Chains and heterogens:
PDB Chain Sequences:
>4fqhA (A:) qvqlvqsgaevkkpgssvkvsckssggtsnnyaiswvrqapgqgldwmggispifgstay aqkfqgrvtisadifsntaymelnsltsedtavyfcarhgnyyyysgmdvwgqgttvtvs sastkgpsvfplapsskstsggtaalgclvkdyfpepvtvswnsgaltsgvhtfpavlqs sglyslssvvtvpssslgtqtyicnvnhkpsntkvdkrvepkschhhhhh
>4fqhA (A:) qvqlvqsgaevkkpgssvkvsckssggtsnnyaiswvrqapgqgldwmggispifgstay aqkfqgrvtisadifsntaymelnsltsedtavyfcarhgnyyyysgmdvwgqgttvtvs sastkgpsvfplapsskstsggtaalgclvkdyfpepvtvswnsgaltsgvhtfpavlqs sglyslssvvtvpssslgtqtyicnvnhkpsntkvdkrvepksc
>4fqhB (B:) qsaltqppavsgtpgqrvtiscsgsdsnigrrsvnwyqqfpgtapklliysndqrpsvvp drfsgsksgtsaslaisglqsedeaeyycaawddslkgavfgggtqltvlgqpkaapsvt lfppsseelqankatlvclisdfypgavtvawkadsspvkagvetttpskqsnnkyaass ylsltpeqwkshrsyscqvthegstvektvaptecs
>4fqhB (B:) saltqppavsgtpgqrvtiscsgsdsnigrrsvnwyqqfpgtapklliysndqrpsvvpd rfsgsksgtsaslaisglqsedeaeyycaawddslkgavfgggtqltvlgqpkaapsvtl fppsseelqankatlvclisdfypgavtvawkadsspvkagvetttpskqsnnkyaassy lsltpeqwkshrsyscqvthegstvektvapt
>4fqhH (H:) qvqlvqsgaevkkpgssvkvsckssggtsnnyaiswvrqapgqgldwmggispifgstay aqkfqgrvtisadifsntaymelnsltsedtavyfcarhgnyyyysgmdvwgqgttvtvs sastkgpsvfplapsskstsggtaalgclvkdyfpepvtvswnsgaltsgvhtfpavlqs sglyslssvvtvpssslgtqtyicnvnhkpsntkvdkrvepkschhhhhh
>4fqhH (H:) vqlvqsgaevkkpgssvkvsckssggtsnnyaiswvrqapgqgldwmggispifgstaya qkfqgrvtisadifsntaymelnsltsedtavyfcarhgnyyyysgmdvwgqgttvtvss astkgpsvfplapsskstsggtaalgclvkdyfpepvtvswnsgaltsgvhtfpavlqss glyslssvvtvpssslgtqtyicnvnhkpsntkvdkrvepks
>4fqhL (L:) qsaltqppavsgtpgqrvtiscsgsdsnigrrsvnwyqqfpgtapklliysndqrpsvvp drfsgsksgtsaslaisglqsedeaeyycaawddslkgavfgggtqltvlgqpkaapsvt lfppsseelqankatlvclisdfypgavtvawkadsspvkagvetttpskqsnnkyaass ylsltpeqwkshrsyscqvthegstvektvaptecs
>4fqhL (L:) saltqppavsgtpgqrvtiscsgsdsnigrrsvnwyqqfpgtapklliysndqrpsvvpd rfsgsksgtsaslaisglqsedeaeyycaawddslkgavfgggtqltvlgqpkaapsvtl fppsseelqankatlvclisdfypgavtvawkadsspvkagvetttpskqsnnkyaassy lsltpeqwkshrsyscqvthegstvektvapt