>5z7fA (A:) observed residues (from ATOM records)
glsdgewqqvlnvwgkveadiaghgqevlirlftghpetlekfdkfkhlkteaemkased
lkkhgtvaltalggilkkkghheaelkplaqshatkhkipikylefysdaiihvlhskhp
gdfgadaqgamtkalelfrndiaakykelgfq