Purine is a heterocyclic aromatic organic compound that consists of two rings (pyrimidine and imidazole) fused together. It is water-soluble. Purine also...
24 KB (2,506 words) - 18:55, 16 October 2024
Purine metabolism refers to the metabolic pathways to synthesize and break down purines that are present in many organisms. Purines are biologically synthesized...
15 KB (1,637 words) - 01:03, 23 August 2024
Purine analogues are antimetabolites that mimic the structure of metabolic purines. Nucleobase analogues Thiopurines such as thioguanine are used to treat...
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Nucleotide base (section Modified purine nucleobases)
have a fused-ring skeletal structure derived of purine, hence they are called purine bases. The purine nitrogenous bases are characterized by their single...
15 KB (1,439 words) - 15:59, 6 November 2024
Nucleotide (section Purine ribonucleotide synthesis)
linked. Purines, however, are first synthesized from the sugar template onto which the ring synthesis occurs. For reference, the syntheses of the purine and...
32 KB (3,305 words) - 17:40, 3 September 2024
Purine synthesis may either refer to: in vivo purine synthesis: Purine metabolism#Biosynthesis laboratory purine synthesis: Purine#Laboratory synthesis...
188 bytes (51 words) - 20:12, 29 December 2019
Xanthine (redirect from 1H-purine-2,6-diol)
archaically xanthic acid; systematic name 3,7-dihydropurine-2,6-dione) is a purine base found in most human body tissues and fluids, as well as in other organisms...
14 KB (956 words) - 13:38, 29 October 2024
In enzymology, a purine nucleosidase (EC 3.2.2.1) is an enzyme that catalyzes the chemical reaction a purine nucleoside + H2O ⇌ {\displaystyle \rightleftharpoons...
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Caffeine (redirect from 1,3,7-trimethyl-1H-purine-2,6(3H,7H)-dione 3,7-dihydro-1,3,7-trimethyl-1H-purine-2,6-dione)
beyond usual human consumption. Caffeine is a bitter, white crystalline purine, a methylxanthine alkaloid, and is chemically related to the adenine and...
201 KB (20,074 words) - 21:07, 7 November 2024
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...
14 KB (1,511 words) - 15:37, 26 August 2023