Chains and heterogens:
PDB Chain Sequences:
>4perA (A:) yfqgmdldiqceeinpsrwaellstmkscstirlddcnlsssnckdlssiihtnpslkel klnnnelgdagieylckglltpscslqklwlqncnltsascetlrsvlsaqpsltelhvg dnklgtagvkvlcqglmnpncklqklqleyceltadivealnaalqakptlkelslsnnt lgdtavkqlcrglveascdlellhlencgitsdscrdisavlsskpslldlavgdnkigd tglallcqgllhpnckiqklwlwdcdltsasckdlsrvfstketllevslidnnlrdsgm emlcqalkdpkahlqelwvrecgltaacckavssvlsvnkhlqvlhigenklgnagveil cegllhpncnihslwlgncditaaccatlanvmvtkqnlteldlsyntledegvmklcea vrnpnckmqqlilydifwgpevddelkaleearpdvkiis
>4perA (A:) yfqgmdldiqceeinpsrwaellstmkscstirlddcnlsssnckdlssiihtnpslkel klnnnelgdagieylckglltpslqklwlqncnltsascetlrsvlsaqpsltelhvgdn klgtagvkvlcqglmnpncklqklqleyceltadivealnaalqakptlkelslsnntlg dtavkqlcrglveascdlellhlencgitsdscrdisavlsskpslldlavgdnkigdtg lallcqgllhpnckiqklwlwdcdltsasckdlsrvfstketllevslidnnlrdsgmem lcqalkdpkahlqelwvrecgltaacckavssvlsvnkhlqvlhigenklgnagveilce gllhpncnihslwlgncditaaccatlanvmvtkqnlteldlsyntledegvmklceavr npnckmqqlilydifwgpevddelkaleearpdvkiis
>4perB (B:) ptyqdflrthvdfpktsfpniaaycnvmmvrrginvhgrckslntfvhtdprnlntlcin qpnralrttqqqlpvtdcklirshptcsytgnqfnhrvrvgcwgglpvhldgt
>4perB (B:) ptyqdflrthvdktsfpniaaycnvmmvrrginvhgrckslntfvhtdprnlntinqpnr alrttqqqlpvtdcklirshptcsytgnqfnhrvrvgcwgglpvhldgt