>1IBY_1|Chains A, B, C, D|NITROSOCYANIN|Nitrosomonas europaea (915) EHNFNVVINAYDTTIPELNVEGVTVKNIRAFNVLNEPETLVVKKGDAVKVVVENKSPISEGFSIDAFGVQEVIKAGETKTISFTADKAGAFTIWCQLHPKNIHLPGTLNVVE