Both RNase E and its homologue RNase G are endoribonucleases that play central roles in RNA processing. RNase E shows two globular domains. This entry represents the smaller domain, which shows a thioredoxin-like fold [1-3].

1: Structure of Escherichia coli RNase E catalytic domain and implications for RNA turnover. Callaghan AJ, Marcaida MJ, Stead JA, McDowall KJ, Scott WG, Luisi BF; Nature. 2005;437:1187-1191. PMID:16237448

2: The crystal structure of the Escherichia coli RNase E apoprotein and a mechanism for RNA degradation. Koslover DJ, Callaghan AJ, Marcaida MJ, Garman EF, Martick M, Scott WG, Luisi BF; Structure. 2008;16:1238-1244. PMID:18682225

3: Substrate Recognition and Autoinhibition in the Central Ribonuclease RNase E. Bandyra KJ, Wandzik JM, Luisi BF; Mol Cell. 2018;72:275-285. PMID:30270108