>5utbA (A:) observed residues (from ATOM records) mvlsegewqlvlhvwakveadvaghgqdilirlfkshpetlekfdrfkhlkteaemkase dlkkhgvtaltalgailkkkghheaelkplaqshatkhkipikylefyseaiihvlhsrh pgnfgadaqgamnkalelfrkdiaakykelgy