Chains and heterogens:
PDB Chain Sequences:
>4up2A (A:) menfkhlpepfrirviepvkrttrayreeaiiksgmnpflldsedvfidlltdsgtgavt qsmqaammrgdeaysgsrsyyalaesvknifgyqytipthqgrgaeqiyipvlikkreqe kgldrskmvafsnyffdttqghsqingctvrnvyikeafdtgvrydfkgnfdleglergi eevgpnnvpyivatitsnsaggqpvslanlkamysiakkydipvvmdsarfaenayfikq reaeykdwtieqitretykyadmlamsakkdamvpmggllcmkddsffdvytecrtlcvv qegfptyggleggamerlavglydgmnldwlayriaqvqylvdgleeigvvcqqagghaa fvdagkllphipadqfpaqalacelykvagiraveigsfllgrdpktgkqlpcpaellrl tipratytqthmdfiieafkhvkenasnikgltftyepkvlrhftaklkev
>4up2A (A:) menfkhlpepfrirviepvkrttrayreeaiiksgmnpflldsedvfidlltdsgtgavt qsmqaammrgdeaysgsrsyyalaesvknifgyqytipthqgrgaeqiyipvlikkreqe kgldrskmvafsnyfctvrnvyikeafdtgvrydfkgnfdleglergieevgpnnvpyiv atitsnsaggqpvslanlkamysiakkydipvvmdsarfaenayfikqreaeykdwtieq itretykyadmlamsakkdamvpmggllcmkddsffgleggamerlavglydgmnldwla yriaqvqylvdgleeigvvcqqagghaafvdagkllphipadqfpaqalacelykvagir aveigpaellrltipratytqthmdfiieafkhvkenasnikgltftyepkvlrhftakl
>4up2B (B:) menfkhlpepfrirviepvkrttrayreeaiiksgmnpflldsedvfidlltdsgtgavt qsmqaammrgdeaysgsrsyyalaesvknifgyqytipthqgrgaeqiyipvlikkreqe kgldrskmvafsnyffdttqghsqingctvrnvyikeafdtgvrydfkgnfdleglergi eevgpnnvpyivatitsnsaggqpvslanlkamysiakkydipvvmdsarfaenayfikq reaeykdwtieqitretykyadmlamsakkdamvpmggllcmkddsffdvytecrtlcvv qegfptyggleggamerlavglydgmnldwlayriaqvqylvdgleeigvvcqqagghaa fvdagkllphipadqfpaqalacelykvagiraveigsfllgrdpktgkqlpcpaellrl tipratytqthmdfiieafkhvkenasnikgltftyepkvlrhftaklkev
>4up2B (B:) enfkhlpepfrirviepvkrttrayreeaiiksgmnpflldsedvfidlltdsgtgavtq smqaammrgdeaysgsrsyyalaesvknifgyqytipthqgrgaeqiyipvlikkreqek gldrskmvafsnyfctvrnvyikeafdtgvrydfkgnfdleglergieevgpnnvpyiva titsnsaggqpvslanlkamysiakkydipvvmdsarfaenayfikqreaeykdwtieqi tretykyadmlamsakkdamvpmggllcmkddsffdyggleggamerlavglydgmnldw layriaqvqylvdgleeigvvcqqagghaafvdagkllphipadqfpaqalacelykvag iraveigsfaellrltipratytqthmdfiieafkhvkenasnikglt
>4up2C (C:) menfkhlpepfrirviepvkrttrayreeaiiksgmnpflldsedvfidlltdsgtgavt qsmqaammrgdeaysgsrsyyalaesvknifgyqytipthqgrgaeqiyipvlikkreqe kgldrskmvafsnyffdttqghsqingctvrnvyikeafdtgvrydfkgnfdleglergi eevgpnnvpyivatitsnsaggqpvslanlkamysiakkydipvvmdsarfaenayfikq reaeykdwtieqitretykyadmlamsakkdamvpmggllcmkddsffdvytecrtlcvv qegfptyggleggamerlavglydgmnldwlayriaqvqylvdgleeigvvcqqagghaa fvdagkllphipadqfpaqalacelykvagiraveigsfllgrdpktgkqlpcpaellrl tipratytqthmdfiieafkhvkenasnikgltftyepkvlrhftaklkev
>4up2C (C:) fkhlpepfrirviepvkrttrayreeaiiksgmnpflldsedvfidlltdsgtgavtqsm qaammrgdeaysgsrsyyalaesvknifgyqytipthqgrgaeqiyipvlikkreqekgl drskmvafsnyfftvrnvyikeafdtgvrydfkgnfdleglergieevgpnnvpyivati tsnsaggqpvslanlkamysiakkydipvvmdsarfaenayfikqreaeykdwtieqitr etykyadmlamsakkdamvpmggllcmkddsffgleggamerlavglydgmnldwlayri aqvqylvdgleeigvvcqqagghaafvdagkllphipadqfpaqalacelykvagirave igspaellrltipratytqthmdfiieafkhvkenasnikgltf
>4up2D (D:) menfkhlpepfrirviepvkrttrayreeaiiksgmnpflldsedvfidlltdsgtgavt qsmqaammrgdeaysgsrsyyalaesvknifgyqytipthqgrgaeqiyipvlikkreqe kgldrskmvafsnyffdttqghsqingctvrnvyikeafdtgvrydfkgnfdleglergi eevgpnnvpyivatitsnsaggqpvslanlkamysiakkydipvvmdsarfaenayfikq reaeykdwtieqitretykyadmlamsakkdamvpmggllcmkddsffdvytecrtlcvv qegfptyggleggamerlavglydgmnldwlayriaqvqylvdgleeigvvcqqagghaa fvdagkllphipadqfpaqalacelykvagiraveigsfllgrdpktgkqlpcpaellrl tipratytqthmdfiieafkhvkenasnikgltftyepkvlrhftaklkev
>4up2D (D:) enfkhlpepfrirviepvkrttrayreeaiiksgmnpflldsedvfidlltdsgtgavtq smqaammrgdeaysgsrsyyalaesvknifgyqytipthqgrgaeqiyipvlikkreqek gldrskmvafsnyfvrnvyikeafdtgvrydfkgnfdleglergieevgpnnvpyivati tsnsaggqpvslanlkamysiakkydipvvmdsarfaenayfikqreaeykdwtieqitr etykyadmlamsakkdamvpmggllcmkddsfleggamerlavglydgmnldwlayriaq vqylvdgleeigvvcqqagghaafvdagkllphipadqfpaqalacelykvagiraveel lrltipratytqthmdfiieafkhvkenasnikgltf