Results 81 to 90 of about 5,405 (175)

A novel function of Escherichia coli transfer RNA nucleotidyltransferase. Biosynthesis of the C-C-A sequence in a phage T4 transfer RNA precursor.

open access: yesJournal of Biological Chemistry, 1975
The biosynthesis of the phage T4-coded proline and serine transfer RNA species proceeds through a precursor RNA containing both tRNA sequences. Neither tRNA sequence in the precursor RNA contains the 3'-terminal C-C-A common to all mature tRNAs. Seidman and McClain ((1975) Proc. Natl. Acad. Sci. U. S. A.
openaire   +2 more sources

Biophysical and biochemical characterization of yeast tRNA nucleotidyltransferase variants [PDF]

open access: yes, 2017
The enzyme ATP(CTP):tRNA-specific tRNA nucleotidyltransferase adds cytidine-cytidine-adenosine (CCA) to the 3’ end of eukaryotic tRNAs during their maturation. This CCA sequence plays a vital role in aminoacylation and hence in protein synthesis.
Rahman, Mohammed Samiur
core  

The cytoplasmic poly(A) polymerases GLD-2 and GLD-4 promote general gene expression via distinct mechanisms

open access: yes, 2014
Post-transcriptional gene regulation mechanisms decide on cellular mRNA activities. Essential gatekeepers of post-transcriptional mRNA regulation are broadly conserved mRNA-modifying enzymes, such as cytoplasmic poly(A) polymerases (cytoPAPs).
Eckmann, C.   +3 more
core   +1 more source

The identity of the discriminator base has an impact on CCA addition [PDF]

open access: yes, 2015
CCA-adding enzymes synthesize and maintain the C-C-A sequence at the tRNA 3''-end, generating the attachment site for amino acids. While tRNAs are the most prominent substrates for this polymerase, CCA additions on non-tRNA transcripts are described as ...
Betat, Heike   +4 more
core   +1 more source

THE IDENTIFICATION OF NOVEL INORGANIC CARBON SENSITIVE ENZYMES [PDF]

open access: yes, 2010
Adenylyl cyclase catalyses the formation of the second messenger adenosine-3’, 5’-monophosphate from adenosine triphosphate, and is involved in a number of diverse signalling pathways in eukaryotes and prokaryotes.
TOWNSEND, PHILIP,DAVID
core  

A LC-MS/MS-Based Approach to Studying the Saccharomyces cerevisiae Cca1 Protein [PDF]

open access: yes, 2018
The enzyme ATP (CTP): tRNA-specific tRNA nucleotidyltransferase (tRNA-NT) is an essential enzyme in eukaryotes and some prokaryotes and plays a critical role in tRNA maturation. This enzyme is responsible for the addition of AMP and CMP residues to the 3’
Guan, Tian Lai
core  

Characterization of Saccharomyces cerevisiae tRNA nucleotidyltransferase variants [PDF]

open access: yes, 2014
Yeast cells exhibit a temperature-sensitive phenotype at 37°C due to an ATP(CTP): tRNA nucleotidyltransferase variant containing a glutamate to phenylalanine substitution at position 189.
Sandhu, Prit-Kamal Singh
core  

Divergent Evolution of Eukaryotic CC- and A-Adding Enzymes [PDF]

open access: yes
Synthesis of the CCA end of essential tRNAs is performed either by CCA-adding enzymes or as a collaboration between enzymes restricted to CC- and A-incorporation. While the occurrence of such tRNA nucleotidyltransferases with partial activities seemed to
Betat, Heike   +4 more
core   +1 more source

The role of arginine 204 in Candida glabrata tRNA nucleotidyltransferase [PDF]

open access: yes, 2011
The enzyme ATP(CTP):tRNA nucleotidyltransferase is required for protein synthesis in eukaryotes. It allows for the step-wise addition of a specific cytidine-cytidine-adenosine (CCA) sequence to the 3’ ends of tRNAs without the use of a nucleic acid ...
Colasurdo, Gabriele
core  

The role of arginine 244 in Candida glabrata tRNA nucleotidyltransferase [PDF]

open access: yes, 2009
The enzyme ATP(CTP):tRNA nucleotidyltransferase is essential in eukaryotes to allow tRNAs to participate in protein synthesis. It adds a specific cytidine-cytidine-adenosine (CCA) sequence to generate positions 74, 75, and 76 at the 3' ends of tRNAs in a
Arthur, Jason
core  

Home - About - Disclaimer - Privacy