Chains and heterogens:
PDB Chain Sequences:
>1bvnP (P:) qyapqtqsgrtdivhlfewrwvdialecerylgpkgfggvqvsppnenvvvtnpsrpwwe ryqpvsyklctrsgnenefrdmvtrcnnvgvriyvdavinhmcgsgaaagtgttcgsycn pgsrefpavpysawdfndgkcktasggiesyndpyqvrdcqlvglldlalekdyvrsmia dylnklidigvagfrldaskhmwpgdikavldklhnlntnwfpagsrpfifqevidlgge aissseyfgngrvtefkygaklgtvvrkwsgekmsylknwgegwgfmpsdralvfvdnhd nqrghgaggssiltfwdarlykvavgfmlahpygftrvmssyrwarnfvngedvndwigp pnnngvikevtinadttcgndwvcehrwreirnmvwfrnvvdgqpfanwwdngsnqvafg rgnrgfivfnnddwqlsstlqtglpggtycnvisgdkvgnsctgikvyvssdgtaqfsis nsaqdpfiaihaeskl
>1bvnT (T:) vsepapscvtlyqswrysqadngcaetvtvkvvyeddteglcyavapgqittvgdgyigs hgharylarcl