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This novel complex is a large \u223c15S RNP that contains numerous microRNAs (miRNAs). We describe 40 miRNAs, a few of which are identical to recently described human miRNAs, a class of small endogenous RNAs. The genomic sequences predict that miRNAs are likely to be derived from larger precursors that have the capacity to form stem\u2013loop structures.<\/jats:p>","DOI":"10.1101\/gad.974702","type":"journal-article","created":{"date-parts":[[2002,7,26]],"date-time":"2002-07-26T19:59:15Z","timestamp":1027713555000},"page":"720-728","source":"Crossref","is-referenced-by-count":886,"title":["miRNPs: a novel class of ribonucleoproteins containing numerous 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