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MicroRNAs (miRNAs) mediate post-transcriptional gene regulation through association with Argonaute proteins (AGOs). Crystal… Expand Docosahexaenoic acid (DHA), an omega-3 polyunsaturated fatty acid, is an essential component of membrane phosphatides and has… Expand We sequenced approximately 400,000 small RNAs from Caenorhabditis elegans. Another 18 microRNA (miRNA) genes were identified… Expand In most organisms, the conversion of -D-galactose to the more metabolically useful glucose 1-phosphate is accomplished by the… Expand A small protein, VPg, is covalently linked to the 5′ end of the plus-stranded poliovirus genomic RNA. Poliovirus messenger RNA… Expand ABSTRACT: The biological interconversion of galactose and glucose takes place only by way of the Leloir pathway and requires the… Expand From an analysis of current data on 16 protein structures with defined nucleotide-binding sites consensus motifs were determined… Expand Proton NMR analyses have been made to elucidate the conformational characteristics of modified nucleotides as found in the first… Expand PERSPECfIVES AND SUMMARY 253 INTRODUCfION 256 GENES AND PROTEIN PRODUCfS 257 Drosophila 257 Mammals 258 Multienzyme pyr1-3 258… Expand Mutant Syrian hamster cells resistant to N-(phosphonacetyl)-L-aspartate (PALA), a transition state analog inhibitor of aspartate… Expand