A Biochemically Defined System for Coding Joint Formation in V(D)J Recombination

Haihui Lu, Noriko Shimazaki, Prafulla Raval, Jiafeng Gu, Go Watanabe, Klaus Schwarz, Patrick Swanson, Michael R. Lieber

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

V(D)J recombination is one of the most complex DNA transactions in biology. The RAG complex makes double-stranded breaks adjacent to signal sequences and creates hairpin coding ends. Here, we find that the kinase activity of the Artemis:DNA-PKcs complex can be activated by hairpin DNA ends in cis, thereby allowing the hairpins to be nicked and then to undergo processing and joining by nonhomologous DNA end joining. Based on these insights, we have reconstituted many aspects of the antigen receptor diversification of V(D)J recombination by using 13 highly purified polypeptides, thereby permitting variable domain exon assembly by using this fully defined system in accord with the 12/23 rule for this process. The features of the recombination sites created by this system include all of the features observed in vivo (nucleolytic resection, P nucleotides, and N nucleotide addition), indicating that most, if not all, of the end modification enzymes have been identified.

Original languageEnglish
Pages (from-to)485-497
Number of pages13
JournalMolecular Cell
Volume31
Issue number4
DOIs
StatePublished - Aug 22 2008

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V(D)J Recombination
Joints
DNA
DNA End-Joining Repair
Nucleotides
Antigen Receptors
Protein Sorting Signals
Genetic Recombination
Exons
Phosphotransferases
Peptides
Enzymes

All Science Journal Classification (ASJC) codes

  • Molecular Biology

Cite this

Lu, H., Shimazaki, N., Raval, P., Gu, J., Watanabe, G., Schwarz, K., ... Lieber, M. R. (2008). A Biochemically Defined System for Coding Joint Formation in V(D)J Recombination. Molecular Cell, 31(4), 485-497. https://doi.org/10.1016/j.molcel.2008.05.029

A Biochemically Defined System for Coding Joint Formation in V(D)J Recombination. / Lu, Haihui; Shimazaki, Noriko; Raval, Prafulla; Gu, Jiafeng; Watanabe, Go; Schwarz, Klaus; Swanson, Patrick; Lieber, Michael R.

In: Molecular Cell, Vol. 31, No. 4, 22.08.2008, p. 485-497.

Research output: Contribution to journalArticle

Lu, H, Shimazaki, N, Raval, P, Gu, J, Watanabe, G, Schwarz, K, Swanson, P & Lieber, MR 2008, 'A Biochemically Defined System for Coding Joint Formation in V(D)J Recombination', Molecular Cell, vol. 31, no. 4, pp. 485-497. https://doi.org/10.1016/j.molcel.2008.05.029
Lu H, Shimazaki N, Raval P, Gu J, Watanabe G, Schwarz K et al. A Biochemically Defined System for Coding Joint Formation in V(D)J Recombination. Molecular Cell. 2008 Aug 22;31(4):485-497. https://doi.org/10.1016/j.molcel.2008.05.029
Lu, Haihui ; Shimazaki, Noriko ; Raval, Prafulla ; Gu, Jiafeng ; Watanabe, Go ; Schwarz, Klaus ; Swanson, Patrick ; Lieber, Michael R. / A Biochemically Defined System for Coding Joint Formation in V(D)J Recombination. In: Molecular Cell. 2008 ; Vol. 31, No. 4. pp. 485-497.
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