; high strain Δ 30.7
Residues
ARG48 ARG97 ASP52 ILE45 LEU94 LYS57 MET53 NDP301 PHE56 PHE91 PRO88 SER86 THR83 TRP47 VAL156 VAL49 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 overlap14Native recall0.70
Jaccard0.61RMSD-
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
1934 7.287963904486295 -0.570791 -19.1898 2 14 12 0.60 0.20 - no Open
1935 7.695504257605581 -0.645211 -23.9468 1 18 15 0.75 0.00 - yes Open
1933 8.399052943030991 -0.737716 -25.6557 1 17 14 0.70 0.20 - yes Current
1936 60.15708035878353 -0.667604 -16.5442 2 15 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 -25.656kcal/mol
Ligand efficiency (LE) -0.6934kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.099
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 37HA

Physicochemical properties

Molecular weight 516.7Da
Lipinski: ≤ 500 Da
LogP (cLogP) 5.19
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)

Strain energy (ΔE) 30.69kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 98.58kcal/mol
Minimised FF energy 67.89kcal/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.