DNA helicase

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Helicases are enzymes that bind and may even remodel nucleic acid or nucleic acid protein complexes. There are DNA and RNA helicases. DNA helicases are essential during DNA replication because they separate double-stranded DNA into single strands allowing each strand to be copied.

Helicases are motor proteins that mostly separate double-stranded DNA, or RNA, while translocating along the duplex. DNA helicase is a crucial enzyme in molecular biology, playing an essential role in DNA replication, repair, and transcription.

Function

Helicases utilize ATP binding and hydrolysis to unwind double-stranded DNA or RNA, with various types exhibiting different translocation directions.

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