FAIRMol

OSA_Lib_1

Pose ID 3984 Compound 538 Pose 666

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_1
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
25.6 kcal/mol
Protein clashes
5
Internal clashes
5
Native overlap
contact recall 0.75, Jaccard 0.62, H-bond role recall 0.00
Burial
100%
Reason: no major geometry red flags detected
5 protein-contact clashes 5 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.525 kcal/mol/HA) ✓ Good fit quality (FQ -5.38) ✗ High strain energy (25.6 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (21) ✗ Excluded by docking heuristics ℹ SASA not computed
Score
-19.426
kcal/mol
LE
-0.525
kcal/mol/HA
Fit Quality
-5.38
FQ (Leeson)
HAC
37
heavy atoms
MW
536
Da
LogP
5.36
cLogP
Strain ΔE
25.6 kcal/mol
SASA buried
computing…

Interaction summary

HB 1 HY 24 PI 3 CLASH 5
Final rank57.976Score-19.426
Inter norm-0.637Intra norm0.112
Top1000noExcludedyes
Contacts19H-bonds1
Artifact reasonexcluded; geometry warning; 21 clashes; 1 protein clash
Residues
ALA32 ARG48 ASP52 ILE45 LEU94 MET53 NDP301 PHE56 PHE91 PRO88 SER44 SER86 TRP47 TYR162 VAL156 VAL30 VAL31 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: permissive.
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 overlap15Native recall0.75
Jaccard0.62RMSD-
HB strict0Strict recall0.00
HB same residue+role0HB role recall0.00
HB same residue0HB residue recall0.00

HB · H-bonds

Mode: permissive. 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
661 3.9534125250212915 -0.539084 -17.6713 0 16 15 0.75 0.00 - no Open
670 5.302911838111157 -0.623143 -20.7284 0 13 12 0.60 0.00 - no Open
673 5.376951321364157 -0.721597 -20.3615 0 21 17 0.85 0.00 - no Open
665 5.602785480619648 -0.58204 -17.5327 0 20 17 0.85 0.00 - no Open
662 6.204550274643658 -0.526159 -19.6742 0 18 15 0.75 0.00 - no Open
672 6.747198210916205 -0.638524 -24.3875 1 14 12 0.60 0.00 - no Open
671 56.705449159521564 -0.617882 -18.4392 0 17 14 0.70 0.00 - no Open
667 56.267585914789 -0.717017 -25.7859 0 19 15 0.75 0.00 - yes Open
675 56.65139428764116 -0.73125 -24.359 0 20 16 0.80 0.00 - yes Open
668 56.97328320901291 -0.676711 -19.4543 1 19 14 0.70 0.00 - yes Open
674 57.786442039934336 -0.636941 -22.9389 0 15 13 0.65 0.00 - yes Open
666 57.97573970045298 -0.636916 -19.4259 1 19 15 0.75 0.00 - yes Current
676 58.10712127191333 -0.631477 -19.497 0 17 14 0.70 0.00 - yes Open
664 58.44254164882153 -0.616315 -18.2137 1 21 16 0.80 0.00 - yes Open
669 58.48977165206177 -0.56872 -13.6682 0 14 11 0.55 0.00 - yes Open
663 59.19434258309486 -0.639883 -18.0876 1 20 16 0.80 0.00 - 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 -19.426kcal/mol
Ligand efficiency (LE) -0.5250kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -5.375
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 37HA

Physicochemical properties

Molecular weight 535.6Da
Lipinski: ≤ 500 Da
LogP (cLogP) 5.36
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 25.65kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 168.06kcal/mol
Minimised FF energy 142.41kcal/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.