text: def to_biopython_SeqRecord(item, selection='all', structure_indices='all', syntaxis='MolSysMT'):
  
      from molsysmt.tools.aminoacids1 import is_string_aminoacids1
      from molsysmt.basic import convert
  
      if not is_string_aminoacids1(item):
          raise ValueError
  
      tmp_item = convert(item, to_form='biopython.SeqRecord', selection=selection,
              structure_indices=structure_indices, syntaxis=syntaxis)
  
      return tmp_item
  
  