![[CIF logo]](https://www.iucr.org/__data/assets/image/0015/131037/CIF_white.png "[CIF home page]")
![[CIF logo]](https://www.iucr.org/__data/assets/image/0003/125499/CIF_v2.5.jpg)
Macromolecular dictionary (mmCIF) version 2.0.09
_atom_site.label_alt_id
Name:'_atom_site.label_alt_id'
Definition:
A component of the identifier for this atom site. For further details, see the definition of the ATOM_SITE_ALT category. This data item is a pointer to _atom_sites_alt.id in the ATOM_SITES_ALT category.
Mandatory item: yes
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) |
contents | |
| indexes | ||
| sample pages | ||
| purchase | ||
| CIF dictionaries |
An essential guide and reference to CIF for programmers, data managers handling crystal-structure information and practising crystallographers.
