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Protein Data Bank exchange dictionary (pdbx) version 1.0521
_pdbx_entity_src_gen_express.step_id
Name:'_pdbx_entity_src_gen_express.step_id'
Definition:
This item is the unique identifier for this expression step.
Type: int
Mandatory item: yes
Category: pdbx_entity_src_gen_express
International Tables for Crystallography
Volume G: Definition and exchange of crystallographic data
Edited by S. R. Hall and B. McMahon
![[International Tables Vol. G]](https://www.iucr.org/__data/assets/image/0014/11156/g.gif) |
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An essential guide and reference to CIF for programmers, data managers handling crystal-structure information and practising crystallographers.
