Chains and heterogens:
PDB Chain Sequences:
>2x4fA (A:) mghhhhhhssgvdlgtenlyfqsmknsgdqdsrsghneakevwsnadltermpvkskrts alavdipappapfdhrivtakqgavnsfytvskteilgggrfgqvhkceetatglklaak iiktrgmkdkeevkneisvmnqldhanliqlydafeskndivlvmeyvdggelfdriide synlteldtilfmkqicegirhmhqmyilhldlkpenilcvnrdakqikiidfglarryk preklkvnfgtpeflapevvnydfvsfptdmwsvgviaymllsglspflgdndaetlnni lacrwdledeefqdiseeakefiskllikekswrisasealkhpwlsdhklhsrlsaqkk knrgsdaqdfvtk
>2x4fA (A:) dipappapfdhrivtakqgavnsfytvskteilgqvhkceetatglklaakiiktrgmkd keevkneisvmnqldhanliqlydafeskndivlvmeyvdggelfdriidesynlteldt ilfmkqicegirhmhqmyilhldlkpenilcvnrdakqikiidfglarrykpreklkvnf gtpeflapevvnydfvsfptdmwsvgviaymllsglspflgdndaetlnnilacrwdled eefqdiseeakefiskllikekswrisasealkhpwlsdhklhsrlsaq
>2x4fB (B:) mghhhhhhssgvdlgtenlyfqsmknsgdqdsrsghneakevwsnadltermpvkskrts alavdipappapfdhrivtakqgavnsfytvskteilgggrfgqvhkceetatglklaak iiktrgmkdkeevkneisvmnqldhanliqlydafeskndivlvmeyvdggelfdriide synlteldtilfmkqicegirhmhqmyilhldlkpenilcvnrdakqikiidfglarryk preklkvnfgtpeflapevvnydfvsfptdmwsvgviaymllsglspflgdndaetlnni lacrwdledeefqdiseeakefiskllikekswrisasealkhpwlsdhklhsrlsaqkk knrgsdaqdfvtk
>2x4fB (B:) ipappapfdhrivtakqgavnsfytvskteilggggqvhkceetatglklaakiiktrgm kdkeevkneisvmnqldhanliqlydafeskndivlvmeyvdggelfdriidesynltel dtilfmkqicegirhmhqmyilhldlkpenilcvnrdakqikiidfglarrykpreklkv nfgtpeflapevvnydfvsfptdmwsvgviaymllsglspflgdndaetlnnilacrwdl edeefqdiseeakefiskllikekswrisasealkhpwlsdhklhsrl