Data Item _cell.Z_PDB

General

Item name
_cell.Z_PDB
Category name
cell
Attribute name
Z_PDB
Required in PDB entries
no
Used in current PDB entries
Yes, in about 93.1 % of entries

Item Description

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.

Data Type

Data type code
int
Data type detail
int item types are the subset of numbers that are the negative or positive integers.
Primitive data type code
numb
Regular expression
-?[0-9]+

Allowed Boundary Conditions

Minimum Value Maximum Value
1

+∞