中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
1-乙酰氧基-2,3,5-三苯甲酰氧基-1-beta-D-呋喃核糖 | 1-O-acetyl-2,3,5-tri-O-benzoyl-β-D-ribofuranose | 6974-32-9 | C28H24O9 | 504.493 |
—— | methyl 5-O-benzoyl-β-D-ribofuranoside | 5517-61-3 | C13H16O6 | 268.266 |
—— | 2,3,5-tri-O-benzoyl-D-ribofuranosyl bromide | 22860-91-9 | C26H21BrO7 | 525.353 |
四乙酰核糖 | 1,2,3,5-tetraacetylribose | 13035-61-5 | C13H18O9 | 318.281 |
甲基-2,3-O-异亚丙基-beta-D-呋喃核糖苷 | ((3aR,4R,6R,6aR)-6-methoxy-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)methanol | 4099-85-8 | C9H16O5 | 204.223 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | methyl 2,3,5-tri-O-benzoyl-α-D-ribofuranoside | 52783-87-6 | C27H24O8 | 476.483 |
2,3,5-三苯甲酰基-beta-D-呋喃核糖 | 2,3,5-tri-O-benzoyl-β-D-ribofuranose | 67525-66-0 | C26H22O8 | 462.456 |
—— | pent-4-enyl 2-O-benzoyl-3,5-di-O-benzyl-β-D-ribofuranoside | 1431370-46-5 | C31H34O6 | 502.607 |
1-乙酰氧基-2,3,5-三苯甲酰氧基-1-beta-D-呋喃核糖 | 1-O-acetyl-2,3,5-tri-O-benzoyl-β-D-ribofuranose | 6974-32-9 | C28H24O9 | 504.493 |
—— | methyl 5-O-benzoyl-β-D-ribofuranoside | 5517-61-3 | C13H16O6 | 268.266 |
—— | pent-4-enyl 3,5-di-O-benzyl-β-D-ribofuranoside | 1431370-51-2 | C24H30O5 | 398.499 |
—— | pent-4-enyl 3,5-di-O-benzyl-β-D-arabinofuranoside | 205485-59-2 | C24H30O5 | 398.499 |
—— | 2,3,5-tri-O-benzoyl-β-D-ribofuranosyl-1-carbonitrile | 23316-67-8 | C27H21NO7 | 471.466 |
—— | 2,3,5-tri-O-benzoyl-D-ribofuranosyl bromide | 22860-91-9 | C26H21BrO7 | 525.353 |
—— | 3,5-di-O-benzyl-α-D-ribofuranoside-prop-2-ynyl-1,2-orthobenzoate | 1431370-36-3 | C29H28O6 | 472.538 |
—— | (2R,4R,5R)-2-pent-4-enoxy-4-phenylmethoxy-5-(phenylmethoxymethyl)oxolan-3-one | 1431370-71-6 | C24H28O5 | 396.483 |
1-叠氮基-2,3,5-三苯甲酰氧基-beta-D-呋喃核糖 | 2,3,5-tri-O-benzoyl-β-D-ribofuranosyl azide | 7408-41-5 | C26H21N3O7 | 487.469 |
甲基-2,3-O-异亚丙基-beta-D-呋喃核糖苷 | ((3aR,4R,6R,6aR)-6-methoxy-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)methanol | 4099-85-8 | C9H16O5 | 204.223 |
Nucleotides are biosynthesized from a ribose pyrophosphate species, with enzymes and magnesium ions as catalysts. Magnesium ions alone can perform this process with synthetic ribose pyrophosphates, by binding to the pyrophosphate groups and linking cyclic nitrogen bases to the ribose. In a kinase mimic ATP transfers the terminal phosphate to receptors catalyzed by magnesium ions, binding to pyrophosphate groups, but magnesium ion at low concentrations inhibits the process, and only at higher concentrations is it a catalyst. This affords great insight into the mechanism of ATP phosphorylation, a fundamental biological process. Our enzyme mimics could well operate on prebiotic earth before enzymes were present. This work strengthens the picture of how important components of life could have been formed prebiotically.
核苷酸是从核糖焦磷酸物种合成的,酶和镁离子作为催化剂。镁离子单独可以通过与焦磷酸基团结合并将环状氮碱基与核糖连接来执行这一过程。在激酶模拟物中,ATP将末端磷酸转移给受体,由镁离子催化,结合到焦磷酸基团,但低浓度的镁离子会抑制这一过程,只有在较高浓度时才是催化剂。这为我们提供了对ATP磷酸化机制的深刻洞察,这是一种基本的生物过程。我们的酶模拟物很可能在酶出现之前就在前生地球上发挥作用。这项工作加强了生命重要组分可能在前生地化学条件下形成的观点。