Protein
DNA double-strand break repair helicase HerA
Organism
Sulfurisphaera tokodaii (strain DSM 16993 / JCM 10545 / NBRC 100140 / 7)
Function
Involved in DNA double-strand break (DSB) repair (PubMed:18243819). Acts probably with NurA to stimulate resection of the 5' strand and produce the long 3' single-strand that is required for RadA loading (By similarity). Exhibits DNA-dependent ATPase activity and DNA helicase activity (PubMed:18243819). Loads on either a 3' or a 5' DNA tail for subsequent DNA unwinding (PubMed:18243819). Can also unwind blunt-ended dsDNA, Holliday junction and splayed-arm DNA (PubMed:18243819).
Similarity
Belongs to the HerA family.
Sequence
MIIGYVVGSATTQEANVLLEKKVRSGYYVTLEYDDEKVLGLVTLITTGSPLVDDSLNDIELVQRIKQMGNKIPIYMKAKVKLLCKLDGKLSQPDLPPVAGTPVRLATNEELSTIFSEGTIRIGKLIGSDVEVRIRVNALTRHLAILAATGSGKSNTVAVLSSRLSEVFGSVLIFDYHGEYYESEIKNLNNIEPKINPLNLTPDEFATLLEIRENATIQYRILRRAFKSFLEETKEKLKNGNVNYNELNNNFRNLILKKVDEVSKNEKRKDSKDEVINKIEDFLDRYSEIIDFTAGDVVDKIKIGKVNVINLSSLDEDAIDAIVSHYLRKILTSRKENKMKRKIGLKFPVLVVIEEAHVLLSKDSNTLTKHWAGRIAREGRKFGVGLIIVSQRPKGIDENILSQMTNKIILKMVEPSDKKYVLETSDNLSEDIVEGLSALDTGEAVIVGNIVRMPAIVKIDKFEGKLAGSDPNLIEEWKKAKEEIEEHADVLNWGE