Modomics - A Database of RNA Modifications

The molecule is shown in a ball-and-stick representation with the following colors for atoms :
Hydrogen (H): white Carbon (C): gray Oxygen (O): red Phosphorus (P): orange Nitrogen (N): blue Selenium (Se): gold Sulfur (S): yellow

Summary

Full name4-thiouridine
IUPAC name1-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-4-sulfanylidenepyrimidin-2-one
Short names4U
MODOMICS code new2000000074U
MODOMICS code74U
Synonyms
1-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-4-sulfanylidene-1,2,3,4-tetrahydropyrimidin-2-one
1-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-4-sulfanylidenepyrimidin-2-one
1-((2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-4-thioxo-3,4-dihydropyrimidin-2(1H)-one
1-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl]-4-thioxo-pyrimidin-2-one
13957-31-8
1-beta-D-ribofuranosyl-4-thiouracil
1-(beta-D-ribofuranosyl)-4-thioxo-3,4-dihydropyrimidin-2(1H)-one
4 Thiouridine
4-Thio-D-uridine
4-thioribothymidine
4-thio-uridine
4-Thiouridine
4-Thiouridine, >=98%
4-Thiouridine, 98% - 10MG 10mg
AC1MHUF8
AS-56720
C9-H12-N2-O5-S
CHEBI:20480
CID3032615
CS-W012509
CTK4C1864
D013891
EINECS 237-735-3
EX-A3667
KS-00000Y8U
LS-187054
LS-187666
MFCD00006538
N/A
NSC 518132
Q20890501
s4T
S4U
SCHEMBL34577
THIOURIDINE
Thiouridine (VAN)
Uridine, 4-thio-
Uridine, 4-thio- (8CI)(9CI)
Uridine,4-thio-
ZINC13518039
ZLOIGESWDJYCTF-XVFCMESISA-N

Nature of the modified residueNatural
RNAMods code4
Residue unique ID7
Found in RNAYes
Related nucleotides216
Enzymes ThiI (Escherichia coli)
Found in phylogenyEubacteria
Found naturally in RNA typestRNA

Chemical information

Sum formulaC9H12N2O5S
Type of moietynucleoside
Degeneracynot applicable
PubChem ID3954028
SMILESOC[C@H]1O[C@@H]([n]2ccc(=S)[nH]c2=O)[C@H](O)[C@@H]1O
logP-1.4826
TPSA139.8
Number of atoms17
Number of Hydrogen Bond Acceptors 1 (HBA1)6
Number of Hydrogen Bond Acceptors 2 (HBA2)7
Number of Hydrogen Bond Donors (HBD)4
PDB no exac match , link to the most similar ligand ZE8
HMDB (Human Metabolome Database) no exact match, link to the most similar ligand None
InChIInChI=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
InChIKeyZLOIGESWDJYCTF-XVFCMESISA-N
Search the molecule in external databases ChEMBL  ChemAgora  ChEBI  PubChem Compound Database  Ligand Expo  ChemSpider  WIPO 
PubChem CID
PubChem SIDs

* Chemical properties calculated with Open Babel - O'Boyle et al. Open Babel: An open chemical toolbox. J Cheminform 3, 33 (2011) (link)


Download Structures

2D   .png .mol .mol2 .sdf .pdb .smi
3D   .mol .mol2 .sdf .pdb

Tautomers

Tautomers SMILES
OCC1OC(n2ccc(S)nc2=O)C(O)C1O tautomer #0
OCC1OC(n2ccc(=S)[nH]c2=O)C(O)C1O tautomer #1
OCC1OC(n2ccc(=S)nc2O)C(O)C1O tautomer #2

Tautomer image Show Image

Predicted CYP Metabolic Sites

CYP3A4 CYP2D6 CYP2C9
s4U s4U s4U

* CYP Metabolic sites predicted with SMARTCyp. SMARTCyp is a method for prediction of which sites in a molecule that are most liable to metabolism by Cytochrome P450. It has been shown to be applicable to metabolism by the isoforms 1A2, 2A6, 2B6, 2C8, 2C19, 2E1, and 3A4 (CYP3A4), and specific models for the isoform 2C9 (CYP2C9) and isoform 2D6 (CYP2D6). CYP3A4, CYP2D6, and CYP2C9 are the three of the most important enzymes in drug metabolism since they are involved in the metabolism of more than half of the drugs used today. The three top-ranked atoms are highlighted. See: SmartCYP and SmartCYP - background; Patrik Rydberg, David E. Gloriam, Lars Olsen, The SMARTCyp cytochrome P450 metabolism prediction server, Bioinformatics, Volume 26, Issue 23, 1 December 2010, Pages 2988–2989 (link)


LC-MS Information

Monoisotopic mass260.0467
Average mass260.267
[M+H]+261.0545
Product ions129
Normalized LC elution time *1,15 (Kellner 2014); 1,18 (Kellner 2014)
LC elution order/characteristicsbetween G and A (Kellner 2014, Kellner 2014)

* normalized to guanosine (G), measured with a RP C-18 column with acetonitrile/ammonium acetate as mobile phase.


LC-MS Publications

Title Authors Journal Details PubMed Id DOI
Profiling of RNA modifications by multiplexed stable isotope labelling. Kellner S, Neumann J, Rosenkranz D, Lebedeva S, Ketting RF, Zischler H, Schneider D, Helm M. Chem Commun (Camb). [details] 24567952 -
Absolute and relative quantification of RNA modifications via biosynthetic isotopomers. Kellner S, Ochel A, Thuring K, Spenkuch F, Neumann J, Sharma S, Entian KD, Schneider D, Helm M... Nucleic Acids Res [details] 25129236 -

Chemical groups contained

TypeSubtype
heavy atomsulfur

Reactions producing 4-thiouridine

Name
U:s4U

Last modification of this entry: Sept. 22, 2023