function [matrix, matrixInfo]  = blosum100
%BLOSUM100 Clustered Scoring Matrix in 1/3 Bit Units
%   Blocks Database = /data/blocks_5.0/blocks.dat
%   Cluster Percentage: >= 100
%   Entropy =   1.4516, Expected Score =  -1.0948
%   Lowest Score = -10, Highest Score = 17
%
%   Order:
%   A  R  N  D  C  Q  E  G  H  I  L  K  M  F  P  S  T  W  Y  V  B  Z  X  *
%
%   [MATRIX,MATRIXINFO] = BLOSUM100 returns a structure of information about
%   the matrix with fields Name, Scale, Entropy, Expected and Order.

% Source:  ftp://ftp.ncbi.nih.gov/blast/matrices/
%   $Revision: 1.5 $ 

matrix = [...
   8 -3 -4 -5 -2 -2 -3 -1 -4 -4 -4 -2 -3 -5 -2  1 -1 -6 -5 -2 -4 -2 -2 -10 ;...
  -3 10 -2 -5 -8  0 -2 -6 -1 -7 -6  3 -4 -6 -5 -3 -3 -7 -5 -6 -4 -1 -3 -10 ;...
  -4 -2 11  1 -5 -1 -2 -2  0 -7 -7 -1 -5 -7 -5  0 -1 -8 -5 -7  5 -2 -3 -10 ;...
  -5 -5  1 10 -8 -2  2 -4 -3 -8 -8 -3 -8 -8 -5 -2 -4 -10 -7 -8  6  0 -4 -10 ;...
  -2 -8 -5 -8 14 -7 -9 -7 -8 -3 -5 -8 -4 -4 -8 -3 -3 -7 -6 -3 -7 -8 -5 -10 ;...
  -2  0 -1 -2 -7 11  2 -5  1 -6 -5  2 -2 -6 -4 -2 -3 -5 -4 -5 -2  5 -2 -10 ;...
  -3 -2 -2  2 -9  2 10 -6 -2 -7 -7  0 -5 -8 -4 -2 -3 -8 -7 -5  0  7 -3 -10 ;...
  -1 -6 -2 -4 -7 -5 -6  9 -6 -9 -8 -5 -7 -8 -6 -2 -5 -7 -8 -8 -3 -5 -4 -10 ;...
  -4 -1  0 -3 -8  1 -2 -6 13 -7 -6 -3 -5 -4 -5 -3 -4 -5  1 -7 -2 -1 -4 -10 ;...
  -4 -7 -7 -8 -3 -6 -7 -9 -7  8  2 -6  1 -2 -7 -5 -3 -6 -4  4 -8 -7 -3 -10 ;...
  -4 -6 -7 -8 -5 -5 -7 -8 -6  2  8 -6  3  0 -7 -6 -4 -5 -4  0 -8 -6 -3 -10 ;...
  -2  3 -1 -3 -8  2  0 -5 -3 -6 -6 10 -4 -6 -3 -2 -3 -8 -5 -5 -2  0 -3 -10 ;...
  -3 -4 -5 -8 -4 -2 -5 -7 -5  1  3 -4 12 -1 -5 -4 -2 -4 -5  0 -7 -4 -3 -10 ;...
  -5 -6 -7 -8 -4 -6 -8 -8 -4 -2  0 -6 -1 11 -7 -5 -5  0  4 -3 -7 -7 -4 -10 ;...
  -2 -5 -5 -5 -8 -4 -4 -6 -5 -7 -7 -3 -5 -7 12 -3 -4 -8 -7 -6 -5 -4 -4 -10 ;...
   1 -3  0 -2 -3 -2 -2 -2 -3 -5 -6 -2 -4 -5 -3  9  2 -7 -5 -4 -1 -2 -2 -10 ;...
  -1 -3 -1 -4 -3 -3 -3 -5 -4 -3 -4 -3 -2 -5 -4  2  9 -7 -5 -1 -2 -3 -2 -10 ;...
  -6 -7 -8 -10 -7 -5 -8 -7 -5 -6 -5 -8 -4  0 -8 -7 -7 17  2 -5 -9 -7 -6 -10 ;...
  -5 -5 -5 -7 -6 -4 -7 -8  1 -4 -4 -5 -5  4 -7 -5 -5  2 12 -5 -6 -6 -4 -10 ;...
  -2 -6 -7 -8 -3 -5 -5 -8 -7  4  0 -5  0 -3 -6 -4 -1 -5 -5  8 -7 -5 -3 -10 ;...
  -4 -4  5  6 -7 -2  0 -3 -2 -8 -8 -2 -7 -7 -5 -1 -2 -9 -6 -7  6  0 -4 -10 ;...
  -2 -1 -2  0 -8  5  7 -5 -1 -7 -6  0 -4 -7 -4 -2 -3 -7 -6 -5  0  6 -2 -10 ;...
  -2 -3 -3 -4 -5 -2 -3 -4 -4 -3 -3 -3 -3 -4 -4 -2 -2 -6 -4 -3 -4 -2 -3 -10 ;...
  -10 -10 -10 -10 -10 -10 -10 -10 -10 -10 -10 -10 -10 -10 -10 -10 -10 -10 -10 -10 -10 -10 -10  1 ;...
    ];

if nargout >1
    matrixInfo.Name = 'BLOSUM100';
    matrixInfo.Scale = 1/3;
    matrixInfo.Entropy = 1.4516;
    matrixInfo.ExpectedScore = -1.0948;
    matrixInfo.HighestScore = 17;
    matrixInfo.LowestScore = -10;
    matrixInfo.Order = 'ARNDCQEGHILKMFPSTWYVBZX*';
end