Data Item _atom_chem_shift.ambiguity_code

General

Item name
_atom_chem_shift.ambiguity_code
Category name
atom_chem_shift
Attribute name
ambiguity_code
Required in PDB entries
no
Used in currrent PDB entries
No

Item Description

Ambiguity codes are used to define chemical shifts that have not been assigned to specific atoms in the molecule studied. Ambiguity in chemical shifts may exist at several different levels, stereospecific ambiguity, intra and inter residue ambiguities, etc.

Data Type

Data type code
int
Data type detail
int item types are the subset of numbers that are the negative or positive integers.
Primitive data type code
numb
Regular expression
-?[0-9]+

Controlled Vocabulary

Allowed Value Details
1
2
3
4
5
6
9

Controlled Vocabulary at Deposition

Allowed Value Details
1
2
3
4
5
6
9