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Aldolase/RraA Members of this family include regulator of ribonuclease E activity A (RraA) and 4-hydroxy-4-methyl-2-oxoglutarate (HMG)/4-carboxy- 4-hydroxy-2-oxoadipate (CHA) aldolase, also known as RraA-like protein. RraA acts as a trans-acting modulator of RNA turnover, binding essential endonuclease RNase E and inhibiting RNA processing. RraA-like proteins seem to contain aldolase and/or decarboxylase activity either in place of or in addition to the RNase E inhibitor functions.
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Jiyao W et al.(2023). "The conserved domain database in 2023.",