Chains and heterogens:
PDB Chain Sequences:
>2hffA (A:) diqmtqspsslsasvgdrvtitcrasqdvstavawyqqkpgkapklliysasflysgvps rfsgsgsgtdftltisslqpedfatyycqqsritpptfgqgtkveikrtvaapsvfifpp sdeqlksgtasvvcllnnfypreakvqwkvdnalqsgnsqesvteqdskdstyslsstlt lskadyekhkvyacevthqglsspvtksfnrgec
>2hffA (A:) iqmtqspsslsasvgdrvtitcrasqdvstavawyqqkpgkapklliysasflysgvpsr fsgsgsgtdftltisslqpedfatyycqqsritpptfgqgtkveikrtvaapsvfifpps deqlksgtasvvcllnnfypreakvqwkvdnalqsgnsqesvteqdskdstyslsstltl skadyekhkvyacevthqglsspvtksfnrgec
>2hffB (B:) evqlvesggglvqpggslrlscaasgftissnsihwvrqapgkglewvawitpsdgntdy adsvkgrftisadtskntaylqmnslraedtavyycarrvcynrlgvcaggmdywgqgtl vtvssastkgpsvfplapsskstsggtaalgclvkdyfpepvtvswnsgaltsgvhtfpa vlqssglyslssvvtvpssslgtqtyicnvnhkpsntkvdkkvepkscdkth
>2hffB (B:) evqlvesggglvqpggslrlscaasgftissnsihwvrqapgkglewvawitpsdgntdy adsvkgrftisadtskntaylqmnslraedtavyycarrvcyaggmdywgqgtlvtvssa stkgpsvfplapsgtaalgclvkdyfpepvtvswnsgaltsgvhtfpavlqssglyslss vvtvpssslgtqtyicnvnhkpsntkvdkkvepk
>2hffH (H:) evqlvesggglvqpggslrlscaasgftissnsihwvrqapgkglewvawitpsdgntdy adsvkgrftisadtskntaylqmnslraedtavyycarrvcynrlgvcaggmdywgqgtl vtvssastkgpsvfplapsskstsggtaalgclvkdyfpepvtvswnsgaltsgvhtfpa vlqssglyslssvvtvpssslgtqtyicnvnhkpsntkvdkkvepkscdkth
>2hffH (H:) evqlvesggglvqpggslrlscaasgftissnsihwvrqapgkglewvawitpsdgntdy adsvkgrftisadtskntaylqmnslraedtavyycarrvcaggmdywgqgtlvtvssas tkgpsvfplapsgtaalgclvkdyfpepvtvswnsgaltsgvhtfpavlqssglyslssv vtvpssslgtqtyicnvnhkpsntkvdkkvep
>2hffL (L:) diqmtqspsslsasvgdrvtitcrasqdvstavawyqqkpgkapklliysasflysgvps rfsgsgsgtdftltisslqpedfatyycqqsritpptfgqgtkveikrtvaapsvfifpp sdeqlksgtasvvcllnnfypreakvqwkvdnalqsgnsqesvteqdskdstyslsstlt lskadyekhkvyacevthqglsspvtksfnrgec
>2hffL (L:) diqmtqspsslsasvgdrvtitcrasqdvstavawyqqkpgkapklliysasflysgvps rfsgsgsgtdftltisslqpedfatyycqqsritpptfgqgtkveikrtvaapsvfifpp sdeqlksgtasvvcllnnfypreakvqwkvdnalqsgnsqesvteqdskdstyslsstlt lskadyekhkvyacevthqglsspvtksfnr