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Macromolecular dictionary (mmCIF) version 2.0.09

_struct_sheet_hbond.range_1_beg_label_atom_id

Name:
'_struct_sheet_hbond.range_1_beg_label_atom_id'

Definition:

   A component of the identifier for the residue for the first
   partner of the first hydrogen bond between two residue ranges
   in a sheet.

   This data item is a pointer to _atom_site.label_atom_id in the
   ATOM_SITE category.

Mandatory item: yes