helicase

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helicase

[′hel·ə‚kās]
(biochemistry)
An enzyme that is capable of unwinding the deoxyribonucleic acid double helix at a replication fork.
References in periodicals archive ?
While this is occurring, DNA helicase, SSBs, and (depending on the precise reaction mixture) some other accessory factors come in and unwind the new nascent strand from the original template.
The XPB and XPD DNA helicases are components of the p53-mediated apoptosis pathway.
The assay can be used for any enzyme class that produces ADP, including protein, lipid or carbohydrate kinases, ATPases, DNA helicases, and carboxyltransferases.