Data Item _ndb_struct_na_base_pair_step.step_number
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General 
- Item name
- _ndb_struct_na_base_pair_step.step_number
- Category name
- ndb_struct_na_base_pair_step
- Attribute name
- step_number
- Required in PDB entries
- yes
- Used in current PDB entries
- Yes, in about 7.2 % of entries
Item Description
The sequence number of this step in the step sequence.
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]+