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rrnAC2490

Gene
rrnAC2490
Protein
Probable bifunctional tRNA threonylcarbamoyladenosine biosynthesis protein
Organism
Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809)
Length
548 amino acids
Function
Required for the formation of a threonylcarbamoyl group on adenosine at position 37 (t(6)A37) in tRNAs that read codons beginning with adenine. Is a component of the KEOPS complex that is probably involved in the transfer of the threonylcarbamoyl moiety of threonylcarbamoyl-AMP (TC-AMP) to the N6 group of A37. The Kae1 domain likely plays a direct catalytic role in this reaction. The Bud32 domain probably displays kinase activity that regulates Kae1 function.
Similarity
In the C-terminal section; belongs to the protein kinase superfamily. Tyr protein kinase family. BUD32 subfamily.
Mass
59.796 kDa
Sequence
MRILGIEGTAWAASASVFETPDPARVTDDDHVFIETDAYAPDSGGIHPREAAEHMGEAIPTVVETAIEHTHGRAGRDGDDSAPIDAVAFARGPGLGPCLRIVATAARAVAQRFDVPLVGVNHMVAHLEVGRHRSGFDSPVCLNASGANAHILGYRNGRYRVLGETMDTGVGNAIDKFTRHIGWSHPGGPKVEQHARDGEYHELPYVVKGMDFSFSGIMSAAKQAVDDGVPVENVCRGMEETIFAMLTEVSERALSLTGADELVLGGGVGQNARLQRMLGEMCEQREAEFYAPENRFLRDNAGMIAMLGAKMYAAGDTIAIEDSRIDSNFRPDEVAVTWRGPEESVDSYRMGGDEVQGAEATVHFDGDRVIKVRVPRSYRHPTLDERLRTERTRQEARLTSEARRNGVPTPLVRDVDPQESRIVFQRVGDTDLREGLSEGRVADVGRWLARIHDAGFVHGDPTTRNVRVGGRDEQADRTTLIDFGLGYYTQEAEDHAMDLHVLAQSLAGTADDPETLLSAAEDAYRTESDHADAVFASLDDIEGRGRYQ