An electrical connector has an insulating housing defining a front wall. Like other mismatch repair genes which are mutated in certain cancers, MED1, encoding nucleic acids, proteins and antibodies thereto may be used to advantage in genetic or cancer screening assays. The radio data communication terminal produces contents production information to be published in a homepage server, and transmits the contents production information as a mail to a mail server together with a command for execution of the contents production information. Thus, the structural assembly can be formed by joining multiple members that are generally smaller than the finished assembly.