2n3s is a 1 chain structure with sequence from Burkholderia thailandensis E264. Full experimental information is available from OCA. For a guided tour on the structure components use FirstGlance.
IF1_BURTA No specific function has so far been attributed to this initiation factor; however, it seems to stimulate more or less all the activities of the other two initiation factors, IF-2 and IF-3.