# Amino acid counts for 36 Prokaryotic Signal Peptides,
# from von Heijne (1986), Nucl. Acids. Res. 14:4683-4690
#
# The cleavage site is between +1 and -1
#
Sample: 36 aligned sequences
#
# R -13 -12 -11 -10  -9  -8  -7  -6  -5  -4  -3  -2  -1  +1  +2 Expect
# - --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ------
  A  10   8   8   9   6   7   5   6   7   7  24   2  31  18   4   3.2
  C   1   0   0   1   1   0   0   1   1   0   0   0   0   0   0   1.0
  D   0   0   0   0   0   0   0   0   0   0   0   0   0   2   8   2.0
  E   0   0   0   0   0   0   0   0   0   0   0   1   0   4   8   2.2
  F   2   4   3   4   1   1   8   0   4   1   0   7   0   1   0   1.3
  G   4   2   2   2   3   5   2   4   2   2   0   2   2   1   0   2.7
  H   0   0   1   0   0   0   0   1   1   0   0   7   0   1   0   0.8
  I   3   1   5   1   5   0   1   3   0   0   0   0   0   0   2   1.7
  K   0   0   0   0   0   0   0   0   0   1   0   2   0   3   0   2.5
  L   8  11   9   8   9  13   1   0   2   2   1   2   0   0   1   2.7
  M   0   2   1   1   3   2   3   0   1   2   0   4   0   0   1   0.6
  N   0   0   0   0   0   0   0   1   1   1   0   3   0   1   4   1.6
  P   0   1   1   1   1   1   2   3   5   2   0   0   0   0   5   1.7
  Q   0   0   0   0   0   0   0   0   2   2   0   3   0   0   1   1.4
  R   0   0   0   0   0   0   0   0   0   0   0   0   0   1   0   1.7
  S   1   0   1   4   4   1   5  15   5   8   5   2   2   0   0   2.6
  T   2   0   4   2   2   2   2   2   5   1   3   0   1   1   2   2.2
  V   5   7   1   3   1   4   7   0   0   4   3   0   0   2   0   2.5
  W   0   0   0   0   0   0   0   0   0   0   0   0   0   1   0   0.4
  Y   0   0   0   0   0   0   0   0   0   3   0   1   0   0   0   1.3