National Center for Biotechnology Information NCBI NLM MEDLINE RNA animals pubmed abstract nih national institutes of health national library of medicine models research support female N.I.H. Extramural protein biosynthesis Transcription Factors / metabolism* Messenger / genetics in vitro techniques biological transcription factors / genetics cell cycle proteins / genetics cell cycle proteins / metabolism* mutagenesis amino acid substitution messenger / metabolism* transcription factors / chemistry site-directed xenopus proteins / genetics cdc2 protein kinase / metabolism* xenopus laevis joel d richter oocytes / metabolism xenopus proteins / metabolism* rna stability jong heon kim pmid:17938241 pmc2000322 doi:10.1101/gad.1593007 cdc2 protein kinase / genetics eukaryotic initiation factor-4g / genetics eukaryotic initiation factor-4g / metabolism poly(a)-binding proteins / genetics poly(a)-binding proteins / metabolism* xenopus proteins / chemistry mrna cleavage and polyadenylation factors / chemistry mrna cleavage and polyadenylation factors / genetics mrna cleavage and polyadenylation factors / metabolism*