PDBx/mmCIF
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IHMCIF
flrCIF
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Original mmCIF
NMRIF/NMR-STAR
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Data Item
_item_range.name
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General
Item name
_item_range.name
Category name
item_range
Attribute name
name
Required in PDB entries
implicit
Used in currrent PDB entries
No
Item Description
Name of data item ...
Data Type
Data type code
name
Data type detail
A data item name (restrictive type)
Primitive data type code
uchar
Regular expression
_[_A-Za-z0-9]+[.][][_A-Za-z0-9\<\>%/-]+
Parent Data Items
_item.name