4PP4:
reference: Structures of minute virus of mice replication initiator protein N-terminal domain: Insights into DNA nicking and origin binding., Tewary SK, Liang L, Lin Z, Lynn A, Cotmore SF, Tattersall P, Zhao H, Tang L, Virology. 2014 Dec 17;476C:61-71. doi: 10.1016/j.virol.2014.11.022. PMID: 25528417

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