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. 2003 Aug 12;331(5):991–1004. doi: 10.1016/S0022-2836(03)00865-9

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Copyright © 2003 Elsevier Ltd. All rights reserved.

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Nidoviruses encode homologs of cellular enzymes involved in RNA processing. (A) The cellular pathways for processing of pre-U16 snoRNA and pre-tRNA splicing are summarized, with relevant enzymatic activities indicated. For details, see the text. Homologs of the highlighted enzymes have been identified in nidoviruses (see also Figure 1 and the text). (B) Table summarizing the conservation of homologs of the cellular enzymes presumably involved in RNA processing in SARS-CoV and different nidovirus groups.