>1xn6A (A:) SEQRES residues meqqntlndikqtivfnasiqkvwsvvstaegiaswfmpndfvlevghefhvqspfgpsp ckvleidepnhlsfswdtdgwvvsfdlkdlgdnkteftlihggwkhpdeilpkanakssi irdrmsggwvaivneklkkvveg