• Thumbnail for Ribose 5-phosphate
    Ribose 5-phosphate (R5P) is both a product and an intermediate of the pentose phosphate pathway. The last step of the oxidative reactions in the pentose...
    14 KB (1,491 words) - 12:54, 13 October 2023
  • Thumbnail for Ribose-5-phosphate isomerase
    Ribose-5-phosphate isomerase (Rpi) encoded by the RPIA gene is an enzyme (EC 5.3.1.6) that catalyzes the conversion between ribose-5-phosphate (R5P) and...
    17 KB (2,158 words) - 15:16, 23 December 2023
  • Ribose-5-phosphate isomerase deficiency (RPID) is a rare human disorder caused by mutations in ribose-5-phosphate isomerase, an enzyme of the pentose...
    11 KB (1,165 words) - 21:35, 20 May 2024
  • Thumbnail for Pentose phosphate pathway
    and pentoses (5-carbon sugars) as well as ribose 5-phosphate, a precursor for the synthesis of nucleotides. While the pentose phosphate pathway does involve...
    11 KB (1,112 words) - 17:58, 6 May 2024
  • Thumbnail for Ribose-phosphate diphosphokinase
    Ribose-phosphate diphosphokinase (or phosphoribosyl pyrophosphate synthetase or ribose-phosphate pyrophosphokinase) is an enzyme that converts ribose...
    14 KB (1,500 words) - 08:30, 6 May 2024
  • Thumbnail for Ribose
    derivatives. The ribose moiety appears in some pharmaceutical agents, including the antibiotics neomycin and paromomycin. Ribose as its 5-phosphate ester is typically...
    31 KB (3,184 words) - 04:19, 1 January 2024
  • enzymology, a ribose-5-phosphate adenylyltransferase (EC 2.7.7.35) is an enzyme that catalyzes the chemical reaction ADP + D-ribose 5-phosphate ⇌ {\displaystyle...
    2 KB (160 words) - 15:44, 26 August 2023
  • Thumbnail for Ribulose 5-phosphate
    phosphopentose isomerase to form Ribose 5-phosphate, which is a precursor for nucleotide and co-factor biosynthesis. Ribulose-5 phosphate can also be acted upon...
    4 KB (280 words) - 06:02, 20 May 2024
  • The enzyme deoxyribose-phosphate aldolase (EC 4.1.2.4) catalyzes the reversible chemical reaction 2-deoxy-D-ribose 5-phosphate ⇌ {\displaystyle \rightleftharpoons...
    14 KB (1,531 words) - 20:50, 28 January 2024
  • acetoin-ribose-5-phosphate transaldolase (EC 2.2.1.4) is an enzyme that catalyzes the chemical reaction 3-hydroxybutan-2-one + D-ribose 5-phosphate ⇌ {\displaystyle...
    2 KB (197 words) - 12:54, 26 August 2023
  • enzymology, a ribose-5-phosphate—ammonia ligase (EC 6.3.4.7) is an enzyme that catalyzes the chemical reaction ATP + ribose 5-phosphate + NH3 ⇌ {\displaystyle...
    2 KB (129 words) - 15:44, 26 August 2023
  • Thumbnail for Amino acid synthesis
    allosterically inhibits Glutamate 5-kinase which catalyzes the reaction from L-glutamate to an unstable intermediate L-γ-Glutamyl phosphate. Arginine synthesis also...
    31 KB (3,929 words) - 22:03, 28 April 2024
  • Deoxyribose (redirect from 2-deoxy-D-ribose)
    guanine or cytosine) attached to the 1′ ribose carbon. The 5′ hydroxyl of each deoxyribose unit is replaced by a phosphate (forming a nucleotide) that is attached...
    6 KB (555 words) - 06:58, 27 January 2024
  • 5′-phosphate synthase (glutamine hydrolysing) (EC 4.3.3.6, PdxST) is an enzyme with systematic name D-ribose 5-phosphate,D-glyceraldehyde 3-phosphate...
    4 KB (447 words) - 15:37, 26 August 2023
  • Pentose (redirect from 5-Carbon Sugar)
    pentoses are important products of the pentose phosphate pathway, most importantly ribose 5-phosphate (R5P), which is used in the synthesis of nucleotides...
