>1UL3_1|Chains A, B, C, D|Nitrogen regulatory protein P-II|Synechocystis sp. (1143) MKKVEAIIRPFKLDEVKIALVNAGIVGMTVSEVRGFGRQKGQTERYRGSEYTVEFLQKLKIEIVVDEGQVDMVVDKLVSAARTGEIGDGKIFISPVDSVVRIRTGEKDTEAI