Data type: char
Must appear in a looped list containing '_geom_contact_atom_site_label_'
no 'do not include distance in special list'
n 'abbreviation for "no"'
yes 'do include distance in special list'
y 'abbreviation for "yes"'
Enumeration default: no
This code signals if the contact distance is referred to in a publication or should be placed in a list of significant contact distances.