Crystallographic Information Framework

[CIF logo]

Index

Protein Data Bank exchange dictionary (pdbx) version 1.0521

_ndb_struct_conf_na.feature

Name:
'_ndb_struct_conf_na.feature'

Definition:

   This data item identifies a secondary structure
   feature of this entry.  

Type: line

Mandatory item: yes


The data value must be one of the following:


'double helix'
.

'a-form double helix'
.

'b-form double helix'
.

'z-form double helix'
.

'other right-handed double helix'
.

'triple helix'
.

'quadruple helix'
.

'parallel strands'
.

'internal loop'
.

'bulge loop'
.

tetraloop
.

'hairpin loop'
.

'two-way junction'
.

'three-way junction'
.

'four-way junction'
.

'mismatched base pair'
.

Category: ndb_struct_conf_na