Data Item _atom_site.label_alt_id

General

Item name
_atom_site.label_alt_id
Category name
atom_site
Attribute name
label_alt_id
Required in PDB entries
yes
Used in current PDB entries
Yes, in about 39.4 % of entries

Item Description

A place holder to indicate alternate conformation. The alternate conformation can be an entire polymer chain, or several residues or partial residue (several atoms within one residue). If an atom is provided in more than one position, then a non-blank alternate location indicator must be used for each of the atomic positions.

Data Type

Data type code
code
Data type detail
code item types/single words ...
Primitive data type code
char
Regular expression
[][_,.;:"&<>()/\{}'`~!@#$%A-Za-z0-9*|+-]*

Child Data Items

Subcategories

Subcategory Name Subcategory Description
mm_atom_site_label The collection of alt id, asym id, atom id, comp id and seq id
components of the label for a macromolecular atom site.