>2XZW_1|Chains A, B, C, D, E, F, G, H, I|NITROGEN REGULATORY PROTEIN P-II|SYNECHOCOCCUS ELONGATUS (1140) MKKIEAIIRPFKLDEVKIALVNAGIVGMTVSEVRGFGRQKGQTERYRGSEYTVEFLQKLKLEIVVEDAQVDTVIDKIVAAARTGEIGDGKIFVSPVDQTIRIRTGEKNADAISAW