Ribonuclease H2 subunit B

Definition:

Non catalytic subunit of RNase H2, an endonuclease that specifically degrades the RNA of RNA:DNA hybrids. Participates in DNA replication, possibly by mediating the removal of lagging-strand Okazaki fragment RNA primers during DNA replication. Mediates the excision of single ribonucleotides from DNA:RNA duplexes.

References:

[1]. Yanick J Crow, et al. Mutations in genes encoding ribonuclease H2 subunits cause Aicardi-Goutières syndrome and mimic congenital viral brain infection. Nat Genet. 2006 Aug;38(8):910-6. [Content Brief]

[2]. Małgorzata Figiel, et al. The structural and biochemical characterization of human RNase H2 complex reveals the molecular basis for substrate recognition and Aicardi-Goutières syndrome defects. J Biol Chem. 2011 Mar 25;286(12):10540-50. [Content Brief]

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