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Key Documents

535893

Sigma-Aldrich

5-Methyluridine

97%

Synonym(s):

Ribothymidine

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About This Item

Empirical Formula (Hill Notation):
C10H14N2O6
CAS Number:
Molecular Weight:
258.23
EC Number:
MDL number:
UNSPSC Code:
41106305
PubChem Substance ID:
NACRES:
NA.22

Assay

97%

mp

183-184 °C (lit.)

SMILES string

CC1=CN([C@@H]2O[C@H](CO)[C@@H](O)[C@H]2O)C(=O)NC1=O

InChI

1S/C10H14N2O6/c1-4-2-12(10(17)11-8(4)16)9-7(15)6(14)5(3-13)18-9/h2,5-7,9,13-15H,3H2,1H3,(H,11,16,17)/t5-,6-,7-,9-/m1/s1

InChI key

DWRXFEITVBNRMK-JXOAFFINSA-N

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Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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Jaunius Urbonavicius et al.
Nucleic acids research, 33(13), 3955-3964 (2005-07-20)
Formation of 5-methyluridine (ribothymidine) at position 54 of the T-psi loop of tRNA is catalyzed by site-specific tRNA methyltransferases (tRNA:m(5)U-54 MTase). In all Eukarya and many Gram-negative Bacteria, the methyl donor for this reaction is S-adenosyl-l-methionine (S-AdoMet), while in several
Ryota Yamagami et al.
The Journal of biological chemistry, 287(51), 42480-42494 (2012-10-26)
The conserved U54 in tRNA is often modified to 5-methyluridine (m(5)U) and forms a reverse Hoogsteen base pair with A58 that stabilizes the L-shaped tRNA structure. In Gram-positive and some Gram-negative eubacteria, m(5)U54 is produced by folate/FAD-dependent tRNA (m(5)U54) methyltransferase
Gregory E R Gordon et al.
Journal of biotechnology, 151(1), 108-113 (2010-11-30)
This paper describes a high yielding coupled enzymatic reaction using Bacillus halodurans purine nucleoside phosphorylase (PNP) and E. coli uridine phosphorylase (UP) for synthesis of 5-methyluridine (5-MU) by transglycosylation. Key parameters such as reaction temperature, pH, reactant loading, reactor configuration
H F Becker et al.
Journal of molecular biology, 274(4), 505-518 (1998-01-07)
Almost all transfer RNA molecules sequenced so far contain two universal modified nucleosides at positions 54 and 55, respectively: ribothymidine (T54) and pseudouridine (psi 55). To identify the tRNA elements recognized by tRNA:m5uridine-54 methyltransferase and tRNA:pseudouridine-55 synthase from the yeast
Ya-Ming Hou et al.
FEBS letters, 584(2), 278-286 (2009-12-01)
Methylation of tRNA on the four canonical bases adds structural complexity to the molecule, and improves decoding specificity and efficiency. While many tRNA methylases are known, detailed insight into the catalytic mechanism is only available in a few cases. Of

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