Chains and heterogens:
PDB Chain Sequences:
>4k3xA (A:) adpgdqicigyhsnnstqtvntllesnvpvtsshsilekehngllcklkgkapldlidcs lpawlmgnpkcdelltasewayikedpepengicfpgdfdsledlillvsntdhfrkeki idmtrfsdvttnnvdsacpydtngasfyrnlnwvqqnkgkqlifhyqnsennplliiwgv hqtsnaaeqntyygsqtgsttitigeetntyplvisessilnghsdrinyfwgvvnpnqn fsivstgnfiwpeygyffqkttnisgiikssekisdcdticqtkigainstlpfqnihqn aigdcpkyvkaqelvlatglrnnpiketr
>4k3xA (A:) dqicigyhsnnstqtvntllesnvpvtsshsilekehngllcklkgkapldlidcslpaw lmgnpkcdelltasewayikedpepengicfpgdfdsledlillvsntdhfrkekiidmt rfsdvttnnvdsacpydtngasfyrnlnwvqqnkgkqlifhyqnsennplliiwgvhqts naaeqntyygsqtgsttitigeetntyplvisessilnghsdrinyfwgvvnpnqnfsiv stgnfiwpeygyffqkttnisgiikssekisdcdticqtkigainstlpfqnihqnaigd cpkyvkaqelvlatglrnnpik
>4k3xB (B:) glfgaiagfieggwqglidgwygyhhqnsegsgyaadkeatqkavdaittkvnniidkmn tqfestakefnkiemrikhlsdrvddgfldvwsynaellvllenertldfhdanvnnlyq kvkvqlkdnaidmgngcfkilhkcnntcmddikngtynyyeyrkeshlekqkidsgrlvp r
>4k3xB (B:) iagfieggwqglidgwygyhhqnsegsgyaadkeatqkavdaittkvnniidkmntqfes takefnkiemrikhlsdrvddgfldvwsynaellvllenertldfhdanvnnlyqkvkvq lkdnaidmgngcfkilhkcnntcmddikngtynyyeyrkeshlekqkids
>4k3xC (C:) adpgdqicigyhsnnstqtvntllesnvpvtsshsilekehngllcklkgkapldlidcs lpawlmgnpkcdelltasewayikedpepengicfpgdfdsledlillvsntdhfrkeki idmtrfsdvttnnvdsacpydtngasfyrnlnwvqqnkgkqlifhyqnsennplliiwgv hqtsnaaeqntyygsqtgsttitigeetntyplvisessilnghsdrinyfwgvvnpnqn fsivstgnfiwpeygyffqkttnisgiikssekisdcdticqtkigainstlpfqnihqn aigdcpkyvkaqelvlatglrnnpiketr
>4k3xC (C:) dqicigyhsnnstqtvntllesnvpvtsshsilekehngllcklkgkapldlidcslpaw lmgnpkcdelltasewayikedpepengicfpgdfdsledlillvsntdhfrkekiidmt rfsdvttnnvdsacpydtngasfyrnlnwvqqnkgkqlifhyqnsennplliiwgvhqts naaeqntyygsqtgsttitigeetntyplvisessilnghsdrinyfwgvvnpnqnfsiv stgnfiwpeygyffqkttnisgiikssekisdcdticqtkigainstlpfqnihqnaigd cpkyvkaqelvlatglrnnpik
>4k3xD (D:) glfgaiagfieggwqglidgwygyhhqnsegsgyaadkeatqkavdaittkvnniidkmn tqfestakefnkiemrikhlsdrvddgfldvwsynaellvllenertldfhdanvnnlyq kvkvqlkdnaidmgngcfkilhkcnntcmddikngtynyyeyrkeshlekqkidsgrlvp r
>4k3xD (D:) iagfieggwqglidgwygyhhqnsegsgyaadkeatqkavdaittkvnniidkmntqfes takefnkiemrikhlsdrvddgfldvwsynaellvllenertldfhdanvnnlyqkvkvq lkdnaidmgngcfkilhkcnntcmddikngtynyyeyrkeshlekqkids
>4k3xE (E:) adpgdqicigyhsnnstqtvntllesnvpvtsshsilekehngllcklkgkapldlidcs lpawlmgnpkcdelltasewayikedpepengicfpgdfdsledlillvsntdhfrkeki idmtrfsdvttnnvdsacpydtngasfyrnlnwvqqnkgkqlifhyqnsennplliiwgv hqtsnaaeqntyygsqtgsttitigeetntyplvisessilnghsdrinyfwgvvnpnqn fsivstgnfiwpeygyffqkttnisgiikssekisdcdticqtkigainstlpfqnihqn aigdcpkyvkaqelvlatglrnnpiketr
>4k3xE (E:) dqicigyhsnnstqtvntllesnvpvtsshsilekehngllcklkgkapldlidcslpaw lmgnpkcdelltasewayikedpepengicfpgdfdsledlillvsntdhfrkekiidmt rfsdvttnnvdsacpydtngasfyrnlnwvqqnkgkqlifhyqnsennplliiwgvhqts naaeqntyygsqtgsttitigeetntyplvisessilnghsdrinyfwgvvnpnqnfsiv stgnfiwpeygyffqkttnisgiikssekisdcdticqtkigainstlpfqnihqnaigd cpkyvkaqelvlatglrnnpik
>4k3xF (F:) glfgaiagfieggwqglidgwygyhhqnsegsgyaadkeatqkavdaittkvnniidkmn tqfestakefnkiemrikhlsdrvddgfldvwsynaellvllenertldfhdanvnnlyq kvkvqlkdnaidmgngcfkilhkcnntcmddikngtynyyeyrkeshlekqkidsgrlvp r
>4k3xF (F:) iagfieggwqglidgwygyhhqnsegsgyaadkeatqkavdaittkvnniidkmntqfes takefnkiemrikhlsdrvddgfldvwsynaellvllenertldfhdanvnnlyqkvkvq lkdnaidmgngcfkilhkcnntcmddikngtynyyeyrkeshlekqkids