>2BJ3_1|Chains A, B, C, D|NICKEL RESPONSIVE REGULATOR|PYROCOCCUS HORIKOSHII (70601)
MELIRFSISIPSKLLEKFDQIIEEIGYENRSEAIRDLIRDFIIRHEWEVGNEEVAGTITIVYNHDEGDVVKALLDLQHEYLDEIISSLHVHMDEHNCLEVIVVKGEAKKIKMIADKLLSLKGVKHGKLVMTSTGKELV