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Macromolecular dictionary (mmCIF) version 2.0.09

_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