ydfK 5' UTR
Long 5' UTRs
An unusually long 349 nt 5' UTR of the ydfK mRNA can act as a thermosensing post-transcriptional regulator of YdfK translation (Raghaven, 2011).
Raghavan R, Sage A, Ochman H (2011) Genome-wide identification of transcription start sites yields a novel thermosensing RNA and new cyclic AMP receptor protein-regulated genes in Escherichia coli. J Bacteriol 193:2871-4