Ribosom

Ribosom

Ribosom

Ngày tải lên : 18/08/2012, 20:16
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Tài liệu Ribosome pptx

Tài liệu Ribosome pptx

... tổng hợp protein của tế bào. Các ribosome được cấu tạo từ các rARN và ribosome protein. Nó dịch mã mARN thành chuỗi polypeptide (đơn vị cấu thành protein). Ribosome được xem như là một nhà ... lắng lần lượt là 40, 60, 810S. Ribosome tự do: Ribosome tự do có mặt ở trong mọi tế bào, và còn ở trong ty thể và lục lạp ở trong tế bào eukaryote. Nhiều ribosome tự do có thể bám vào một .....
Ngày tải lên : 14/12/2013, 00:15
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Tài liệu Báo cáo khoa học: Isolation and characterization of four type 2 ribosome inactivating pulchellin isoforms from Abrus pulchellus seeds docx

Tài liệu Báo cáo khoa học: Isolation and characterization of four type 2 ribosome inactivating pulchellin isoforms from Abrus pulchellus seeds docx

... mechanism of action of the toxic lectin ricin on eukaryotic ribosomes. J Biol Chem 263 , 8735–8739. 3 Nielsen K & Boston R (2001) Ribosome-inactivating proteins: a plant perspective. Annu Rev ... Arias FJ & Stirpe F (2004) Description, distribution, activity and phylogenetic relationship of ribosome-inactivating proteins in plants, fungi and bacteria. Mini Rev Med Chem 4, 461–476. 2 E...
Ngày tải lên : 18/02/2014, 16:20
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Tài liệu Báo cáo khoa học: The social life of ribosomal proteins doc

Tài liệu Báo cáo khoa học: The social life of ribosomal proteins doc

... [68]. The social life of ribosomal proteins D. E. Brodersen and P. Nissen 2104 FEBS Journal 272 (2005) 2098–2108 ª 2005 FEBS Ribosomal proteins working off the ribosome Several ribosomal proteins are ... functional relevance to sev- eral ribosomal proteins, such as small ribosomal pro- tein S12, which was known to be important for correct decoding of tRNA in the ribosomal A site (Fig. 1A, Tab...
Ngày tải lên : 19/02/2014, 17:20
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Tài liệu Báo cáo khoa học: Functional interaction between RNA helicase II⁄Gua and ribosomal protein L4 pptx

Tài liệu Báo cáo khoa học: Functional interaction between RNA helicase II⁄Gua and ribosomal protein L4 pptx

... of mitosis and includes ribosomal DNA transcription, pre-ribosomal RNA (pre-rRNA) modifications and processing as well as assembly of rRNAs and ribosomal proteins into preribosome sub- units which ... than 80 yeast ribosomal proteins and numerous trans-acting elements including small nucleolar RNAs (snoRNAs) as well as nonribosomal proteins. However, in mam- malian systems, ribosome biogenesis...
Ngày tải lên : 20/02/2014, 01:20
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Tài liệu Báo cáo Y học: Control of p70 ribosomal protein S6 kinase and acetyl-CoA carboxylase by AMP-activated protein kinase and protein phosphatases in isolated hepatocytes pot

Tài liệu Báo cáo Y học: Control of p70 ribosomal protein S6 kinase and acetyl-CoA carboxylase by AMP-activated protein kinase and protein phosphatases in isolated hepatocytes pot

... (reviewed in [1–3]). It phosphorylates the 40S ribosomal protein S6, which is involved in the translation of certain mRNAs, the so-called 5¢-TOP mRNAs encoding ribosomal proteins and elonga- tion factors. ... energy-consuming bio- synthetic pathways. Keywords:ACC;aminoacid;AMPK;p70S6K;protein phosphatase. p70 ribosomal protein S6 kinase (p70S6K) participates in the control of protein synthesi...
Ngày tải lên : 22/02/2014, 07:20
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Báo cáo khoa học: Synthesis and function of ribosomal proteins – fading models and new perspectives pptx

Báo cáo khoa học: Synthesis and function of ribosomal proteins – fading models and new perspectives pptx

... translational mod- ulation or recruitment for extraribosomal activity? Immunol Cell Biol 77, 197–205. 69 Wool IG (1996) Extraribosomal functions of ribosomal proteins. Trends Biochem Sci 21, 164–165. 70 ... cytoplasm. Nearly 200 nonribosomal factors are required for the synthesis, maturation and export of the two ribosomal subunits [1]. Most of the constitu- ents of the preribosomal particles...
Ngày tải lên : 07/03/2014, 01:20
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Báo cáo khoa học: Eukaryotic class 1 translation termination factor eRF1 ) the NMR structure and dynamics of the middle domain involved in triggering ribosome-dependent peptidyl-tRNA hydrolysis pptx

Báo cáo khoa học: Eukaryotic class 1 translation termination factor eRF1 ) the NMR structure and dynamics of the middle domain involved in triggering ribosome-dependent peptidyl-tRNA hydrolysis pptx

... large ribosomal subunit at 2.4 A resolution. Science 289, 905–920. 39 Yusupov MM, Yusupova GZ, Baucom A, Lieberman K, Earnest TN, Cate JH & Noller HF (2001) Crystal structure of the ribosome ... in the decoding center of the small ribosomal subunit; and (b) participation in the subse- quent hydrolysis of the ester bond in peptidyl-tRNA. eRF3 is a ribosome- and eRF1-dependent GTPase that i...
Ngày tải lên : 07/03/2014, 05:20
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Báo cáo khoa học: Characterization of the tRNA and ribosome-dependent pppGpp-synthesis by recombinant stringent factor from Escherichia coli pot

Báo cáo khoa học: Characterization of the tRNA and ribosome-dependent pppGpp-synthesis by recombinant stringent factor from Escherichia coli pot

... biological significance of the ribosome Fig. 2. A time course of pppGpp synthesis by SF in the ribosome- dependent reaction. Ribosomal complexes were formed by incuba- ting TC-ribosomes (1.7 l M) with ... activity of ribosomes that had been prepared by two different methods was analyzed: (a) TC-ribosomes that are competent in binding 95% tRNA in the ribosomal A-site [17]; and (b) ribosomes tha...
Ngày tải lên : 07/03/2014, 16:20
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