5M1P:
reference: Viral genome packaging terminase cleaves DNA using the canonical RuvC-like two-metal catalysis mechanism., Xu RG, Jenkins HT, Chechik M, Blagova EV, Lopatina A, Klimuk E, Minakhin L, Severinov K, Greive SJ, Antson AA, Nucleic Acids Res. 2017 Jan 18. pii: gkw1354. doi: 10.1093/nar/gkw1354. PMID: 28100693

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