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INTERNATIONAL TABLES for CRYSTALLOGRAPHY |
Volume G |
Definition and Exchange of Crystallographic Data |
Definition:
This data item assigns the atom to a substructure of the component, if appropriate.
Type: ucode
Mandatory item: no
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main | main chain of an amino acid |
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side | side chain of an amino acid |
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base | base of a nucleic acid |
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phos | phosphate of a nucleic acid |
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sugar | sugar of a nucleic acid |
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none | not appropriate for this monomer |
Category: chem_comp_atom
Copyright © 2005 International Union of Crystallography