Protein Data Bank exchange dictionary (pdbx) version 1.0521
_pdbx_validate_symm_contact.label_alt_id_1
Name:'_pdbx_validate_symm_contact.label_alt_id_1'
Definition:
An optional identifier of the first of the two atoms that define the close contact. This data item is a pointer to _atom_site.label_alt.id in the ATOM_SITE category.
Type: code
Mandatory item: no
Category: pdbx_validate_symm_contact