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glossary:sec [2008/08/13 13:56]
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glossary:sec [2008/08/13 13:57] (current)
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 +{{tag>data}}
 +===== Sec files =====
  
 +This is a data file  created by the inhouse algorithm secmake. This gives information on all the secondary structure elements present within a particular protein structure.
 +
 +The number of secondary structures (as calculated by [[glossary:wolf | WOLF]] in the protein of interest is given, and then a list that, for each secondary structure, gives the following information:
 +
 +Secondary_Structure_Number Secondary_Structure_Type+ Start_Residue_of_Secondary_Structure Stop_Residue midpoint_x++ midpoint_y midpoint_z direction_x direction_y direction_z+++
 +
 +===============================
 +
 ++ S = [[glossary:beta_sheet |beta sheet ]], H = [[glossary:alpha_helix | alpha helix]].
 +
 +++ midpoint is the coordinates of the midpoint of the secondary struture.
 +
 ++++ direction is a unit vector in along the secondary structure from the start to the end.
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