4F0Q:
reference: Structure and cleavage activity of the tetrameric MspJI DNA modification-dependent restriction endonuclease., Horton JR, Mabuchi MY, Cohen-Karni D, Zhang X, Griggs RM, Samaranayake M, Roberts RJ, Zheng Y, Cheng X, Nucleic Acids Res. 2012 Jul 30. PMID: 22848107

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