Hetero atoms
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| - | In the [[PDB files|PDB data file format]] for macromolecular models, each atom is designated either ATOM or HETATM (which stands for ''hetero atom''). ATOM is reserved for atoms in [[standard residues]] of protein, DNA or RNA. HETATM is applied to [[non-standard residues]] of protein, DNA or RNA, as well as atoms in other kinds of groups, such as carbohydrates, substrates, [[ligands]], solvent, and metal ions. | + | In the [[PDB files|PDB data file format]] for macromolecular models, each atom is designated either ATOM or HETATM (which stands for ''hetero atom''). ATOM is reserved for atoms in [[Standard Residues|standard residues]] of protein, DNA or RNA. HETATM is applied to [[Non-Standard Residues|non-standard residues]] of protein, DNA or RNA, as well as atoms in other kinds of groups, such as carbohydrates, substrates, [[ligands]], solvent, and metal ions. |
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Revision as of 02:38, 26 December 2009
In the PDB data file format for macromolecular models, each atom is designated either ATOM or HETATM (which stands for hetero atom). ATOM is reserved for atoms in standard residues of protein, DNA or RNA. HETATM is applied to non-standard residues of protein, DNA or RNA, as well as atoms in other kinds of groups, such as carbohydrates, substrates, ligands, solvent, and metal ions.
