O-乙醯絲胺酸
| 中文名稱 | O-乙醯絲胺酸 |
|---|---|
| 中文同義詞 | O-乙醯絲胺酸;O-乙酰-L-絲氨酸, >98%;O-乙酰基-L-絲氨酸 |
| 英文名稱 | O-ACETYL-L-SERINE |
| 英文同義詞 | O-ACETYL-L-SERINE;(2S)-2-[[3-hydroxy-2-methyl-5-(phosphonooxymethyl)pyridin-4-yl]methylamino]-4-methylsulfanyl-butanoic acid;C00979;L-Serine, O-acetyl-;(2S)-3-(acetyloxy)-2-aminopropanoic acid;O-Acetylserine, >98%;(S)-3-Acetoxy-2-aminopropanoic acid;O-ACETYL-L-SERINE USP/EP/BP |
| CAS號 | 5147-00-2 |
| 分子式 | C5H9NO4 |
| 分子量 | 147.13 |
| EINECS號 | |
| 相關(guān)類別 | 天然氨基酸極其衍生物 |
| Mol文件 | 5147-00-2.mol |
| 結(jié)構(gòu)式 |  |
O-乙醯絲胺酸 性質(zhì)
| 熔點(diǎn) | 151.5-151.8 °C |
|---|---|
| 沸點(diǎn) | 297.7±35.0 °C(Predicted) |
| 密度 | 1.299±0.06 g/cm3(Predicted) |
| 儲存條件 | 2-8°C |
| 溶解度 | 酸水溶液（少量，超聲處理）、甲醇（非常少量）、水（少量溶解） |
| 形態(tài) | 固體 |
| 酸度系數(shù)(pKa) | 1.98±0.10(Predicted) |
| 顏色 | 白色至類白色 |
O-Acetylserine是細(xì)菌和植物中半胱氨酸生物合成的中間物。
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Human Endogenous Metabolite
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O-acetylserine (OAS) is a central metabolite of sulfur assimilation, providing the carbon backbone for synthesis of cysteine. Sulfide generated through sulfate reduction is incorporated into OAS to form cysteine. OAS displays a signalling function leading to changes in transcript levels of a specific gene set irrespective of the sulfur status of the plant. Treatment with external OAS increases sulfate transporter and adenosine 5′-phosphosulfate reductase gene expression consistent with a model of transcriptional induction by OAS.
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