>1xntA (A:) SEQRES residues mpeirlrhvvscssqdsthcaenllkadtyrkwraakagektisvvlqlekeeqihsvdi gndgsafvevlvgssaggageqdyevllvtssfmspsesrsgsnpnrvrmfgpdklvraa aekrwdrvkivcsqpyskdspfglsfvrfhsppdkdeaeapsqkvtvtklgqfrvkeeee san