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Telomerase reverse transcriptase (abbreviated to TERT, or hTERT in humans) is a catalytic subunit of the enzyme telomerase, which, together with the telomerase RNA component (TERC), comprises the most important unit of the telomerase complex. [5] [6] Telomerases are part of a distinct subgroup of RNA-dependent polymerases.
The genes of telomerase subunits, which include TERT, [16] TERC, [17] DKC1 [18] and TEP1, [19] are located on different chromosomes. The human TERT gene (hTERT) is translated into a protein of 1132 amino acids. [20] TERT polypeptide folds with (and carries) TERC, a non-coding RNA (451 nucleotides long). TERT has a 'mitten' structure that allows ...
Telomerase RNA component, also known as TR, TER or TERC, is an ncRNA found in eukaryotes that is a component of telomerase, the enzyme used to extend telomeres. [ 3 ] [ 4 ] TERC serves as a template for telomere replication ( reverse transcription ) by telomerase.
Telomeric repeat–containing RNA (TERRA) is a long non-coding RNA transcribed from telomeres - repetitive nucleotide regions found on the ends of chromosomes that function to protect DNA from deterioration or fusion with neighboring chromosomes. TERRA has been shown to be ubiquitously expressed in almost all cell types containing linear ...
Dyskerin is essential for the activity of telomerase by accumulating telomerase RNA component (TERC). [8] This gene is a member of the H/ACA snoRNPs (small nucleolar ribonucleoproteins) gene family. snoRNPs are involved in various aspects of rRNA processing and modification and have been classified into two families: C/D and H/ACA. The H/ACA ...
The terC RNA motif is a conserved RNA structure that was discovered by bioinformatics. [1] terC motif RNAs are found in Pseudomonadota, within the sub-lineages Alphaproteobacteria and Pseudomonadales. terC motif RNAs likely function as cis-regulatory elements, in view of their positions upstream of protein-coding genes.
In archaea, the heterohexamer ring is replaced by a homohexamer made up of a single type mcm protein, pointing at a history of gene duplication and diversification. [ 7 ] Mcm1 [ 8 ] [ 9 ] and Mcm10 [ 10 ] [ 11 ] are also involved in DNA replication, directly or indirectly, but have no sequence homology to the Mcm2-7 family.
TERC may refer to: Telomerase RNA component , a human gene. TERC (Cambridge, Massachusetts) , a nonprofit research and development organization in Cambridge, Massachusetts, the developers of the Investigations in Numbers, Data, and Space mathematics curriculum