In E. coli, two clusters of five ter sites each, including terK, -I, -E, -D, and -A on one side and terC, -B, -F, -G, and -H on the other, are located 100 kb on either side of this termination region.
Each set of ter sites is specific for one direction of fork movement
#Unit 3. Fundamental Processes#Mechanism of DNA synthesis in Prokaryotes#Part B Pointers