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- Aminoacyl_tRNA_synthetases,_class_I abstract "The aminoacyl-tRNA synthetases (EC 6.1.1.) catalyse the attachment of an amino acid to its cognate transfer RNA molecule in a highly specific two-step reaction. These proteins differ widely in size and oligomeric state, and have limited sequence homology. The 20 aminoacyl-tRNA synthetases are divided into two classes, I and II. Class I aminoacyl-tRNA synthetases contain a characteristic Rossman fold catalytic domain and are mostly monomeric. Class II aminoacyl-tRNA synthetases share an anti-parallel beta-sheet fold flanked by alpha-helices, and are mostly dimeric or multimeric, containing at least three conserved regions. However, tRNA binding involves an alpha-helical structure that is conserved between class I and class II synthetases. In reactions catalysed by the class I aminoacyl-tRNA synthetases, the aminoacyl group is coupled to the 2'-hydroxyl of the tRNA, while, in class II reactions, the 3'-hydroxyl site is preferred. The synthetases specific for arginine, cysteine, glutamic acid, glutamine, isoleucine, leucine, methionine, tyrosine, tryptophan and valine belong to class I synthetases; these synthetases are further divided into three subclasses, a, b and c, according to sequence homology. The synthetases specific for alanine, asparagine, aspartic acid, glycine, histidine, lysine, phenylalanine, proline, serine, and threonine belong to class-II synthetases.Glutamyl-tRNA synthetase (EC 6.1.1.17) is a class Ic synthetase and shows several similarities with glutaminyl-tRNA synthetase concerning structure and catalytic properties. It is an alpha2 dimer. To date one crystal structure of a glutamyl-tRNA synthetase (Thermus thermophilus) has been solved. The molecule has the form of a bent cylinder and consists of four domains. The N-terminal half (domains 1 and 2) contains the 'Rossman fold' typical for class I synthetases and resembles the corresponding part of E. coli GlnRS, whereas the C-terminal half exhibits a GluRS-specific structure.".
- Aminoacyl_tRNA_synthetases,_class_I symbol "Glu/Gln-tRNA-synth_Ic".
- Aminoacyl_tRNA_synthetases,_class_I wikiPageID "28952771".
- Aminoacyl_tRNA_synthetases,_class_I wikiPageLength "4869".
- Aminoacyl_tRNA_synthetases,_class_I wikiPageOutDegree "6".
- Aminoacyl_tRNA_synthetases,_class_I wikiPageRevisionID "704004769".
- Aminoacyl_tRNA_synthetases,_class_I wikiPageWikiLink Category:EC_6.1.1.
- Aminoacyl_tRNA_synthetases,_class_I wikiPageWikiLink EARS2.
- Aminoacyl_tRNA_synthetases,_class_I wikiPageWikiLink EPRS.
- Aminoacyl_tRNA_synthetases,_class_I wikiPageWikiLink PIG32.
- Aminoacyl_tRNA_synthetases,_class_I wikiPageWikiLink QARS.
- Aminoacyl_tRNA_synthetases,_class_I wikiPageWikiLink Rossmann_fold.
- Aminoacyl_tRNA_synthetases,_class_I wikiPageWikiLinkText "Class I".
- Aminoacyl_tRNA_synthetases,_class_I wikiPageWikiLinkText "glutamyl-tRNA synthetase".
- Aminoacyl_tRNA_synthetases,_class_I interpro "IPR000924".
- Aminoacyl_tRNA_synthetases,_class_I name "Glutamyl/glutaminyl-tRNA synthetase, class Ic".
- Aminoacyl_tRNA_synthetases,_class_I pfam "PF00749".
- Aminoacyl_tRNA_synthetases,_class_I symbol "Glu/Gln-tRNA-synth_Ic".
- Aminoacyl_tRNA_synthetases,_class_I wikiPageUsesTemplate Template:EC_number.
- Aminoacyl_tRNA_synthetases,_class_I wikiPageUsesTemplate Template:Enzymes.
- Aminoacyl_tRNA_synthetases,_class_I wikiPageUsesTemplate Template:InterPro_content.
- Aminoacyl_tRNA_synthetases,_class_I wikiPageUsesTemplate Template:Ligases_CO_CS_and_CN.
- Aminoacyl_tRNA_synthetases,_class_I wikiPageUsesTemplate Template:PDB.
- Aminoacyl_tRNA_synthetases,_class_I wikiPageUsesTemplate Template:Pfam_box.
- Aminoacyl_tRNA_synthetases,_class_I wikiPageUsesTemplate Template:Portal_bar.
- Aminoacyl_tRNA_synthetases,_class_I wikiPageUsesTemplate Template:Reflist.
- Aminoacyl_tRNA_synthetases,_class_I subject Category:EC_6.1.1.
- Aminoacyl_tRNA_synthetases,_class_I type Biomolecule.
- Aminoacyl_tRNA_synthetases,_class_I type Protein.
- Aminoacyl_tRNA_synthetases,_class_I type Thing.
- Aminoacyl_tRNA_synthetases,_class_I type Q206229.
- Aminoacyl_tRNA_synthetases,_class_I type Q8054.
- Aminoacyl_tRNA_synthetases,_class_I comment "The aminoacyl-tRNA synthetases (EC 6.1.1.) catalyse the attachment of an amino acid to its cognate transfer RNA molecule in a highly specific two-step reaction. These proteins differ widely in size and oligomeric state, and have limited sequence homology. The 20 aminoacyl-tRNA synthetases are divided into two classes, I and II. Class I aminoacyl-tRNA synthetases contain a characteristic Rossman fold catalytic domain and are mostly monomeric.".
- Aminoacyl_tRNA_synthetases,_class_I label "Aminoacyl tRNA synthetases, class I".
- Aminoacyl_tRNA_synthetases,_class_I sameAs Q4746441.
- Aminoacyl_tRNA_synthetases,_class_I sameAs m.0dgqbmj.
- Aminoacyl_tRNA_synthetases,_class_I sameAs Q4746441.
- Aminoacyl_tRNA_synthetases,_class_I wasDerivedFrom Aminoacyl_tRNA_synthetases,_class_I?oldid=704004769.
- Aminoacyl_tRNA_synthetases,_class_I isPrimaryTopicOf Aminoacyl_tRNA_synthetases,_class_I.