| TRS | testicular regression syndrome; total reducing sugars; tubuloreticular structure |
|---|---|
| NDP | net dietary protein; nucleoside diphosphate |
| NDPK | nucleoside diphosphate kinase |
| NDPKA | nucleoside diphosphate kinase A |
| NDPKB | nucleoside diphosphate kinase B |
| NDP | Nucleoside diphosphate |
|---|---|
| NDK | Nucleoside diphosphate kinase |
| NDP kinase | Nucleoside diphosphate kinase |
| NDPK | Nucleoside diphosphate kinase |
| NMPs | 3'-nucleoside monophosphates |
| nucleoside-diphosphate sugars | Nucleoside diphosphates linked through the 5'-diphosphoric group with simple or complex carbohydrates; e.g., GDP-mannose, UDP-glucose (UDPG), dTDP-glucosamine. (05 Mar 2000) |
|---|---|
| adenosine diphosphate sugars | Esters formed between the aldehydic carbon of sugars and the terminal phosphate of adenosine diphosphate. (12 Dec 1998) |
| guanosine diphosphate sugars | Esters formed between the aldehydic carbon of sugars and the terminal phosphate of guanosine diphosphate. (12 Dec 1998) |
| nucleoside diphosphate | The pyrophosphoric ester of a nucleoside, i.e., a nucleoside in which the H of one of the ribose hydroxyls (usually the 5') is replaced by a pyrophosphoric (diphosphoric) radical; e.g., adenosine 5'-diphosphate. Compare: nucleoside bisphosphate. (05 Mar 2000) |
| nucleoside-diphosphate kinase | <enzyme> A phosphotransferase enzyme that is found in mitochondria and in the soluble cytoplasm of cells. It catalyses reversible reactions of a nucleoside triphosphate, e.g., ATP, with a nucleoside diphosphate, e.g., UDP, to form ADP and UTP. Many nucleoside diphosphates can act as acceptor, while many ribonucleoside triphosphates and deoxyribonucleoside triphosphates can act as a donor. Chemical name: ATP:nucleoside-diphosphate phosphotransferase Registry number: EC 2.7.4.6 (12 Dec 1998) |
| amino sugars | Sugar's in which a hydroxyl group has been replaced with an amino group; e.g., d-glucosamine. (05 Mar 2000) |
| polyisoprenyl phosphate sugars | Compounds functioning as activated glycosyl carriers in the biosynthesis of glycoproteins and glycophospholipids. They include the polyisoprenyl pyrophosphates. (12 Dec 1998) |
| sugars | Those carbohydrates (saccharides) having the general composition (CH2O)n and simple derivatives thereof. Although the simple monomeric sugars (glycoses) are often written as polyhydroxy aldehydes or ketones, e.g., HOCH2-(CHOH)4-CHO for aldohexoses (e.g., glucose) or HOCH2-(CHOH)3-CO-CH2OH for 2-ketoses (e.g., fructose), cyclization can give rise to varied structures as described below. Sugars are generally identifiable by the ending -ose or, if in combination with a nonsugar (aglycon), -oside or -osyl. Sugars especially d-glucose, are the chief source of energy, by oxidation, in nature, and they and their derivatives (e.g., d-glucosamine, d-glucuronic acid), in polymeric form, are major constituents of mucoproteins, bacterial cell walls, and plant structural material (e.g., cellulose). Sugars are often found in combination with steroids (steroid glycosides) and other aglycons. (05 Mar 2000) |
| dTDP-sugars | Sugars or sugar derivatives bonded to dTDP. (05 Mar 2000) |
| cap II RNA(nucleoside-2'-)methyltransferase | <enzyme> Converts cap i-terminated mRNA to cap II-terminated mRNA Registry number: EC 2.1.1.- Synonym: cap II methylase (26 Jun 1999) |
| cap I RNA (nucleoside-2'-)methyltransferase | <enzyme> Converts cap 0-terminated mRNA to cap i-terminated mRNA Registry number: EC 2.1.1.- Synonym: cap I methylase (26 Jun 1999) |
| mRNA (nucleoside-O(2'))-methyltransferase | <enzyme> Catalyses the reaction of s-adenosyl-l-methionine and m(7)g(5')pppr-RNA to yield s-adenosyl-l-homocysteine and m(7)g(5')ppprm-RNA; mRNA containing an o(2')-methylpurine cap Registry number: EC 2.1.1.57 (26 Jun 1999) |
| purine-nucleoside phosphorylase | <enzyme> An enzyme that catalyses the reaction between a purine nucleoside and orthophosphate to form a free purine plus ribose-5-phosphate. Chemical name: Purine-nucleoside:orthophosphate ribosyltransferase Registry number: EC 2.4.2.1 (12 Dec 1998) |
| pyrimidine-nucleoside phosphorylase | <enzyme> Consider uridine phosphorylase and thymidine phosphorylase Registry number: EC 2.4.2.2 Synonym: pyrimidine nucleoside phosphorylase (26 Jun 1999) |
| pyrophosphate-nucleoside kinase | <enzyme> From acholeplasma laidlawii; phosphorylates adenosine, inosine, and guanosine to the corresponding mononucleotides Registry number: EC 2.7.1.- Synonym: ppi dependent nucleoside kinase (26 Jun 1999) |
Synonyms : Diphosphate Sugars, Nucleoside, Sugars, Nucleoside Diphosphate
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