Data Item _pdbx_nmr_chem_shift_ref.chem_shift_units

General

Item name
_pdbx_nmr_chem_shift_ref.chem_shift_units
Category name
pdbx_nmr_chem_shift_ref
Attribute name
chem_shift_units
Required in PDB entries
yes
Used in currrent PDB entries
No

Item Description

Units for the chemical shift value assigned to the atoms of the chemical shift reference.

Item Example

 ppm

Data Type

Data type code
line
Data type detail
char item types / multi-word items ...
Primitive data type code
char
Regular expression
[][ \t_(),.;:"&<>/\{}'`~!@#$%?+=*A-Za-z0-9|^-]*

Controlled Vocabulary

Allowed Value Details
Hz Hertz
ppm parts per million

Controlled Vocabulary at Deposition

Allowed Value Details
Hz Hertz
ppm parts per million