| pubmed-article:9363898 | rdf:type | pubmed:Citation | lld:pubmed |
| pubmed-article:9363898 | lifeskim:mentions | umls-concept:C0080125 | lld:lifeskim |
| pubmed-article:9363898 | lifeskim:mentions | umls-concept:C0678616 | lld:lifeskim |
| pubmed-article:9363898 | lifeskim:mentions | umls-concept:C1707391 | lld:lifeskim |
| pubmed-article:9363898 | lifeskim:mentions | umls-concept:C1533691 | lld:lifeskim |
| pubmed-article:9363898 | pubmed:issue | 6655 | lld:pubmed |
| pubmed-article:9363898 | pubmed:dateCreated | 1997-11-25 | lld:pubmed |
| pubmed-article:9363898 | pubmed:abstractText | An attractive solution to the problem of the origin of protein synthesis in an evolving 'RNA world' involves catalysis by nucleic acid without assistance from proteins. Indeed, even the modern ribosome has been considered to be fundamentally an RNA machine, and the large ribosomal subunit can carry out peptidyl transfer in the absence of most of its protein subunits. Successive cycles of in vitro selection and amplification have been used to find RNAs that perform many biochemical reactions, including transfer of an RNA-linked amino acid to their own 5'-amino-modified terminus. Here we demonstrate the in vitro selection of ribozymes (196 nucleotides) that perform the same peptidyl transferase reaction as the ribosome: that is, they can join amino acids by a peptide bond. Like ribosome substrates, one amino acid (N-blocked methionine) is esterified to the 3'(2')-O of adenosine, whereas the acceptor amino acid (phenylalanine) has a free amino group. Our best characterized ribozyme recognizes the amino-acid ester substrate by binding its adenosine moiety, and is therefore capable of utilizing Leu- and Phe- as well as Met-derived substrates. Such lack of specificity with respect to the amino acid is a feature necessary for a generalized protein-synthesizing enzyme. | lld:pubmed |
| pubmed-article:9363898 | pubmed:language | eng | lld:pubmed |
| pubmed-article:9363898 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:9363898 | pubmed:citationSubset | IM | lld:pubmed |
| pubmed-article:9363898 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:9363898 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:9363898 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
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| pubmed-article:9363898 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:9363898 | pubmed:status | MEDLINE | lld:pubmed |
| pubmed-article:9363898 | pubmed:month | Nov | lld:pubmed |
| pubmed-article:9363898 | pubmed:issn | 0028-0836 | lld:pubmed |
| pubmed-article:9363898 | pubmed:author | pubmed-author:CechT RTR | lld:pubmed |
| pubmed-article:9363898 | pubmed:author | pubmed-author:ZhangBB | lld:pubmed |
| pubmed-article:9363898 | pubmed:issnType | Print | lld:pubmed |
| pubmed-article:9363898 | pubmed:day | 6 | lld:pubmed |
| pubmed-article:9363898 | pubmed:volume | 390 | lld:pubmed |
| pubmed-article:9363898 | pubmed:owner | NLM | lld:pubmed |
| pubmed-article:9363898 | pubmed:authorsComplete | Y | lld:pubmed |
| pubmed-article:9363898 | pubmed:pagination | 96-100 | lld:pubmed |
| pubmed-article:9363898 | pubmed:dateRevised | 2006-11-15 | lld:pubmed |
| pubmed-article:9363898 | pubmed:meshHeading | pubmed-meshheading:9363898-... | lld:pubmed |
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| pubmed-article:9363898 | pubmed:meshHeading | pubmed-meshheading:9363898-... | lld:pubmed |
| pubmed-article:9363898 | pubmed:year | 1997 | lld:pubmed |
| pubmed-article:9363898 | pubmed:articleTitle | Peptide bond formation by in vitro selected ribozymes. | lld:pubmed |
| pubmed-article:9363898 | pubmed:affiliation | Howard Hughes Medical Institute, Department of Chemistry and Biochemistry, University of Colorado, Boulder 80309-0215, USA. | lld:pubmed |
| pubmed-article:9363898 | pubmed:publicationType | Journal Article | lld:pubmed |
| pubmed-article:9363898 | pubmed:publicationType | Research Support, U.S. Gov't, P.H.S. | lld:pubmed |
| pubmed-article:9363898 | pubmed:publicationType | Research Support, Non-U.S. Gov't | lld:pubmed |
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