    8 KB (794 words) - 18:13, 24 October 2023
  • Thumbnail for Phosphoribosyl pyrophosphate
    is formed from ribose 5-phosphate (R5P) by the enzyme ribose-phosphate diphosphokinase: It plays a role in transferring phospho-ribose groups in several...
    11 KB (921 words) - 11:15, 20 October 2023
  • Thumbnail for Sugar phosphates
    and RNA consists of pairs of deoxyribose or ribose sugars linked by phosphates at the respective 3' and 5' positions. The backbone is negatively charged...
    5 KB (671 words) - 04:45, 4 July 2023
  • Thumbnail for 5'-nucleotidase
    nucleotides and has been shown to hydrolyze 5'nucleotides rapidly, ribose-5-phosphate slowly, and other phosphate esters extremely slowly (if at all). The...
    15 KB (1,598 words) - 21:11, 19 February 2024
  • helping transport ribose into cells and producing β-D-ribofuranose, which can later be used to make ribose 5-phosphate for the pentose phosphate pathway (PPP)...
    12 KB (1,588 words) - 20:00, 6 May 2024
  • the chemical reaction uracil + D-ribose 5-phosphate ⇌ {\displaystyle \rightleftharpoons } pseudouridine 5′-phosphate + H2O This enzyme belongs to the...
    3 KB (268 words) - 15:36, 26 August 2023
  • D-ribose 5-phosphate ⇌ {\displaystyle \rightleftharpoons } ADP + D-ribose 1,5-bisphosphate Thus, the two substrates of this enzyme are ATP and D-ribose...
    2 KB (167 words) - 23:13, 1 September 2023
  • Thumbnail for TKTL1
    (TKT-TKT), as the heterodimer leads to a significant increase in ribose-5-phosphate in cells. TKTL1 also allows formation of acetyl-CoA, an important...
    36 KB (4,292 words) - 05:45, 27 April 2024
  • their fifth birthdays. With only four diagnosed patients in 27 years, ribose-5-phosphate isomerase deficiency is considered the 2nd rarest known genetic disease...
    24 KB (2,297 words) - 07:59, 26 March 2024
  • 2.22) D-sedoheptulose 7-phosphate + phosphate ⇌ {\displaystyle \rightleftharpoons } acetyl phosphate + D-ribose 5-phosphate + H2O Phosphoketolase is...
    6 KB (572 words) - 23:57, 2 December 2023
  • {\displaystyle \rightleftharpoons } D-ribose 5-phosphate + a pyrimidine base Thus, the two substrates of this enzyme are pyrimidine 5'-nucleotide and H2O, whereas...
    2 KB (186 words) - 15:38, 26 August 2023
  • Thumbnail for Calvin cycle
    The ketose S7P has two carbons removed by transketolase, giving ribose-5-phosphate (R5P), and the two carbons remaining on transketolase are transferred...
    23 KB (2,704 words) - 08:39, 27 May 2024
  • Thumbnail for Ribokinase
    d-ribose ⇌ ADP + d-ribose 5-phosphate Thus, the two substrates of this enzyme are ATP and d-ribose, whereas its two products are ADP and d-ribose 5-phosphate...
    5 KB (538 words) - 15:43, 26 August 2023
  • Thumbnail for Orotidine 5'-phosphate decarboxylase
    reaction in pyrimidine nucleotide biosynthesis, the transfer of ribose 5-phosphate from 5-phosphoribosyl-1-pyrophosphate to orotate to form OMP. In organisms...
    10 KB (1,182 words) - 15:15, 26 August 2023
  • \rightleftharpoons } CMP + phosphocholine (2) ADP-ribose + H2O ⇌ {\displaystyle \rightleftharpoons } AMP + D-ribose 5-phosphate This enzyme requires Mn2+, which cannot...
    2 KB (201 words) - 14:59, 26 August 2023
  • Thumbnail for Guanosine monophosphate
    acid with the nucleoside guanosine. GMP consists of the phosphate group, the pentose sugar ribose, and the nucleobase guanine; hence it is a ribonucleotide...
    7 KB (567 words) - 00:05, 29 April 2024