Data Item _pdbx_reference_entity_link.link_class

General

Item name
_pdbx_reference_entity_link.link_class
Category name
pdbx_reference_entity_link
Attribute name
link_class
Required in PDB entries
no
Used in currrent PDB entries
No
Used in the BIRD dictionary
Yes
Used in the Chemical Component dictionary
Yes

Item Description

A code indicating the entity types involved in the linkage.

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*|+-]*

Controlled Vocabulary

Allowed Value Details
NN non-polymer non-polymer
NP non-polymer polymer
PN polymer non-polymer
PP polymer polymer

Controlled Vocabulary at Deposition

Allowed Value Details
NN non-polymer non-polymer
NP non-polymer polymer
PN polymer non-polymer
PP polymer polymer