Chains and heterogens:
PDB Chain Sequences:
>2brd_ (-) rpewiwlalgtalmglgtlyflvkgmgvsdpdakkfyaittlvpaiaftmylsmllgygl tmvpfggeqnpiywaryadwlfttplllldlallvdadqgtilalvgadgimigtglvga ltkvysyrfvwwaistaamlyilyvlffgftskaesmrpevastfkvlrnvtvvlwsayp vvwligsegagivplnietllfmvldvsakvgfglillrsra