github.com/biogo/biogo@v1.0.4/align/matrix/matrices/PAM330 (about)

     1  #
     2  # This matrix was produced by "pam" Version 1.0.6 [28-Jul-93]
     3  #
     4  # PAM 330 substitution matrix, scale = ln(2)/4 = 0.173287
     5  #
     6  # Expected score = -0.693, Entropy = 0.210 bits
     7  #
     8  # Lowest score = -8, Highest score = 22
     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  1 -1  0  1 -2  0  0  1 -1  0 -2 -1 -1 -3  1  1  1 -6 -3  0  0  0  0 -8
    12  R -1  6  0 -1 -4  1 -1 -2  2 -2 -3  4  0 -4  0  0 -1  3 -4 -2  0  0 -1 -8
    13  N  0  0  2  2 -4  1  2  1  1 -2 -3  1 -1 -3  0  1  0 -4 -2 -1  2  1  0 -8
    14  D  1 -1  2  3 -5  2  3  1  1 -2 -4  0 -2 -5  0  0  0 -7 -4 -2  3  3  0 -8
    15  C -2 -4 -4 -5 15 -5 -5 -3 -3 -2 -6 -5 -5 -4 -3  0 -2 -8  1 -2 -4 -5 -3 -8
    16  Q  0  1  1  2 -5  3  2 -1  3 -2 -2  1 -1 -4  0  0  0 -5 -4 -2  1  3  0 -8
    17  E  0 -1  2  3 -5  2  3  1  1 -2 -3  0 -2 -5  0  0  0 -7 -4 -2  2  3  0 -8
    18  G  1 -2  1  1 -3 -1  1  5 -2 -2 -4 -1 -2 -5  0  1  0 -7 -5 -1  1  0 -1 -8
    19  H -1  2  1  1 -3  3  1 -2  6 -2 -2  0 -2 -2  0 -1 -1 -3  0 -2  1  2  0 -8
    20  I  0 -2 -2 -2 -2 -2 -2 -2 -2  4  3 -2  2  1 -2 -1  0 -5  0  4 -2 -2  0 -8
    21  L -2 -3 -3 -4 -6 -2 -3 -4 -2  3  6 -3  4  3 -2 -3 -1 -2  0  2 -3 -2 -1 -8
    22  K -1  4  1  0 -5  1  0 -1  0 -2 -3  5  0 -5 -1  0  0 -3 -4 -2  1  1 -1 -8
    23  M -1  0 -1 -2 -5 -1 -2 -2 -2  2  4  0  5  1 -2 -1  0 -4 -2  2 -2 -1  0 -8
    24  F -3 -4 -3 -5 -4 -4 -5 -5 -2  1  3 -5  1 10 -5 -3 -3  1  9 -1 -4 -5 -2 -8
    25  P  1  0  0  0 -3  0  0  0  0 -2 -2 -1 -2 -5  6  1  1 -6 -5 -1  0  0  0 -8
    26  S  1  0  1  0  0  0  0  1 -1 -1 -3  0 -1 -3  1  1  1 -3 -3 -1  1  0  0 -8
    27  T  1 -1  0  0 -2  0  0  0 -1  0 -1  0  0 -3  1  1  2 -5 -3  0  0  0  0 -8
    28  W -6  3 -4 -7 -8 -5 -7 -7 -3 -5 -2 -3 -4  1 -6 -3 -5 22  1 -6 -5 -6 -4 -8
    29  Y -3 -4 -2 -4  1 -4 -4 -5  0  0  0 -4 -2  9 -5 -3 -3  1 12 -2 -3 -4 -2 -8
    30  V  0 -2 -1 -2 -2 -2 -2 -1 -2  4  2 -2  2 -1 -1 -1  0 -6 -2  4 -2 -2  0 -8
    31  B  0  0  2  3 -4  1  2  1  1 -2 -3  1 -2 -4  0  1  0 -5 -3 -2  2  2  0 -8
    32  Z  0  0  1  3 -5  3  3  0  2 -2 -2  1 -1 -5  0  0  0 -6 -4 -2  2  3  0 -8
    33  X  0 -1  0  0 -3  0  0 -1  0  0 -1 -1  0 -2  0  0  0 -4 -2  0  0  0 -1 -8
    34  * -8 -8 -8 -8 -8 -8 -8 -8 -8 -8 -8 -8 -8 -8 -8 -8 -8 -8 -8 -8 -8 -8 -8  1