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Merck

COLLDISP-RO

Roche

胶原酶/中性蛋白酶®

lyophilized, non-sterile, optimum pH 7.0-8.0

别名:

胶原蛋白酶

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About This Item

分類程式碼代碼:
12352204

生物源

enzyme from Bacillus polymyxa ( Dispase )
enzyme from bacterial ( Collagenase from Vibrio alginolyticus)

品質等級

無菌

non-sterile

形狀

lyophilized

collagenase activity

>0.1 U/mg lyophilizate, 25 °C (4-phenyl-azobenzyl-oxycarbonyl-Pro-Leu-Gly-Pro-D-Arg as substrate)

比活性

>0.8 U/mg lyophilizate, pH 7.5, 37 °C (casein as substrate, Dispase)

包裝

pkg of 100 mg (10269638001)
pkg of 500 mg (11097113001)

製造商/商標名

Roche

濃度

1 mg/mL (Collagenase: 0.1U/mL, Dispase: 0.8U/mL)

技術

tissue processing: suitable

顏色

light yellow to brown

最適pH

7.0-8.0

溶解度

water: soluble

UniProt登錄號

應用

life science and biopharma
sample preparation

異物活動

proteolytic activities <0.1 U/mg (hemoglobin as the substrate)

儲存溫度

2-8°C

一般說明

分散酶是一种中性、快速反应、温和的蛋白酶,能将表皮从真皮中完整分离。它还能将培养的上皮细胞从基质中完整分离出来。其可分裂基底膜区,使上皮细胞保持完整。胶原酶是一种分解三螺旋蛋白胶原蛋白的蛋白酶。组织胶原酶分三种类型,它们属于基质金属蛋白酶(MMP)家族。溶组织性梭状芽孢杆菌中提取的胶原酶具有很强的活性,因为它可在低至4-10℃的温度下,从两端消化胶原蛋白。

特異性

胶原酶降解天然胶原蛋白。中性蛋白酶® 是一种非特异性的金属蛋白酶。

應用

胶原酶/中性蛋白酶® 用于从多种不同的组织和器官中制备细胞。

成分

EC 3.4.24.4 & 3.4.24.3

單位定義

一个单位是指,在1分钟内在反应条件下释放出1 μmol酪氨酸对应的Folin-阳性氨基酸和多肽所需的酶活性。

準備報告

激活剂:Ca2+

工作浓度:约为1mg/mL(胶原酶:0.1U/mL,中性蛋白酶:0.8U/mL

酶活性:
胶原酶:0.1 Wünsch U/mg冻干粉(+ 25°C,4-苯基-偶氮苄基-氧基羰基-Pro-Leu-Gly-Pro-D-Arg作为底物)
中性蛋白酶®:0.8 Wünsch U/mg冻干粉(+ 37°C,酪蛋白为底物,pH 7.5)
污染蛋白水解活性:<0.1U/mg 冻干粉 (血红蛋白作为底物)

工作溶液:工作溶液制备 将酶溶于水中,使其终浓度为100mg/mL。用PBS(不含Ca2+/Mg2+)稀释至终浓度为1mg/mL,并采用无菌0.2μm 过滤膜过滤。
吴军溶液的酶浓度:胶原酶,0.1U/mL PBS; 中性蛋白酶®, 0.8U/mL PBS。

抑制剂:
胶原酶抑制剂:EDTA, EGTA
血清不能抑制胶原酶/中性蛋白酶。

保存条件(工作溶液):-15 至 -25°C
复溶的储备溶液在-15至-25°C下稳定。
注:适当分装保存并避免反复冻融!

重構

复溶于水中(100mg/mL)后续稀释采用PBS(磷酸缓冲盐)(不含Ca2+/Mg2+)。

儲存和穩定性

干燥储存

其他說明

仅用于生命科学研究。不可用于诊断。
胶原酶来源于 溶藻弧菌, 中性蛋白酶® 来源于 多粘芽孢杆菌

法律資訊

Dispase is a registered trademark of Godo Shusei Co., Ltd.

象形圖

Exclamation markHealth hazard

訊號詞

Danger

危險分類

Eye Irrit. 2 - Resp. Sens. 1 - Skin Irrit. 2 - STOT SE 3

標靶器官

Respiratory system

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 1

閃點(°F)

does not flash

閃點(°C)

does not flash


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