>2f4lB (B:) SEQRES residues
mgsdkihhhhhhmkvvpaqrcvysfsanmapveevypgeqvvfetldalggsydkidfsk
vnpatgpvfvngvkpgdtlkvrikrielprrgmivtgkgfgvlgdevegfhtkeleiekw
avlfdgvripihpmvgvigvapqegeyptgtahrhggnmdtkeitenvtvhlpvfqegal
lalgdvhatmgdgevcvsacevpakvvveidvskeeikwpvvetndayyiivslpdieea
lkevtretvwfiqrrktipftdaymlaslsvdvgisqlvnpaktakaripkyiftgv