Chains and heterogens:
PDB Chain Sequences:
>1y6jA (A:) memvksrskvaiigagfvgasaaftmalrqtanelvlidvfkekaigeamdinhglpfmg qmslyagdysdvkdcdvivvtaganrkpgetrldlakknvmiakevtqnimkyynhgvil vvsnpvdiitymiqkwsglpvgkvigsgtvldsirfryllseklgvdvknvhgyiigehg dsqlplwscthiagknineyiddpkcnfteedkkkiaedvktagatiiknkgatyygiav sintivetllknqntirtvgtvingmygiedvaislpsivnsegvqevlqfnltpeeeea lrfsaeqvkkvlnevknl
>1y6jA (A:) rskvaiigagfvgasaaftmalrqtanelvlidvfaigeamdinhglpfmgqmslydysd vkdcdvivvtagatrldlakknvmiakevtqnimkyynhgvilvvsnpvdiitymiqkws glpvgkvigsgtvldsirfryllseklgvdvknvhgyiigehgdsqlplwscthiagkni neydkkkiaedvktagatiiknkgatyygiavsintivetllknqntirtvgtvingmyg iedvaislpsivnsegvqevlqfnltpeeeealrfsaeqvkkvlnevkn