詳細(xì)介紹
α-淀粉酶 來(lái)源于人類(lèi)唾液Sigma
α-淀粉酶 來(lái)源于人類(lèi)唾液Sigma
產(chǎn)品描述
General description
We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product has been enhanced for energy efficiency and waste prevention when used in starch ethanol research. For more information see the article in biofiles.
人α-淀粉酶由包含496個(gè)氨基酸的單個(gè)多肽鏈組成,其在1號(hào)染色體上進(jìn)行編碼。其在唾液腺或胰腺中產(chǎn)生。唾液和胰腺α-淀粉酶具有同源的一級(jí)序列,但表現(xiàn)出不同的切割模式。[1]
Application
α-淀粉酶可用于水解α-連接多糖(例如淀粉和糖原)的α鍵。產(chǎn)品A1031來(lái)自人唾液,屬I(mǎi)IA型,并以?xún)龈煞勰┬问教峁?alpha;-淀粉酶已被用于各種植物研究,如 擬南芥 的代謝研究 [2]。 來(lái)自人類(lèi)唾液的α-淀粉酶已被用于營(yíng)養(yǎng)保健品的開(kāi)發(fā),其可能有助于治療糖尿病和肥胖癥 [4]。
包裝
1000, 5000 units in glass bottle
Biochem/physiol Actions
α-淀粉酶可水解三個(gè)或更多個(gè)D-葡萄糖單元通過(guò)α-(1,4)連接的多糖中的α-(1,4)葡聚糖鍵。天然底物(如淀粉和糖原)可被分解成葡萄糖和麥芽糖。[3]
Unit Definition
在pH 6.9、溫度20 °C條件下,一個(gè)單位可在3分鐘內(nèi)從淀粉中釋放出1.0 mg麥芽糖。
Physical form
含有(NH4)2SO4、檸檬酸鈉和氯化鈉的凍干粉。
性質(zhì)
| Related Categories | α-Amylase, 3.2.x.x Glycosidases, 3.x.x.x Hydrolases, Amylases, α-Glucosidase for Starch Hydrolysis (Amylose and Amylopectin) and Glycogen, Application Index, Carbohydrate Hydrolysis, Carbohydrate hydrolysis & PTM analysis, Chemical Synthesis, Complex Carbohydrate Analysis, Enabling Products, Enzyme Class Index, Enzymes for Alternative Energy Research, Enzymes for Lignocellulosic Ethanol Research, Greener Alternative Products, Other Enabling Products, Starch and Pectin Hydrolysis, 生化試劑, 酶、抑制劑和底物 Less... |
| Quality Level | 200 |
| type | Type XIII-A |
| form | lyophilized powder |
| composition | Protein, 5-15% biuret |
| greener alternative product characteristics | Waste Prevention Design for Energy Efficiency Learn more about the Principles of Green Chemistry. |
| greener alternative category | Enabling |
| storage temp. | −20°C |
| Gene Information | human ... AMY1A(276) |
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