Macromolecular dictionary (mmCIF) version 2.0.09
_chemical_conn_bond.atom_1
Name:'_chemical_conn_bond.atom_1'
Definition:
This data item is a pointer to _chemical_conn_atom.number in the CHEMICAL_CONN_ATOM category.
Mandatory item: yes
Alias:_chemical_conn_bond_atom_1 (cif_core.dic version 2.0.1)