Chains and heterogens:
PDB Chain Sequences:
>1fpoA (A:) mdyftlfglparyqldtqalslrfqdlqrqyhpdkfasgsqaeqlaavqqsatinqawqt lrhplmraeyllslhgfdlaseqhtvrdtaflmeqlelreeldeieqakdearlesfikr vkkmfdtrhqlmveqldnetwdaaadtcrklrfldklrssaeqleeklldf
>1fpoB (B:) mdyftlfglparyqldtqalslrfqdlqrqyhpdkfasgsqaeqlaavqqsatinqawqt lrhplmraeyllslhgfdlaseqhtvrdtaflmeqlelreeldeieqakdearlesfikr vkkmfdtrhqlmveqldnetwdaaadtcrklrfldklrssaeqleeklldf
>1fpoC (C:) mdyftlfglparyqldtqalslrfqdlqrqyhpdkfasgsqaeqlaavqqsatinqawqt lrhplmraeyllslhgfdlaseqhtvrdtaflmeqlelreeldeieqakdearlesfikr vkkmfdtrhqlmveqldnetwdaaadtcrklrfldklrssaeqleeklldf
>1fpoC (C:) mdyftlfglparyqldtqalslrfqdlqrqlaavqqsatinqawqtlrhplmraeyllsl hgfdlaseqhtvrdtaflmeqlelreeldeieqakdearlesfikrvkkmfdtrhqlmve qldnetwdaaadtcrklrfldklrssaeqleeklldf