Chains and heterogens:
PDB Chain Sequences:
>1f2pA (A:) apdiplanvkahltqlstiaannggnrahgrpgykasvdyvkakldaagytttlqqftsg gatgynlianwpggdpnkvlmagahldsvssgagindngsgsaavletalavsragyqpd khlrfawwgaeelgligskfyvnnlpsadrsklagylnfdmigspnpgyfvydddpviek tfknyfaglnvpteietegdgrsdhapfknvgvpvgglftgagytksaaqaqkwggtagq afdrcyhsscdslsnindtaldrnsdaaahaiwtlssgtgeppt
>1f2pA (A:) apdiplanvkahltqlstiaannggnrahgrpgykasvdyvkakldaagytttlqqftsg gatgynlianwpggdpnkvlmagahldsvssgagindngsgsaavletalavsragyqpd khlrfawwgaeelgligskfyvnnlpsadrsklagylnfdmigspnpgyfvydddpviek tfknyfaglnvpteietersdhapfknvgvpvgglftgagytksaaqaqkwggtagqafd rcyhsscdslsnindtaldrnsdaaahaiwtlss