T4509
4-Thiouridine
≥98%, synthetic (organic), powder
Synonym(s):
4sU, RNA synthesis inhibitor, Thiouridine
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About This Item
Empirical Formula (Hill Notation):
C9H12N2O5S
CAS Number:
Molecular Weight:
260.27
NACRES:
NA.51
PubChem Substance ID:
UNSPSC Code:
41106305
EC Number:
237-735-3
MDL number:
Assay:
≥98%
Biological source:
synthetic (organic)
Form:
powder
Solubility:
water: 20 mg/mL, clear
Storage temp.:
−20°C
Product Name
4-Thiouridine, ≥98%
InChI
1S/C9H12N2O5S/c12-3-4-6(13)7(14)8(16-4)11-2-1-5(17)10-9(11)15/h1-2,4,6-8,12-14H,3H2,(H,10,15,17)/t4-,6-,7-,8-/m1/s1
InChI key
ZLOIGESWDJYCTF-XVFCMESISA-N
SMILES string
OC[C@H]1O[C@H]([C@H](O)[C@@H]1O)N2C=CC(=S)NC2=O
biological source
synthetic (organic)
assay
≥98%
form
powder
solubility
water: 20 mg/mL, clear
storage temp.
−20°C
Quality Level
Related Categories
General description
4-Thiouridine is a photoreactive uridine analog.
Application
4-Thiouridine has been used in labeling and isolation of nascent RNAs.
Biochem/physiol Actions
4-Thiouridine plays a role in assessing nascent RNA synthesis. It also enhances site-specific crosslinking. 4-Thiouridine also acts as a photoaffinity probe due to its stability even while lacking specific photoactivation. It can also be incorporated into RNAs.
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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Tsutomu Suzuki et al.
Annual review of genetics, 45, 299-329 (2011-09-14)
Mitochondria are eukaryotic organelles that generate most of the energy in the cell by oxidative phosphorylation (OXPHOS). Each mitochondrion contains multiple copies of a closed circular double-stranded DNA genome (mtDNA). Human (mammalian) mtDNA encodes 13 essential subunits of the inner
Indira Memet et al.
Nucleic acids research, 45(9), 5359-5374 (2017-01-25)
In eukaryotes, the synthesis of ribosomal subunits, which involves the maturation of the ribosomal (r)RNAs and assembly of ribosomal proteins, requires the co-ordinated action of a plethora of ribosome biogenesis factors. Many of these cofactors remain to be characterized in
Lukas Windhager et al.
Genome research, 22(10), 2031-2042 (2012-04-28)
RNA synthesis and decay rates determine the steady-state levels of cellular RNAs. Metabolic tagging of newly transcribed RNA by 4-thiouridine (4sU) can reveal the relative contributions of RNA synthesis and decay rates. The kinetics of RNA processing, however, had so
Saskia Gressel et al.
Nature communications, 10(1), 3603-3603 (2019-08-11)
Eukaryotic gene transcription is often controlled at the level of RNA polymerase II (Pol II) pausing in the promoter-proximal region. Pausing Pol II limits the frequency of transcription initiation ('pause-initiation limit'), predicting that the pause duration must be decreased for
A R Van Rompay et al.
Molecular pharmacology, 59(5), 1181-1186 (2001-04-18)
Uridine-cytidine kinases (UCK) have important roles for the phosphorylation of nucleoside analogs that are being investigated for possible use in chemotherapy of cancer. We have cloned the cDNA of two human UCKs. The approximately 30-kDa proteins, named UCK1 and UCK2
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