EKC/KEOPS complex subunit CGI121

UniProtKB accession:  Q03705

Grouped By:  Matching UniProtKB accession

UniProtKB description:  Component of the EKC/KEOPS complex that is required for the formation of a threonylcarbamoyl group on adenosine at position 37 (t(6)A37) in tRNAs that read codons beginning with adenine. The complex is probably involved in the transfer of the threonylcarbamoyl moiety of threonylcarbamoyl-AMP (TC-AMP) to the N6 group of A37. CGI121 acts as an allosteric effector that regulates the t(6)A activity of the complex. The EKC/KEOPS complex also promotes both telomere uncapping and telomere elongation. The complex is required for efficient recruitment of transcriptional coactivators. CGI121 is not required for tRNA modification.