6B40:
reference: Transposon molecular domestication and the evolution of the RAG recombinase., Zhang Y, Cheng TC, Huang G, Lu Q, Surleac MD, Mandell JD, Pontarotti P, Petrescu AJ, Xu A, Xiong Y, Schatz DG, Nature. 2019 Apr 10. pii: 10.1038/s41586-019-1093-7. doi:, 10.1038/s41586-019-1093-7. PMID: 30971819

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