Data Item _atom_site.label_alt_id
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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 42.3 % 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 
- _atom_site_anisotrop.pdbx_label_alt_id
- _atom_sites_alt.id
- _geom_angle.atom_site_label_alt_id_1
- _geom_angle.atom_site_label_alt_id_2
- _geom_angle.atom_site_label_alt_id_3
- _geom_bond.atom_site_label_alt_id_1
- _geom_bond.atom_site_label_alt_id_2
- _geom_contact.atom_site_label_alt_id_1
- _geom_contact.atom_site_label_alt_id_2
- _geom_hbond.atom_site_label_alt_id_A
- _geom_hbond.atom_site_label_alt_id_D
- _geom_hbond.atom_site_label_alt_id_H
- _geom_torsion.atom_site_label_alt_id_1
- _geom_torsion.atom_site_label_alt_id_2
- _geom_torsion.atom_site_label_alt_id_3
- _geom_torsion.atom_site_label_alt_id_4
- _pdbx_domain_range.beg_label_alt_id
- _pdbx_domain_range.end_label_alt_id
- _pdbx_feature_monomer.label_alt_id
- _pdbx_refine_component.label_alt_id
- _pdbx_remediation_atom_site_mapping.label_alt_id
- _pdbx_sequence_range.beg_label_alt_id
- _pdbx_sequence_range.end_label_alt_id
- _pdbx_solvent_atom_site_mapping.label_alt_id
- _pdbx_stereochemistry.label_alt_id
- _pdbx_stereochemistry.label_alt_id_u
- _pdbx_stereochemistry.label_alt_id_v
- _pdbx_stereochemistry.label_alt_id_w
- _pdbx_struct_conn_angle.ptnr1_label_alt_id
- _pdbx_struct_conn_angle.ptnr2_label_alt_id
- _pdbx_struct_conn_angle.ptnr3_label_alt_id
- _pdbx_struct_group_component_range.beg_label_alt_id
- _pdbx_struct_group_component_range.end_label_alt_id
- _pdbx_struct_group_components.label_alt_id
- _pdbx_val_angle.label_alt_id_1
- _pdbx_val_angle.label_alt_id_2
- _pdbx_val_angle.label_alt_id_3
- _pdbx_val_bond.label_alt_id_1
- _pdbx_val_bond.label_alt_id_2
- _pdbx_val_contact.label_alt_id_1
- _pdbx_val_contact.label_alt_id_2
- _pdbx_val_sym_contact.label_alt_id_1
- _pdbx_val_sym_contact.label_alt_id_2
- _pdbx_validate_chiral.label_alt_id
- _pdbx_validate_close_contact.label_alt_id_1
- _pdbx_validate_close_contact.label_alt_id_2
- _pdbx_validate_main_chain_plane.label_alt_id
- _pdbx_validate_peptide_omega.label_alt_id_1
- _pdbx_validate_peptide_omega.label_alt_id_2
- _pdbx_validate_planes.label_alt_id
- _pdbx_validate_polymer_linkage.label_alt_id_1
- _pdbx_validate_polymer_linkage.label_alt_id_2
- _pdbx_validate_rmsd_angle.label_alt_id_1
- _pdbx_validate_rmsd_angle.label_alt_id_2
- _pdbx_validate_rmsd_angle.label_alt_id_3
- _pdbx_validate_rmsd_bond.label_alt_id_1
- _pdbx_validate_rmsd_bond.label_alt_id_2
- _pdbx_validate_symm_contact.label_alt_id_1
- _pdbx_validate_symm_contact.label_alt_id_2
- _pdbx_validate_torsion.label_alt_id
- _struct_conn.pdbx_ptnr1_label_alt_id
- _struct_conn.pdbx_ptnr2_label_alt_id
- _struct_conn.pdbx_ptnr3_label_alt_id
- _struct_conn.ptnr1_label_alt_id
- _struct_conn.ptnr2_label_alt_id
- _struct_mon_nucl.label_alt_id
- _struct_mon_prot.label_alt_id
- _struct_mon_prot_cis.label_alt_id
- _struct_site_gen.label_alt_id
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. |