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2.1.1.202: multisite-specific tRNA:(cytosine-C5)-methyltransferase

This is an abbreviated version!
For detailed information about multisite-specific tRNA:(cytosine-C5)-methyltransferase, go to the full flat file.

Word Map on EC 2.1.1.202

Reaction

S-adenosyl-L-methionine
+
cytosine34 in tRNA precursor
=
S-adenosyl-L-homocysteine
+
5-methylcytosine34 in tRNA precursor

Synonyms

5-methylcytosine RNA methyltransferase, broad-spectrum methyltransferase, cytosine-5 RNA methyltransferase, EC 2.1.1.29, HNSun6, M5C RNA methyltransferase, MJ0026, multisite-specific tRNA:m5C-methyltransferase, Ncl1p, NOP2/Sun RNA methyltransferase 2, NSUN2, NSUN6, PhNSUN6, RNA (cytosine-5)-methyltransferase, RNA:m5C methyltransferase, RNA:m5C MTase, TRDMT1, TRM4, TRM4A, TRM4B, Trm4p, tRNA (cytosine72-C5)-methyltransferase, tRNA-specific methyltransferase 4B, tRNA:m5C-methyltransferase, tRNA:m5C72 MTase

ECTree

     2 Transferases
         2.1 Transferring one-carbon groups
             2.1.1 Methyltransferases
                2.1.1.202 multisite-specific tRNA:(cytosine-C5)-methyltransferase

Expression

Expression on EC 2.1.1.202 - multisite-specific tRNA:(cytosine-C5)-methyltransferase

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EXPRESSION
ORGANISM
UNIPROT
LITERATURE
exposure to oxidative stress efficiently repressed NSUN2, causing a reduction of methylation at specific tRNA sites. Nucleophosmin (NPMI) is a marker for nucleolar stress, and a rapid, strong down-regulation of both NPMI and NSUN2 is observed upon arsenite treatment. Additional NSUN family members residing in the mitochondria (NSUN3, NSUN4) and cytoplasm (NSUN6) are similarly repressed in response to arsenite stress
levels of tRNAHis m5C increase following several nutrient starvation treatments of the BY4741 strain, Trm4 protein levels do not increase during starvation conditions
sequenced cDNA libraries prepared from small RNA isolated from NSUN2+/- and NSUN2-/- human fibroblasts reveal that eight of the 43 ncRNAs are differentially regulated
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