>4mtdB (B:) SEQRES residues mektttqellaqaekicaqrnvrltpqrlevlrlmslqdgaisaydlldllreaepqakp ptvyraldflleqgfvhkvestnsyvlchlfdqpthtsamficdrcgavkeecaegvedi mhtlaakmgfalrhnvieahglcaacveveacrhpeqcqhdhsvqvkkkpr