>2CG4_1|Chains A, B|REGULATORY PROTEIN ASNC|ESCHERICHIA COLI (562) MENYLIDNLDRGILEALMGNARTAYAELAKQFGVSPETIHVRVEKMKQAGIITGARIDVSPKQLGYDVGCFIGIILKSAKDYPSALAKLESLDEVTEAYYTTGHYSIFIKVMCRSIDALQHVLINKIQTIDEIQSTETLIVLQNPIMRTIKP