Chains and heterogens:
PDB Chain Sequences:
>3blpX (X:) eyssntqqgrtsivhlfewrwvdialecerylapkgfggvqvsppnenvaihnpfrpwwe ryqpvsyklctrsgnedefrnmvtrcnnvgvriyvdavinhmcgnavsagtsstcgsyfn pgsrdfpavpysgwdfndgkcktgsgdienyndatqvrdcrlsglldlalgkdyvrskia eymnhlidigvagfridaskhmwpgdikaildklhnlnsnwfpegskpfiyqevidlgge pikssdyfgngrvtefkygaklgtvirkwngekmsylknwgegwgfmpsdralvfvdnhd nqrghgaggasiltfwdarlykmavgfmlahpygftrvmssyrwpryfengkdvndwvgp pndngvtkevtinpdttcgndwvcehrarqirnmvnfrnvvdgqpftnwydngsnqvafg rgnrgfivfnnddwtfsltlqtglpagtycdvisgdkingnctgikiyvsddgkahfsis nsaedpfiaihaeskl