CaiA RNA motif
The "caiA" RNA motif is a conserved RNA structure that was discovered by bioinformatics. "caiA" motifs are found in Clostridiales. "caiA" RNAs are found upstream of genes whose protein products function as acyl CoA dehydrogenases, although in one case the annotated substrate is butyryl-CoA. "caiA" RNAs might regulate these genes (i.e. function as cis-regulatory elements), but it is also possible that their association with these genes is a coincidence.