TRNT1
Encyclopedia
tRNA-nucleotidyltransferase 1, mitochondrial is an enzyme
that in humans is encoded by the TRNT1 gene
.
This enzyme adds the nucleotide sequence CCA to the 3' end of tRNA, using ATP
and CTP
as substrates. The sequence creates the binding site for an amino acid.
Enzyme
Enzymes are proteins that catalyze chemical reactions. In enzymatic reactions, the molecules at the beginning of the process, called substrates, are converted into different molecules, called products. Almost all chemical reactions in a biological cell need enzymes in order to occur at rates...
that in humans is encoded by the TRNT1 gene
Gene
A gene is a molecular unit of heredity of a living organism. It is a name given to some stretches of DNA and RNA that code for a type of protein or for an RNA chain that has a function in the organism. Living beings depend on genes, as they specify all proteins and functional RNA chains...
.
This enzyme adds the nucleotide sequence CCA to the 3' end of tRNA, using ATP
Adenosine triphosphate
Adenosine-5'-triphosphate is a multifunctional nucleoside triphosphate used in cells as a coenzyme. It is often called the "molecular unit of currency" of intracellular energy transfer. ATP transports chemical energy within cells for metabolism...
and CTP
Cytidine triphosphate
Cytidine triphosphate is a pyrimidine nucleoside triphosphate.CTP is a substrate in the synthesis of RNA.CTP is a high-energy molecule equal to ATP, but its role in the organism is more specific than that of ATP....
as substrates. The sequence creates the binding site for an amino acid.