>2at2B (B:) SEQRES residues mkhlttmselsteeikdllqtaqelksgktdnqltgkfaanlffepstrtrfsfevaekk lgmnvlnldgtstsvqkgetlydtirtlesigvdvcvirhsedeyyeelvsqvnipilna gdgcgqhptqslldlmtiyeefntfkgltvsihgdikhsrvarsnaevltrlgarvlfsg psewqdeentfgtyvsmdeavessdvvmllriqnerhqsavsqegylnkygltveraerm krhaiimhpapvnrgveiddslveseksrifkqmkngvfirmaviqcalqtnvkrgeaay