def print_entity_info(structure):
    """Prints information about unique entities (molecules) in a structure
    """
    print('*** ENTITY DATA ***')
    for i, e in enumerate(structure.entity_list):
        print(f"entity type            : {i} {e['type']}")
        print(f"entity description     : {i} {e['description']}")
        print(f"entity sequence        : {i} {e['sequence']}")
    print('\n')
