Data Item _chem_shift_ref.ref_type

General

Item name
_chem_shift_ref.ref_type
Category name
chem_shift_ref
Attribute name
ref_type
Required in PDB entries
no
Used in currrent PDB entries
No

Item Description

The reference type may be either direct (against a value measured with a chemical compound) or indirect (calculated from chemical shift ratios).

Item Example

 
direct

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
direct
indirect

Controlled Vocabulary at Deposition

Allowed Value Details
direct
indirect