Chains and heterogens:
PDB Chain Sequences:
>1biyA (A:) aprknvrwctisqpewlkchrwqwrmkklgapsitcvrrafvleciraitekkadavtld ggmvfeagldpyklrpvaaeiygtkespqthyyavavvkkgsnfqldqlqgrnschtglg rsagwnipmgilrpylswtesleplqgavakffsascvpcvdrqaypnlcqlckgegenq cacsprepyfgysgafkclqdgagdvafvkettvfenlpekadrdqyellclnntrapvd afkechlaqvpshavvarsvdgkedliwkllskaqekfgknksgsfqlfgsppgqrdllf kdsalgflripskvdsalylgsryltalknlretaeevqarrarvvwcavgpeeqkkcqq wsqqsgqivtcatasttddcialvlkgeadalsldggyiytagkcglvpvlaenrksskh ssldcvlrptegylavavvkkanegltwnslkgkkschtavdrtagwnipmglianqtgs cafdeffsqscapgadpksrlcalcagddqgldkcvpnskekyygytgafrclaedvgdv afvkndtvwentngestadwaknlnredfrllcldgtrkpvteaqschlavapnhavvsl seraahveqvllhqqalfgengkncpdkfclfksetknllfndnteclaklggrptyeey lgteyvtaianlkkcstsplleacafltr