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2.1.1.35: tRNA (uracil54-C5)-methyltransferase

This is an abbreviated version!
For detailed information about tRNA (uracil54-C5)-methyltransferase, go to the full flat file.

Word Map on EC 2.1.1.35

Reaction

S-adenosyl-L-methionine
+
uracil54 in tRNA
=
S-adenosyl-L-homocysteine
+
5-methyluracil54 in tRNA

Synonyms

5-methyluridine 54 tRNA methyltransferase, m5U 54 tRNA methyltransferase, m5U 54 tRNA MTase, m5U methyltransferase, m5U-methyltransferase, methyltransferase, transfer ribonucleate uracil 5-, PAB0719, PAB0719 enzyme, PabTrmU54, ribothymidyl synthase, rTase, RumA, RumA-type tRNA(uracil-54, C5)-methyltransferase, RUMT, S-adenosyl-L-methionine-dependent tRNA (uracil-54, C5)-methyltransferase, transfer RNA uracil 5-methyltransferase, transfer RNA uracil methylase, TrmA, TRMT2A, tRNA (uracil-54, C5)-methyltransferase, tRNA uracil 5-methyltransferase, tRNA(m5U54)methyltransferase, tRNA(uracil-5-)methyltransferase

ECTree

     2 Transferases
         2.1 Transferring one-carbon groups
             2.1.1 Methyltransferases
                2.1.1.35 tRNA (uracil54-C5)-methyltransferase

Inhibitors

Inhibitors on EC 2.1.1.35 - tRNA (uracil54-C5)-methyltransferase

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INHIBITOR
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
5-fluorouracil
exposure to 5-fluorouracil leads to extensive irreversible TRMT2A-tRNA crosslinking in vivo
5-Fluorouracil substituted tRNA
-
DNA analog of the T-stem/loop domain
-
DNA analog of the T-stem/loop domain of yeast tRNAPhe composed of d(A,U,G,C) inhibits the methylation of unfractionated methyl-deficient E. coli tRNA, significant inhibition when the concentration of tDNAPheT is twice that of the tRNA
-
ethylthioadenosine
-
0.2 mM
K+
-
inhibitory in presence of Mg2+
L-ethionine
-
selective inhibitor of uracil tRNA methylase, non-competitive to S-adenosyl-L-methionine
L-methionine
-
30 mM, weak
mature tRNA
-
weak, competitive inhibitor to methyl-deficient tRNA, non-competitive to S-adenosyl-L-methionine
Mg2+
-
inhibits at low concentrations
Mn2+
-
inhibits at low concentrations
Na+
-
inhibitory in presence of Mg2+
NO2Ura-tRNA
-
potent mechanism-based inhibitor, competitive with respect to tRNA, can be reversed by dilution into a large excess of tRNA substrate, forms a reversible covalent complex in which Cys-324 of RUMT is linked to the 6-position of NO2-Ura 54 in NO2-Ura-tRNA, mechanism
-
norleucine
-
30 mM, weak
p-chloromercuribenzoate
p-hydroxymercuribenzoate
-
-
putrescine
-
inhibition at optimal Mg2+-concentration
ribonuclease
-
inactivates
-
S-adenosyl-L-ethionine
-
0.6 mM
S-adenosyl-L-homocysteine
spermidine
-
inhibition at optimal Mg2+-concentration
Spleen phosphodiesterase
-
weak
-
structural analogues of S-adenosyl-L-homocysteine
-
tRNAPhe
-
inhibits binding of 16S rRNA to RUMT
additional information
-