This domain is found at the N-terminal end of Type I topoisomerase from Deinococcus radiodurans and similar bacterial sequences. This small-sized protein modify DNA topology by cleaving and resealing one strand of duplex DNA. This domain compris ...
This domain is found at the N-terminal end of Type I topoisomerase from Deinococcus radiodurans and similar bacterial sequences. This small-sized protein modify DNA topology by cleaving and resealing one strand of duplex DNA. This domain comprises three alpha-helices plus a five strand antiparallel beta-sheet [1]. It is found associated with Pfam:PF01028.
Topoisomerase I promotes the relaxation of DNA superhelical tension by introducing a transient single-stranded break in duplex DNA and are vital for the processes of replication, transcription, and recombination [2].