_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

Crystallographic Information Framework