>3NCP_1|Chains A, B, C, D|Nitrogen regulatory protein P-II (GlnB-2)|Archaeoglobus fulgidus (2234) MKKIEAIVRAEKFPEVKAALEERGFYGMTVTDVKGRGQQGGMQIQFRGRTMEVTLLPKVKLEIVVKDDAVEEVIGLIVNSAFTGSPGDGKIFIIPVEDVVRIRTGERGDDSLEHHHHHH