Nucleosides are glycosylamines that can be thought of as nucleotides without a phosphate group. A nucleoside consists simply of a nucleobase (also termed...

A nucleoside triphosphate is a nucleoside containing a nitrogenous base bound to a 5-carbon sugar (either ribose or deoxyribose), with three phosphate...

fundamental, cellular level. They provide chemical energy—in the form of the nucleoside triphosphates, adenosine triphosphate (ATP), guanosine triphosphate (GTP)...

Arabinosyl nucleosides are derivatives of the nucleosides. They contain β-D-arabinofuranose, in contrast to most nucleosides which contain β-D-ribofuranose...

In enzymology, a nucleoside phosphotransferase (EC 2.7.1.77) is an enzyme that catalyzes the chemical reaction a nucleotide + a 2'-deoxynucleoside ⇌ {\displaystyle...

Nucleoside transporters (NTs) are a group of membrane transport proteins which transport nucleoside substrates like adenosine across the membranes of...

Nucleoside analogues are structural analogues of a nucleoside, which normally contain a nucleobase and a sugar. Nucleotide analogues are analogues of...

In enzymology, a nucleoside deoxyribosyltransferase (EC 2.4.2.6) is an enzyme that catalyzes the chemical reaction 2-deoxy-D-ribosyl-base1 + base2 ⇌ {\displaystyle...

to as polymerase inhibitors.[citation needed] RTIs come in four forms: Nucleoside analog reverse-transcriptase inhibitors (NARTIs or NRTIs) Nucleotide analog...

Synthesis of nucleosides involves the coupling of a nucleophilic, heterocyclic base with an electrophilic sugar. The silyl-Hilbert-Johnson (or Vorbrüggen)...

In enzymology, a nucleoside ribosyltransferase (EC 2.4.2.5) is an enzyme that catalyzes the chemical reaction D-ribosyl-base1 + base2 ⇌ {\displaystyle...

Nucleoside phosphoramidites are derivatives of natural or synthetic nucleosides. They are used to synthesize oligonucleotides, relatively short fragments...

} nucleoside diphosphate + ADP Thus, the two substrates of this enzyme are nucleoside triphosphate and AMP, whereas its two products are nucleoside diphosphate...

Purine nucleoside phosphorylase, PNP, PNPase or inosine phosphorylase (EC 2.4.2.1) is an enzyme that in humans is encoded by the NP gene. It catalyzes...

Adenosine triphosphate (ATP) is a nucleoside triphosphate that provides energy to drive and support many processes in living cells, such as muscle contraction...

In enzymology, a nucleoside-triphosphatase (NTPase) (EC 3.6.1.15) is an enzyme that catalyzes the chemical reaction NTP + H2O ⇌ {\displaystyle \rightleftharpoons...

In enzymology, a nucleoside-diphosphatase (EC 3.6.1.6) is an enzyme that catalyzes the chemical reaction a nucleoside diphosphate + H2O ⇌ {\displaystyle...

showed how pyrimidine nucleosides can be synthesized from small molecules and ribose, driven solely by wet-dry cycles. Purine nucleosides can be synthesized...

In enzymology, a nucleoside-triphosphate diphosphatase (EC 3.6.1.19) is an enzyme that catalyzes the chemical reaction a nucleoside triphosphate + H2O...

In enzymology, a nucleoside phosphoacylhydrolase (EC 3.6.1.24) is an enzyme that catalyzes the chemical reaction Hydrolyses mixed phospho-anhydride bonds...

purine nucleoside + H2O ⇌ {\displaystyle \rightleftharpoons } D-ribose + a purine base Thus, the two substrates of this enzyme are purine nucleoside and...

A nucleoside-modified messenger RNA (modRNA) is a synthetic messenger RNA (mRNA) in which some nucleosides are replaced by other naturally modified nucleosides...

Guanosine-5'-triphosphate (GTP) is a purine nucleoside triphosphate. It is one of the building blocks needed for the synthesis of RNA during the transcription...

diphosphate-purine nucleoside kinase (EC 2.7.1.143) is an enzyme that catalyzes the chemical reaction diphosphate + a purine nucleoside ⇌ {\displaystyle...

Nucleoside-specific porin (the tsx gene of Escherichia coli) is an outer membrane protein, Tsx, which constitutes the receptor for colicin K and Bacteriophage...

nitrogenous bases) are nitrogen-containing biological compounds that form nucleosides, which, in turn, are components of nucleotides, with all of these monomers...

Nucleoside-diphosphate kinases (NDPKs, also NDP kinase, (poly)nucleotide kinases and nucleoside diphosphokinases) are enzymes that catalyze the exchange...

Cidofovir, brand name Vistide, is a topical or injectable antiviral medication primarily used as a treatment for cytomegalovirus (CMV) retinitis (an infection...

In molecular biology, RNA polymerase (abbreviated RNAP or RNApol), or more specifically DNA-directed/dependent RNA polymerase (DdRP), is an enzyme that...

enzymology, a pyrimidine-nucleoside phosphorylase (EC 2.4.2.2) is an enzyme that catalyzes the chemical reaction a pyrimidine nucleoside + phosphate ⇌ {\displaystyle...