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SECIS element angl SECIS selenocysteine insertion sequence poslidovnist vstavki selenocisteyinu poslidovnist RNK zavdovzhki blizko 60 nukleotidiv sho maye harakternu vtorinnu strukturu tipu shpilka 1 Cej strukturnij motiv ye signalom dlya translyacijnogo aparatu klitini zavdyaki yakomu pid chas biosintezu bilka stop kodon UGA rozpiznayetsya yak smislovij kodon selenocisteyinu SECIS elementi neobhidni dlya pravilnoyi translyaciyi mRNK sho koduyut selen vmisni bilki tobto taki bilki sho mistyat odin abo bilshe zalishkiv selenocisteyinu Peredbachenna vtorinna struktura SECIS elementuU bakterij SECIS element roztashovanij poruch iz UGA kodonom na yakij vin vplivaye U arhej ta eukariot cej element roztashovanij v 3 netranslovanij dilyanci 3 UTR mRNK ta mozhe vplivati odrazu na dekilka UGA kodoniv v mRNK Odin SECIS element u arhej Methanococcus buv znajdenij v 5 UTR 2 3 SECIS element maye harakternu vtorinnu strukturu tipu shpilka yaka utvoryuyetsya zavdyaki formuvannyu par komplementarnih osnov SECIS elementi eukariot mayut u svoyemu skladi nekanonichni pari osnov A G yaki ye vazhlivimi dlya pravilnogo funkcionuvannya vsiyeyi strukturi Hocha eukariotichni arhejni ta bakterialni SECIS elementi mayut odnotipnu vtorinnu strukturu konkretni nukleotidni poslidovnosti duzhe silno vidriznyayutsya Buli stvoreni komp yuterni programi dlya poshuku SECIS elementiv u vidsekvenovanih genomnih poslidovnostyah sho stalo novim instrumentom dlya poshuku selenoproteyiniv in silico 4 Rozpovsyudzhennya red SECIS elementi buli znajdeni v RNK bagatoh organizmiv z osnovnih domeniv zhivogo 4 5 6 7 8 9 10 Posilannya red Walczak R Westhof E Carbon P Krol A 1996 A novel RNA structural motif in the selenocysteine insertion element of eukaryotic selenoprotein mRNAs RNA 2 4 s 367 379 PMC 1369379 PMID 8634917 Wilting R Schorling S Persson B C Bock A March 1997 Selenoprotein synthesis in archaea identification of an mRNA element of Methanococcus jannaschii probably directing selenocysteine insertion Journal of Molecular Biology 266 4 s 637 641 PMID 9102456 doi 10 1006 jmbi 1996 0812 Rother Michael Resch Armin Wilting Reinhard Bock August 2001 Selenoprotein synthesis in archaea BioFactors 14 1 4 s 75 83 PMID 11568443 doi 10 1002 biof 5520140111 a b Lambert A Lescure A Gautheret D 2002 A survey of metazoan selenocysteine insertion sequences Biochimie 84 9 s 953 959 PMID 12458087 doi 10 1016 S0300 9084 02 01441 4 Mix H Lobanov AV Gladyshev VN 2007 SECIS elements in the coding regions of selenoprotein transcripts are functional in higher eukaryotes Nucleic Acids Res 35 2 s 414 23 PMC 1802603 PMID 17169995 doi 10 1093 nar gkl1060 Cassago A Rodrigues EM Prieto EL etal 2006 Identification of Leishmania selenoproteins and SECIS element Mol Biochem Parasitol 149 2 s 128 34 PMID 16766053 doi 10 1016 j molbiopara 2006 05 002 Mourier T Pain A Barrell B Griffiths Jones S 2005 A selenocysteine tRNA and SECIS element in Plasmodium falciparum RNA 11 2 s 119 22 PMC 1370700 PMID 15659354 doi 10 1261 rna 7185605 G V Kryukov S Castellano S V Novoselov A V Lobanov O Zehtab R Guigo and V N Gladyshev 2003 Characterization of mammalian selenoproteomes Science 300 5624 s 1439 1443 PMID 12775843 doi 10 1126 science 1083516 Gregory V Kryukov and Vadim N Gladyshev 2004 The prokaryotic selenoproteome EMBO Rep 5 5 s 538 543 PMC 1299047 PMID 15105824 doi 10 1038 sj embor 7400126 Alain Krol 2002 Evolutionarily different RNA motifs and RNA protein complexes to achieve selenoprotein synthesis Biochimie 84 8 s 765 774 PMID 12457564 doi 10 1016 S0300 9084 02 01405 0 Otrimano z https uk wikipedia org w index php title SECIS element amp oldid 36311815