>1y6jA (A:) observed residues (from ATOM records)
rskvaiigagfvgasaaftmalrqtanelvlidvfaigeamdinhglpfmgqmslydysd
vkdcdvivvtagatrldlakknvmiakevtqnimkyynhgvilvvsnpvdiitymiqkws
glpvgkvigsgtvldsirfryllseklgvdvknvhgyiigehgdsqlplwscthiagkni
neydkkkiaedvktagatiiknkgatyygiavsintivetllknqntirtvgtvingmyg
iedvaislpsivnsegvqevlqfnltpeeeealrfsaeqvkkvlnevkn