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purine

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purine
purine Phys. Chem. (ˈpjʊəriːn) Also unsystematically purin. [ad. Ger. purin, according to the inventor, Emil Fischer, ‘combined from the L. words pūrum pure, and ūricum uric (acid)’. By the Chemical Society spelt purine, as a base: see -ine5.] A white crystalline basic substance C5H4N4, having a bic... Oxford English Dictionary
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Purine analogue
Purine analogues are antimetabolites that mimic the structure of metabolic purines. It is nonenzymatically cleaved to mercaptopurine, a purine analogue that inhibits DNA synthesis. wikipedia.org
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Gout (Low Purine) Diet: Best Foods to Eat & What to Avoid
This leaner meat is, nonetheless, high in purines. Especially avoid processed deli turkey. Gravy and meat sauces. Yeast and yeast extract. What are the best foods to eat when you have gout? While eating particular foods won't be enough to make gout go away, studies suggest that certain foods and drinks may help reduce uric acid in your body.
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Purine riboswitch
facilitate purine metabolism or purine membrane uptake. to changes in purine concentration. wikipedia.org
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Gout Diet: Foods to Avoid and Low-Purine Foods to Eat Instead - WebMD
You'll want to go for low-purine options like: Low-fat and nondairy - fat products, such as yogurt and skim milk. Fresh fruits and vegetables. Nuts, peanut butter, and grains. Fat and oil ...
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Why does RNA synthesis in E.coli begin with a Purine? From Berg's Biochemistry: > Most newly synthesized RNA chains carry a highly distinctive tag on the 5′ end: the first base at that end is either pppG or pppA. Is...
> Purine-rich sequences at the 5' ends of the nascent transcripts of many genes act to stabilize the early ternary(elongation) complex.
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Purine nucleosidase
In enzymology, a purine nucleosidase () is an enzyme that catalyzes the chemical reaction a purine nucleoside + H2O D-ribose + a purine base Thus, the Other names in common use include nucleosidase, purine beta-ribosidase, purine nucleoside hydrolase, purine ribonucleosidase, ribonucleoside hydrolase, wikipedia.org
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Purine synthesis
Purine synthesis may either refer to: in vivo purine synthesis: Purine metabolism#Biosynthesis laboratory purine synthesis: Purine#Laboratory synthesis wikipedia.org
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Why does Diphenylamine only react with the deoxyribose of purines? The deoxyribose in DNA in the presence of acid forms β-hydroxylevulinaldehyde which reacts with diphenylamine to give a blue color with a sharp absorp...
In acidic solution and at high temperature, a depurination occurs several orders of magnitude faster than depyrimidination, because N-7 of the purine can
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Purine metabolism
In this way, fumarate connects purine synthesis to the citric acid cycle. Pharmacotherapy Modulation of purine metabolism has pharmacotherapeutic value. wikipedia.org
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Purine nucleoside phosphorylase
It catalyzes the chemical reaction purine nucleoside + phosphate purine + alpha-D-ribose 1-phosphate Thus, the two substrates of this enzyme are a purine Function Purine nucleoside phosphorylase is an enzyme involved in purine metabolism. wikipedia.org
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8-bromo-7-(but-2-ynyl)-3-methyl-1H-purine-2,6(3H,7H)-dione
8-bromo-7-(but-2-ynyl)-3-methyl-1H-purine-2,6(3H,7H)-dione Chemical Name: 8-bromo-7-(but-2-ynyl)-3-methyl-1H-purine-2,6(3H,7H)-dione CAS: 666816-98-4 Model No.: V-14 CBNumbe: CB22538943 Molecular Formula: C10H9BrN4O2 Formula Weight: 297 Purity: >97% Mol File: 666816-98-4.mol Application Fields: Medical field, Pharmaceutical Intermediates.
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LOINC 79668-0 Purine and Pyrimidine panel - Cerebral spinal fluid
R/O/C. Cardinality. Example UCUM Units. 79668-0. Purine and Pyrimidine panel - Cerebral spinal fluid. Indent. 75124-8. Deoxyadenosine [Moles/volume] in Cerebral spinal fluid.
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嘌呤核苷酸循環 Purine Nucleotide Cycle - Academic Accelerator
使用谷氨酰胺酶從谷氨酰胺生成谷氨酸並不理想。血漿谷氨酰胺（由腎臟釋放）也需要主動轉運（消耗 atp）至肌肉細胞。因此，在運動過程中，當 atp 儲存量較低 (adp>atp) 時，谷氨酸由支鏈氨基酸 (bcaa) 和 α-酮戊二酸以及丙氨酸和 α-酮戊二酸生成。 ...
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Purine nucleotide cycle
) and any of the purine nucleotides and nucleosides. AMP deaminase is needed to convert AMP into IMP in the purine nucleotide cycle. wikipedia.org
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