XmlmmCIF equivalent: entity_name_com Data items in the ENTITY_NAME_COM category record the common name or names associated with the entity. In some cases, the entity name may not be the same as the name of the biological structure. For instance, hemoglobin alpha chain would be the entity common name, not hemoglobin. XmlmmCIF equivalent: entity_name_com/entity_id This data item is a pointer to _entity.id in the ENTITY category. XmlmmCIF equivalent: entity_name_com/name A common name for the entity.