PDBx/mmCIF
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Data Item
_ndb_struct_na_base_pair_step.helical_rise
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General
Item name
_ndb_struct_na_base_pair_step.helical_rise
Category name
ndb_struct_na_base_pair_step
Attribute name
helical_rise
Required in PDB entries
no
Used in current PDB entries
Yes, in about 7.2 % of entries
Item Description
The value of the base pair step helical rise parameter.
Data Type
Data type code
float
Data type detail
float item types are the subset of numbers that are the floating numbers.
Primitive data type code
numb
Regular expression
-?(([0-9]+)[.]?|([0-9]*[.][0-9]+))([(][0-9]+[)])?([eE][+-]?[0-9]+)?