6bq9 is a 1 chain structure with sequence from Pseudomonas putida KT2440. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Q88DB5_PSEPK Topoisomerase IV is essential for chromosome segregation. It relaxes supercoiled DNA. Performs the decatenation events required during the replication of a circular DNA molecule.[HAMAP-Rule:MF_00936]