Data Item _pdbx_soln_scatter.protein_length
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General 
- Item name
- _pdbx_soln_scatter.protein_length
- Category name
- pdbx_soln_scatter
- Attribute name
- protein_length
- Required in PDB entries
- no
- Used in current PDB entries
- Yes, in about 0.02 % of entries
Item Description
The length (or range) of the protein sample under study.
If the solution structure is approximated as an elongated elliptical
cyclinder the length L is determined from,
L = sqrt [12( (R_G)2 - (R_XS)2 ) ]
The length should also be given by
L = pi I(0) / [ I(Q).Q]_Q->0
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|^-]*