>2XKO_2|Chains C, D|PIPX|SYNECHOCOCCUS ELONGATUS (1140) MASENYLNHPTFGLLYQICSFGDSKELFATLYAQRLFFLVAFDARGTRFEPIGRNEARMLVDNRLRQLRRDASLQEYNQLQQVFKQTFL >2XKO_1|Chains A, B|GLOBAL NITROGEN REGULATOR|SYNECHOCOCCUS ELONGATUS (1140) MLANENSLLTMFRELGSGKLPLQIEQFERGKTIFFPGDPAERVYLLVKGAVKLSRVYESGEEITVALLRENSVFGVLSLLTGQRSDRFYHAVAFTPVQLFSVPIEFMQKALIERPELANVMLQGLSSRILQTEMMIETLAHRDMGSRLVSFLLILCRDFGIPSPDGITIDLKLSHQAIAEAIGSTRVTVTRLLGDLRESKLIAIHKKRITVFNPVALSQQFS