github.com/biogo/biogo@v1.0.4/align/matrix/matrices/PAM150 (about)

     1  #
     2  # This matrix was produced by "pam" Version 1.0.6 [28-Jul-93]
     3  #
     4  # PAM 150 substitution matrix, scale = ln(2)/2 = 0.346574
     5  #
     6  # Expected score = -1.25, Entropy = 0.754 bits
     7  #
     8  # Lowest score = -7, Highest score = 12
     9  #
    10     A  R  N  D  C  Q  E  G  H  I  L  K  M  F  P  S  T  W  Y  V  B  Z  X  *
    11  A  3 -2  0  0 -2 -1  0  1 -2 -1 -2 -2 -1 -4  1  1  1 -6 -3  0  0  0 -1 -7
    12  R -2  6 -1 -2 -4  1 -2 -3  1 -2 -3  3 -1 -4 -1 -1 -2  1 -4 -3 -2  0 -1 -7
    13  N  0 -1  3  2 -4  0  1  0  2 -2 -3  1 -2 -4 -1  1  0 -4 -2 -2  3  1 -1 -7
    14  D  0 -2  2  4 -6  1  3  0  0 -3 -5 -1 -3 -6 -2  0 -1 -7 -4 -3  3  2 -1 -7
    15  C -2 -4 -4 -6  9 -6 -6 -4 -3 -2 -6 -6 -5 -5 -3  0 -3 -7  0 -2 -5 -6 -3 -7
    16  Q -1  1  0  1 -6  5  2 -2  3 -3 -2  0 -1 -5  0 -1 -1 -5 -4 -2  1  4 -1 -7
    17  E  0 -2  1  3 -6  2  4 -1  0 -2 -4 -1 -2 -6 -1 -1 -1 -7 -4 -2  2  4 -1 -7
    18  G  1 -3  0  0 -4 -2 -1  4 -3 -3 -4 -2 -3 -5 -1  1 -1 -7 -5 -2  0 -1 -1 -7
    19  H -2  1  2  0 -3  3  0 -3  6 -3 -2 -1 -3 -2 -1 -1 -2 -3  0 -3  1  1 -1 -7
    20  I -1 -2 -2 -3 -2 -3 -2 -3 -3  5  1 -2  2  0 -3 -2  0 -5 -2  3 -2 -2 -1 -7
    21  L -2 -3 -3 -5 -6 -2 -4 -4 -2  1  5 -3  3  1 -3 -3 -2 -2 -2  1 -4 -3 -2 -7
    22  K -2  3  1 -1 -6  0 -1 -2 -1 -2 -3  4  0 -6 -2 -1  0 -4 -4 -3  0  0 -1 -7
    23  M -1 -1 -2 -3 -5 -1 -2 -3 -3  2  3  0  7 -1 -3 -2 -1 -5 -3  1 -3 -2 -1 -7
    24  F -4 -4 -4 -6 -5 -5 -6 -5 -2  0  1 -6 -1  7 -5 -3 -3 -1  5 -2 -5 -5 -3 -7
    25  P  1 -1 -1 -2 -3  0 -1 -1 -1 -3 -3 -2 -3 -5  6  1  0 -6 -5 -2 -2 -1 -1 -7
    26  S  1 -1  1  0  0 -1 -1  1 -1 -2 -3 -1 -2 -3  1  2  1 -2 -3 -1  0 -1  0 -7
    27  T  1 -2  0 -1 -3 -1 -1 -1 -2  0 -2  0 -1 -3  0  1  4 -5 -3  0  0 -1 -1 -7
    28  W -6  1 -4 -7 -7 -5 -7 -7 -3 -5 -2 -4 -5 -1 -6 -2 -5 12 -1 -6 -5 -6 -4 -7
    29  Y -3 -4 -2 -4  0 -4 -4 -5  0 -2 -2 -4 -3  5 -5 -3 -3 -1  8 -3 -3 -4 -3 -7
    30  V  0 -3 -2 -3 -2 -2 -2 -2 -3  3  1 -3  1 -2 -2 -1  0 -6 -3  4 -2 -2 -1 -7
    31  B  0 -2  3  3 -5  1  2  0  1 -2 -4  0 -3 -5 -2  0  0 -5 -3 -2  3  2 -1 -7
    32  Z  0  0  1  2 -6  4  4 -1  1 -2 -3  0 -2 -5 -1 -1 -1 -6 -4 -2  2  4 -1 -7
    33  X -1 -1 -1 -1 -3 -1 -1 -1 -1 -1 -2 -1 -1 -3 -1  0 -1 -4 -3 -1 -1 -1 -1 -7
    34  * -7 -7 -7 -7 -7 -7 -7 -7 -7 -7 -7 -7 -7 -7 -7 -7 -7 -7 -7 -7 -7 -7 -7  1