>3sdnA (A:) observed residues (from ATOM records) vlsegewqlvlhvwakveadvaghgqdilirlfkshpetlekfdrfkhlkteaemkased lkkhivtvltalgailkkkghheaelkplaqshatkhkipikylefiseaiihvlhsrhp gdfgadaqgamnkalelfrkdiaakykelgyq