github.com/biogo/biogo@v1.0.4/align/matrix/matrices/PAM40 (about)

     1  #
     2  # This matrix was produced by "pam" Version 1.0.6 [28-Jul-93]
     3  #
     4  # PAM 40 substitution matrix, scale = ln(2)/2 = 0.346574
     5  #
     6  # Expected score = -4.27, Entropy = 2.26 bits
     7  #
     8  # Lowest score = -15, Highest score = 13
     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   6  -6  -3  -3  -6  -3  -2  -1  -6  -4  -5  -6  -4  -7  -1   0   0 -12  -7  -2  -3  -2  -3 -15
    12  R  -6   8  -5  -9  -7  -1  -8  -8  -1  -5  -8   1  -3  -8  -3  -2  -5  -1  -9  -7  -6  -3  -5 -15
    13  N  -3  -5   7   2  -9  -3  -1  -2   1  -4  -6   0  -7  -8  -5   0  -1  -7  -4  -7   6  -2  -3 -15
    14  D  -3  -9   2   7 -12  -2   3  -3  -3  -6 -11  -4  -9 -13  -7  -3  -4 -13 -10  -7   6   2  -5 -15
    15  C  -6  -7  -9 -12   9 -12 -12  -8  -7  -5 -13 -12 -12 -11  -7  -2  -7 -14  -3  -5 -11 -12  -8 -15
    16  Q  -3  -1  -3  -2 -12   8   2  -6   1  -7  -4  -2  -3 -11  -2  -4  -5 -11 -10  -6  -2   6  -4 -15
    17  E  -2  -8  -1   3 -12   2   7  -3  -4  -5  -8  -4  -6 -12  -5  -4  -5 -15  -8  -6   2   6  -4 -15
    18  G  -1  -8  -2  -3  -8  -6  -3   6  -8  -9  -9  -6  -7  -8  -5  -1  -5 -13 -12  -5  -2  -4  -4 -15
    19  H  -6  -1   1  -3  -7   1  -4  -8   9  -8  -5  -5  -9  -5  -3  -5  -6  -6  -3  -6  -1   0  -4 -15
    20  I  -4  -5  -4  -6  -5  -7  -5  -9  -8   8  -1  -5   0  -2  -7  -6  -2 -12  -5   2  -5  -5  -4 -15
    21  L  -5  -8  -6 -11 -13  -4  -8  -9  -5  -1   7  -7   1  -2  -6  -7  -6  -5  -6  -2  -8  -6  -5 -15
    22  K  -6   1   0  -4 -12  -2  -4  -6  -5  -5  -7   6  -1 -12  -6  -3  -2 -10  -8  -8  -2  -3  -4 -15
    23  M  -4  -3  -7  -9 -12  -3  -6  -7  -9   0   1  -1  11  -3  -7  -5  -3 -11 -10  -1  -8  -4  -4 -15
    24  F  -7  -8  -8 -13 -11 -11 -12  -8  -5  -2  -2 -12  -3   9  -9  -6  -8  -4   2  -7  -9 -12  -7 -15
    25  P  -1  -3  -5  -7  -7  -2  -5  -5  -3  -7  -6  -6  -7  -9   8  -1  -3 -12 -12  -5  -6  -3  -4 -15
    26  S   0  -2   0  -3  -2  -4  -4  -1  -5  -6  -7  -3  -5  -6  -1   6   1  -4  -6  -5  -1  -4  -2 -15
    27  T   0  -5  -1  -4  -7  -5  -5  -5  -6  -2  -6  -2  -3  -8  -3   1   7 -11  -6  -2  -2  -5  -3 -15
    28  W -12  -1  -7 -13 -14 -11 -15 -13  -6 -12  -5 -10 -11  -4 -12  -4 -11  13  -4 -14  -9 -13  -9 -15
    29  Y  -7  -9  -4 -10  -3 -10  -8 -12  -3  -5  -6  -8 -10   2 -12  -6  -6  -4  10  -6  -6  -8  -7 -15
    30  V  -2  -7  -7  -7  -5  -6  -6  -5  -6   2  -2  -8  -1  -7  -5  -5  -2 -14  -6   7  -7  -6  -4 -15
    31  B  -3  -6   6   6 -11  -2   2  -2  -1  -5  -8  -2  -8  -9  -6  -1  -2  -9  -6  -7   6   1  -4 -15
    32  Z  -2  -3  -2   2 -12   6   6  -4   0  -5  -6  -3  -4 -12  -3  -4  -5 -13  -8  -6   1   6  -4 -15
    33  X  -3  -5  -3  -5  -8  -4  -4  -4  -4  -4  -5  -4  -4  -7  -4  -2  -3  -9  -7  -4  -4  -4  -4 -15
    34  * -15 -15 -15 -15 -15 -15 -15 -15 -15 -15 -15 -15 -15 -15 -15 -15 -15 -15 -15 -15 -15 -15 -15   1