A Dictionary Description Language for Macromolecular Struture

John D. Westbrook
Nucleic Acid Database Project
Department of Chemistry
Rutgers, The State University of New Jersey

and

Sydney R. Hall
Crystallography Center
University of Western Australia

This Draft Introductory Document Version 1.9 prepared by John Westbrook

Please direct comments on this document to jwest@rutchem.rutgers.edu.

• Contents
• Background
  • What is a DDL?
  • The New DDL Data Model
  • The New DDL Specification
• DDL Definitions Describing Categories
  • CATEGORY
  • CATEGORY_EXAMPLES
  • CATEGORY_GROUP
  • CATEGORY_GROUP_LIST
  • A CATEGORY_GROUP_LIST Example
  • CATEGORY_METHODS
  • CATEGORY_KEY
  • SUB_CATEGORY
  • SUB_CATEGORY_EXAMPLES
  • SUB_CATEGORY_METHODS
• DDL Definitions Describing Data Items
  • ITEM
  • ITEM_ALIASES
  • ITEM_DEFAULT
  • ITEM_DEPENDENT
  • ITEM_DESCRIPTION
  • ITEM_ENUMERATION
  • ITEM_EXAMPLES
  • ITEM_LINKED
  • ITEM_METHODS
  • ITEM_RANGE
  • ITEM_RELATED
  • ITEM_STRUCTURE
  • ITEM_STRUCTURE_LIST
  • ITEM_SUB_CATEGORY
  • ITEM_TYPE
  • ITEM_TYPE_CONDITIONS
  • ITEM_TYPE_LIST
  • An Example of the ITEM_TYPE_LIST Category
  • ITEM_UNITS
  • ITEM_UNITS_CONVERSION
  • ITEM_UNITS_LIST
• DDL Definitions Describing Methods
  • METHOD_LIST
• DDL Definitions Describing Dictionaries and Data Blocks
  • DATABLOCK
  • DATABLOCK_METHODS
  • DICTIONARY
  • DICTIONARY_HISTORY
• References
• About this document ...