ES_ALIGN_MODELS [metabolite_ids, reaction_ids, metabolite_indices_list, reaction_indices_list] = es_align_models(model_list,field_metabolite_id,field_reaction_id) fields of 'r': [metabolite_ids, reaction_ids, metabolite_indices_list, reaction_indices_list] how: 'union' or 'intersection' 'intersection' -> items common to all models 'union' -> items appearing in any model