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SRP3027

Sigma-Aldrich

EGF 人

Animal-component free, recombinant, expressed in E. coli, ≥98% (SDS-PAGE), ≥98% (HPLC), suitable for cell culture

别名:

URG, 尿抑胃素, 表皮生长因子

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500 μG
$552.00

$552.00


国内现货,预计发货时间2025年4月14日详情


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500 μG
$552.00

About This Item

UNSPSC代码:
12352202
NACRES:
NA.32

$552.00


国内现货,预计发货时间2025年4月14日详情


获取大包装报价

生物来源

human

重组

expressed in E. coli

方案

≥98% (HPLC)
≥98% (SDS-PAGE)

表单

lyophilized

效能

≤0.2 ng/mL

分子量

6.2 kDa

包装

pkg of 500 μg

技术

cell culture | mammalian: suitable

杂质

<0.1 EU/μg endotoxin, tested

颜色

white to off-white

UniProt登记号

运输

wet ice

储存温度

−20°C

基因信息

human ... EGF(1950)

一般描述

基因 EGF(表皮生长因子)定位于人染色体 4q25-27。[1]EGF 基因编码大的I型膜锚定前体蛋白,其被切割成 pro-EGF以产生肽激素EGF。mRNA在肾、唾液腺、大脑和前列腺中表达。[2]重组人EGF是一种 6.2kDa 球状蛋白,含有53个氨基酸残基,包括 3个分子内二硫键。

应用

EGF(表皮生长因子)人已经在培养基中用于维持 MCF10A细胞(人乳腺上皮细胞)。[2]

生化/生理作用

EGF(表皮生长因子)是一种有效的生长因子,可刺激各种表皮和上皮细胞的增殖。[3]另外,EGF已表现出抑制胃分泌并参与伤口愈合的作用。[4][5]EGF通过称为c-erbB的受体发出信号,该受体是I 类酪氨酸激酶受体。[6]该受体还与TGF(转化生长因子)-α和VGF(痘苗病毒生长因子)结合。EGF 基因的突变可能与非小细胞肺腺癌的风险相关。[1]它还涉及甲状腺未分化癌和肾性低镁血症。它控制细胞分化和神经营养过程。[7][8]

序列

NSDSECPLSH DGYCLHDGVC MYIEALDKYA CNCVVGYIGE RCQYRDLKWW ELR

外形

冻干,无添加剂。

重悬

开盖前先离心试剂管。 在水中重悬至浓度为0.1-1.0mg/ml。 不要涡旋。 该溶液可在2-8℃ 下储存,长达 1 周。 要长期储存,建议在含有稳定剂(例如5% 海藻糖)的缓冲液中进一步稀释,并在-20°C至-80°C,以工作等分试样储存。

储存分类代码

11 - Combustible Solids

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable


历史批次信息供参考:

分析证书(COA)

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商品

Discover answers to your frequently asked questions about animal component-free, xenobiotic-free, and chemically defined media and reagents for cell culture.

Questions

  1. Is it necessary to dilute item no: SRP3027-500UG in a buffer with a stabilizer for extended storage as mentioned in the reconstitution portion of the specification. If so, would D-(+)-Trehalose dihydrate (cat#T0167) be appropriate? Also, specify the buffer considering that water is indicated as an appropriate diluent in the specifications.

    1 answer
    1. After reconstituting the protein in water, it remains active and stable at 2-8°C for up to a week. However, for long-term stabilization at -20 to -80°C, further dilution with a buffer containing a carrier is necessary to prevent activity loss. It is recommended to use 5% trehalose or 0.1% BSA in water or PBS for extended storage. Working aliquots should have a minimum volume of 10 uL and a concentration above 1 ug/ml for optimal stability.

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