5u4i is a 11 chain structure with sequence from Escherichia coli and Escherichia coli K-12. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
RF2_ECOLI Peptide chain release factor 2 directs the termination of translation in response to the peptide chain termination codons UGA and UAA.[HAMAP-Rule:MF_00094]