A character vector, as the input protein sequence.
aa
A character, the amino acid type. one of
'A', 'R', 'N', 'D', 'C',
'E', 'Q', 'G', 'H',
'I', 'L', 'K', 'M',
'F', 'P', 'S', 'T',
'W', 'Y', 'V'.
k
A positive integer, specifys the window size (half of the window),
default is 7.
Value
A named list, each component contains one of the
segmentations (a character string), names of the list components
are the positions of the specified amino acid in the sequence.
Details
This function extracts the segmentations from the protein sequence.