DNA2

DNA replication helicase/nuclease 2

Key enzyme involved in DNA replication and DNA repair in nucleus and mitochondrion. Involved in Okazaki fragments processing by cleaving long flaps that escape FEN1: flaps that are longer than 27 nucleotides are coated by replication protein A complex (RPA), leading to recruit DNA2 which cleaves the flap until it is too short to bind RPA and becomes a substrate for FEN1. Also involved in 5'-end resection of DNA during double-strand break (DSB) repair: recruited by BLM and mediates the cleavage of 5'-ssDNA, while the 3'-ssDNA cleavage is prevented by the presence of RPA. Also involved in DNA replication checkpoint independently of Okazaki fragments processing. Possesses different enzymatic activities, such as single-stranded DNA (ssDNA)-dependent ATPase, 5'-3' helicase and endonuclease activities. While the ATPase and endonuclease activities are well-defined and play a key role in Okazaki fragments processing and DSB repair, the 5'-3' DNA helicase activity is subject to debate. According to various reports, the helicase activity is weak and its function remains largely unclear. Helicase activity may promote the motion of DNA2 on the flap, helping the nuclease function.

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Proteins (2)

Type

Over-Expression Lysate (2)

Target

DNA2 (2)

Publications

No (2)

Tag

Myc-DDK (Flag) (2)

Species

Human (1)

Source

293T Cells (1)

HEK 293 Cells (1)

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DNA2 Protein (Over-Expression Lysate Myc-DDK (Flag)) (Full Length) - LS-G119324

Source:

HEK 293 Cells

Tag:

Myc-DDK (Flag)

Molecular Weight:

129.5 kDa

Price:

100 µg/$710

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Human DNA2 Protein (Over-Expression Lysate Myc-DDK (Flag)) (Full Length) - LS-G76656

Source:

293T Cells

Tag:

Myc-DDK (Flag)

Molecular Weight:

129.5 kDa

Price:

20 µg/$215

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