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Protein Data Bank exchange dictionary (pdbx) version 1.0521
_cell.Z_PDB
Name:'_cell.Z_PDB'
Definition:
The number of the polymeric chains in a unit cell. In the case of heteropolymers, Z is the number of occurrences of the most populous chain. This data item is provided for compatibility with the original Protein Data Bank format, and only for that purpose.
Type: int
Mandatory item: no
The permitted range is [1, infinity)
Category: cell