>1ch9A (A:) SEQRES residues mvlsegewqlvlhvwakveadvaghgqdilirlfkshpetlekfdrfkhlkteaemkase dlkkhgvtvltalgailkkkghheaelkplaqshatkqkipikylefiseaiihvlhsrh pgnfgadaqgamnkalelfrkdiaakykelgyqg