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Dive into the world of RNAomics, uncovering the functions of noncoding RNAs and the diversity of ribosomal structures in prokaryotic and eukaryotic organisms. Explore the crucial roles of different RNA types in translation and protein synthesis processes.
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Reference: An expanding universe of noncoding RNA. 2002. Science. 296:1260-1263 (www.sciencemag.org) Glimpses of a tiny RNA world. 2001. Science. 294:797-799. Non-coding RNAs: the architects of eukaryotic complexity. 2001. EMBO Reports. 2(11):986-991. (embo-reports.oupjournals.org)
DNA 基因组学 RNA RNA组学 蛋白质 蛋白质组学
人: 30,000 果蝇和线虫:12,000-14,000 酿酒酵母: 6,200 假单孢菌: 5,500 人和鼠的蛋白质编码基因99%是共同的。 人个体间单倍体基因组的碱基差异300万个,其中1万个(0.3%)出现在蛋白质编码基因中,且绝大多数存在于第3字母。98%转录物是非编码蛋白RNA。 2倍 2倍 蛋白质编码基因数量
RNA的种类及主要功能 Ribosomal RNAs (rRNAs): translation Transfer RNAs (tRNAs): translation Messenger RNAs (mRNAs): protein template Noncoding RNAs(ncRNAs): various types and functions
tRNA中参与氨酰tRNA合成酶 的识别因子
The Complete Atomic Structure of the Large Ribosomal Subunit at 2.4 Å Resolution Science. 2000. 289:905-919. Nenad Ban,1* Poul Nissen,1* Jeffrey Hansen,1 Peter B. Moore,1, 2 Thomas A. Steitz1, 2, 3 1 Department of Molecular Biophysics & Biochemistry, and 2 Department of Chemistry, Yale University, and 3 Howard Hughes Medical Institute, New Haven, CT 06520-8114, USA. * These two authors contributed equally to this work.
蛋白质延伸入RNA和 多域的相互作用
The Structural Basis of Ribosome Activity in Peptide Bond Synthesis Science. 2000. 289:920-930. Poul Nissen,1* Jeffrey Hansen,1* Nenad Ban,1* Peter B. Moore,1, 2 Thomas A. Steitz1, 2, 3 1 Department of Molecular Biophysics and Biochemistry and 2 Department of Chemistry, Yale University, and 3 Howard Hughes Medical Institute, New Haven, CT 06520-8114, USA. * These authors contributed equally to this work.
氧:红 磷:黄 氮:兰 碳:绿 底物:灰 底物类似物的相位电子密度图
The closest approach of polypeptides to the peptidyl transferase active site marked by the Yarus inhibitor, CCdA-p-Puro
Conserved nucleotides in the peptidyl transferase region with bound CCdA-p-Puro
Crystal Structure of the Ribosome at 5.5 Å Resolution Science. 2001. 292:883-896. Marat M. Yusupov,1* Gulnara Zh. Yusupova,1* Albion Baucom,1 Kate Lieberman,1 Thomas N. Earnest,2 J. H. D. Cate,3 Harry F. Noller1 1 Center for Molecular Biology of RNA, Sinsheimer Laboratories, University of California at Santa Cruz, Santa Cruz, CA 95064, USA. 2 Berkeley Center for Structural Biology, Physical Biosciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA. 3 Whitehead Institute, Cambridge, MA 01242, USA.
Electron density of tRNAMetf bound to the P site of the 70S ribosome, at 5.5 Å resolution
Conformational differences between rRNAs in 70S ribosomes and 30S and 50S subunits
Two views of the A-tRNA anticodon stem loop bound to its codon in the 30S subunit A site