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Key Documents

L8146

Sigma-Aldrich

来自 荆豆(gorse、furze)的凝集素

peroxidase conjugate, lyophilized powder

同義詞:

荆豆凝集素, UEA-I

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About This Item

分類程式碼代碼:
12352202
NACRES:
NA.32

生物源

Ulex europaeus

品質等級

共軛

peroxidase conjugate

化驗

70.00-90.00% (Lowry)

形狀

lyophilized powder

效力

<40 μg/mL agglutination activity

peroxidase activity

≥15 units/mg protein

成份

Protein, ~80% Lowry

技術

western blot: suitable

儲存溫度

2-8°C

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相關類別

應用

通用蛋白质印迹方案:
  • 糖蛋白样品规格:500ng
  • 凝集素浓度: 0.1ug/ml

  1. 每条泳道上样500 ng糖蛋白样品
  2. 进行4-20% Bis-Tris SDS page凝胶
  3. 转凝胶至PVDF膜上
  4. 用于RIPA缓冲液(R0278 Sigma)在室温对膜进行封闭1小时
  5. 在室温用RIPA缓冲液以0.1 ug/ml孵育HRP凝集素2小时
  6. 用25ml RIPA缓冲液洗膜 5 x 5分钟
  7. 用化学发光底物(CPS1-120)进行检测

生化/生理作用

荆豆凝集素具有抗H血型特异性。凝集素有两种类型: UEA I 对 L-岩藻糖具有亲和力,而 UEA II 对 N,N′-二乙酰壳二糖具有亲和力。最初认为UEA I摩尔量为170,000道尔顿。 后来的报道表明,UEA I可以在中性和碱性pH下形成聚集体,正确的摩尔量是68,000道尔顿。

包裝

包装尺寸基于蛋白质含量。

聯結

由亲和纯化的凝集素制备缀合物。

單位定義

一单位在20℃、pH 6.0条件下,在20秒内从邻苯三酚形成1.0 mg的红棓酚。

外觀

含有柠檬酸钠缓冲盐

準備報告

由过氧化物酶,VI型(P8375),使用Avrameas和Ternyck的两步戊二醛方法制备。
偶联后通过亲和层析重新纯化。

分析報告

凝集活性以μg/ml表示,由磷酸盐缓冲盐水(pH 6.8)连续稀释1 mg/ml溶液而测得。该活性是指25℃孵育1小时后使2%人O型血红细胞悬浮液凝集的最低浓度。

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 3

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

Eyeshields, Gloves, type N95 (US)


分析證明 (COA)

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