庫存單位: PKSH031681_50μg-ES

重組人類 HGFA 蛋白(His 標籤),50 μg

HGF活化劑(HGFA)是一種血清來源的絲胺酸蛋白酶,屬於勝肽酶家族S1。 HGFA負責將肝細胞生長因子(HGF)從無活性的單鏈前體轉化為活性異二聚體形式,後者是肝細胞、上皮細胞和內皮細胞的強效絲裂原、運動原和形態發生素。 HGFA 由肝臟合成和分泌,在正常狀態下以無活性的單股酶原形式在血漿中循環。酶原被凝血酶或嗜熱菌蛋白酶透過內切蛋白酶裂解,形成以二硫鍵連接的活性異二聚體。反過來,活性蛋白酶可以被 HGFA 抑制劑 (HAI) 抑制,包括 HAI-1 和 HAI-2。此外,HGFA酶原在活化後具有強親和力,因此可保證在肝臟、腎臟和皮膚的組織再生中發揮局部作用。有報告指出,HGF的活化是Met介導的HGF/SF誘導訊號路徑中關鍵的限制步驟,因此,HGFA的異常表達與腫瘤的發生和發展有關。

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Product Specification

Basic Information

Brands:Elabscience

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Place of Origin:中國

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Reconstitution:請參閱印刷手冊以取得詳細資訊。

Shipping:本產品以凍乾粉形式提供,並附冰袋運送。

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Calculated Molecular Weight:68.2 kDa

Observed Molecular Weight:34&37&65&105 kDa

Purity: 以還原 SDS-PAGE 測定,結果 > 95%。

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Storage:一般來說,冷凍乾燥蛋白在-20至-80℃保存可穩定保存長達12個月。重建後的蛋白溶液可在4-8℃保存2-7天。重建樣品的等分試樣在 < -20℃ 穩定保存 3 個月。

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Calculated Molecular Weight:68.2 kDa

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Endotoxin: 經 LAL 方法測定,每 μg 蛋白質含量 < 1.0 EU。

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Bio-activity:未驗證活動

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Formulation:由無菌 PBS 冷凍乾燥而成,pH 值為 7.4
通常在冷凍乾燥前會添加5%~8%的海藻糖、甘露醇和0.01%的吐溫80作為保護劑。
請參閱印刷手冊中的具體緩衝液資訊。

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