message: enforce first model
diff: @@ -136,7 +136,8 @@ const QueryMap = {
  const tests = getAtomsTests(p.atom_site);
  const ligands = Queries.combinators.merge(tests.map(test => Queries.generators.atoms({
  ...test,
  - groupBy: (ctx) => StructureProperties.residue.key(ctx.element)
  + unitTest: ctx => StructureProperties.unit.model_num(ctx.element) === 1,
  + groupBy: ctx => StructureProperties.residue.key(ctx.element)
  })));
  return Queries.filters.first(ligands);
  },
  