Chains and heterogens:
PDB Chain Sequences:
>1fc7A (A:) mvtseqllfleawravdrayvdksfngqswfklretylkkepmdrraqtydairkllavl ddpftrflepsrlaalrrgtagsvtgvgleitydggsgkdvvvltpapggpaekagarag dvivtvdgtavkglslydvsdllqgeadsqvevvlhapgapsntrtlqltrqkvtinpvt fttcsnvaaaalppgaakqqlgyvrlatfnsnttaaaqqaftelskqgvaglvldirnng gglfpagvnvarmlvdrgdlvliadsqgirdiysadgnsidsatplvvlvnrgtasasev lagalkdskrgliagertfgkgliqtvvdlsdgsgvavtvaryqtpagvdinkigvspdv qldpevlptdlegvcrvlgsdaaprlfg
>1fc7A (A:) vtseqllfleawravdrayvdksfngqswfklretylkkepmdrraqtydairkllavld dpftrflepsrlaalrrgtagsvtgvgleitydggsgkdvvvltpapggpaekagaragd vivtvdgtavkglslydvsdllqgeadsqvevvlhapgapsntrtlqltrqkvtinpvtf ttcsnvaaaalppgaakqqlgyvrlatfnsnttaaaqqaftelskqgvaglvldirnngg glfpagvnvarmlvdrgdlvliadsqgirdiysadgnsidsatplvvlvnrgtasasevl agalkdskrgliagertfgkgliqtvvdlsdgsgvavtvaryqtpagvdinkigvspdvq ldpevlptdlegvcrvlgsdaaprlf