Crystallographic Information Framework

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Index

Protein Data Bank exchange dictionary (pdbx) version 1.0521

_chem_comp_atom.substruct_code

Name:
'_chem_comp_atom.substruct_code'

Definition:

   This data item assigns the atom to a substructure of the
   component, if appropriate.

Type: ucode

Mandatory item: no


The data value must be one of the following:


main 		main chain of an amino acid

side 		side chain of an amino acid

base 		base of a nucleic acid

phos 		phosphate of a nucleic acid

sugar 		sugar of a nucleic acid

none 		not appropriate for this monomer

Category: chem_comp_atom


International Tables for Crystallography

Volume G: Definition and exchange of crystallographic data

First online edition (2006)

Edited by S. R. Hall and B. McMahon

An essential guide and reference to CIF for programmers, data managers handling crystal-structure information and practising crystallographers.