Chains and heterogens:
PDB Chain Sequences:
>3wkiA (A:) mstetipdvrrlralqaevheeltenilkfwatrthdpvhggfvgrvgpdgrphpeaprg ailnarilwtfaaayrqlgtplyremaerayryfvrhfvdaehggvywmvaadgrpldtr khvyaqsfaiyalsewhratggeaalalarsiydliethcadrvhggyveacdrawrple darlsakdapeprsmnthlhvleayanlyrvwpetelaarlqalielflraiyhpatghl ilffderwrprsravsfghdieaswllleavdvlgqatlrprvqqaslhlaratlaegra pdgslyyeigeqghldtdrhwwpqaealvgflnayqesgevlfyeaaedvwryirerqrd trggewfarvrddgapypddkvdfwkgpyhngracleaiqrlrhllehvrsr
>3wkiA (A:) tetipdvrrlralqaevheeltenilkfwatrthdpvhggfvgrvgpdgrphpeaprgai lnarilwtfaaayrqlgtplyremaerayryfvrhfvdaehggvywmvaadgrpldtrkh vyaqsfaiyalsewhratggeaalalarsiydliethcadrvhggyveacdrawrpleda rlsakdapeprsmnthlhvleayanlyrvwpetelaarlqalielflraiyhpatghlil ffderwrprsravsfghdieaswllleavdvlgqatlrprvqqaslhlaratlaegrapd gslyyeigeqghldtdrhwwpqaealvgflnayqesgevlfyeaaedvwryirerqrdtr ggewfarvrddgapypddkvdfwkgpyhngracleaiqrlrhllehv