Protein
ATP-dependent DNA helicase Q1
Function
Isoform alpha is a DNA helicase that may play a role in the repair of DNA that is damaged by ultraviolet light or other mutagens. Isoform beta may have important roles in the meiotic process. Both isoforms exhibit a magnesium-dependent ATP-dependent DNA-helicase activity that unwinds single- and double-stranded DNA in a 3'-5' direction.
Similarity
Belongs to the helicase family. RecQ subfamily.
Sequence
MASVSALTEELESVASELHAIDIQIQELTERRQELLQRKSVLTGKIKQYLEDSSAEASSDLDTSPAAWNKEDFPWFGKVKDVLQNVFKLQKFRPLQLETINVTMARKDIFLVMPTGGGKSLCYQLPALCSDGFTLVICPLISLMEDQLMVLKQLGISATMLNASSSKEHVKWVHAEMVNKNSQLKLIYVTPEKIAKSKMFMSRLEKAYEAGRLTGAAVDEVHCCSQWGHDFRPDYKALGILKRQFPNASLMGLTATATNHVLKDVQKILCVGKCLTFTASFNRPNLFYEVRQKPSSAEDFTEDIVKLINGRYKGQSGIIYCFSQKDSEQITISLQKLGIHAGTYHANMEPEDKTKVHTQWSANELQVVVATVAFGMGIDKPDVRFVIHHSMSKSMENYYQESGRAGRDDSRADCILYYGFGDIFRISSMVVMENVGQQKLYEMVSYCQNVSKCRRVLIAQHFDEVWNADACNKMCDNCCKDVSFEKKNVTQHCRDLIKILKQAEGLNEKLTPLKLIDAWMGKGAAKLRVAGVVAPALPREDLERIVAHALLQQYLKEDYSFTAYATISYLKVGPRACLLSNEAHAVTMQVKKSAQSSVRGALSEARQVEQVDSKGEEQSSGNSQKSKSRLQPSGSKNAGAKKRKLDDA