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5-Methyluridine

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The chemical compound 5-methyluridine (also called ribosylthymine, thymine riboside, and m5u) is a pyrimidine nucleoside.

Structure and properties

In its composition, 5-methyluridine is ribose (a pentose sugar) joined to a pyrimidine base and is similar to cytidine, uridine, 2-deoxyuridine, 2-deoxyguanosine, and 2-deoxy-5-methyluridine.

It exists in solid form as small white crystals or white crystalline powder, has a molecular weight of 258.23 u, and has a melting point of 185 °C. The stability of 5-methyluridine under standard temperature and pressure (STP) is very high.

Nucleobases:	Purine (Adenine, Guanine) \| Pyrimidine (Uracil, Thymine, Cytosine)
Nucleosides:	Adenosine/Deoxyadenosine \| Guanosine/Deoxyguanosine \| Uridine \| Thymidine \| Cytidine/Deoxycytidine
Nucleotides:	monophosphates (AMP, GMP, UMP, CMP) \| diphosphates (ADP, GDP, UDP, CDP) \| triphosphates (ATP, GTP, UTP, CTP) \| cyclic (cAMP, cGMP, cADPR)
Deoxynucleotides:	monophosphates (dAMP, dGMP, TMP, dCMP) \| diphosphates (dADP, dGDP, TDP, dCDP) \| triphosphates (dATP, dGTP, TTP, dCTP)
Ribonucleic acids:	RNA \| mRNA (pre-mRNA/hnRNA) \| tRNA \| rRNA \| gRNA \| miRNA \| ncRNA \| piRNA \| shRNA \| siRNA \| snRNA \| snoRNA
Deoxyribonucleic acids:	DNA \| cDNA \| gDNA \| msDNA \| mtDNA
Nucleic acid analogues:	GNA \| LNA \| PNA \| TNA \| morpholino
Cloning vectors:	phagemid \| plasmid \| lambda phage \| cosmid \| P1 phage \| fosmid \| BAC \| YAC \| HAC