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C6905

Sigma-Aldrich

β-酪蛋白 来源于牛奶

BioUltra, ≥98% (PAGE)

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About This Item

CAS号:
9000-71-9
EC號碼:
232-555-1
MDL號碼:
MFCD00130619
分類程式碼代碼:
12352202
NACRES:
NA.61

生物源

bovine milk

產品線

BioUltra

化驗

≥98% (PAGE)

形狀

essentially salt-free, lyophilized powder

技術

activity assay: suitable

UniProt登錄號

P02666
P02668

儲存溫度

−20°C

InChI

1S/C81H125N22O39P/c1-36(2)31-50(76(132)94-43(15-24-57(87)108)71(127)101-52(34-64(120)121)78(134)98-49(81(137)138)11-7-8-30-82)99-72(128)47(19-28-61(114)115)95-77(133)51(33-63(118)119)100-73(129)48(20-29-62(116)117)97-80(136)65(37(3)104)103-75(131)44(16-25-58(88)109)92-68(124)42(14-23-56(86)107)90-67(123)41(13-22-55(85)106)91-69(125)45(17-26-59(110)111)93-70(126)46(18-27-60(112)113)96-79(135)53(35-142-143(139,140)141)102-74(130)40(12-21-54(84)105)89-66(122)39(83)32-38-9-5-4-6-10-38/h4-6,9-10,36-37,39-53,65,104H,7-8,11-35,82-83H2,1-3H3,(H2,84,105)(H2,85,106)(H2,86,107)(H2,87,108)(H2,88,109)(H,89,122)(H,90,123)(H,91,125)(H,92,124)(H,93,126)(H,94,132)(H,95,133)(H,96,135)(H,97,136)(H,98,134)(H,99,128)(H,100,129)(H,101,127)(H,102,130)(H,103,131)(H,110,111)(H,112,113)(H,114,115)(H,116,117)(H,118,119)(H,120,121)(H,137,138)(H2,139,140,141)

InChI 密鑰

BECPQYXYKAMYBN-UHFFFAOYSA-N

基因資訊

bovine ... CSN2(281099) , CSN3(281728)

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相关类别

一般說明

β-来自酪蛋白牛乳，是免疫球蛋白E（IgE）结合表位，属于分泌性钙结合磷蛋白家族。它由209个氨基酸和五个磷酸基团组成。β-酪蛋白在C-末端具有球状疏水结构域，在N末端和脯氨酸残基具有高度溶剂化和带电荷的结构域。

應用

β-酪蛋白来自牛乳，已用作蛋白水解测定中的蛋白底物。它还已用于将聚丙烯酰胺凝胶嵌入β-酪蛋白酶谱中。
它已被研究作为生物活性肽，例如鸦片制剂、免疫刺激剂、抗细菌剂和肽酶抑制剂，的产生剂。

生化／生理作用

酪蛋白（主要乳蛋白）的多态性部分。A1和B（不是A2）异构体在胃肠道蛋白水解消化过程中可产生生物活性肽，β-酪啡肽，其对人类健康具有广泛的影响。为了避免这种可能性，一些研究人员正在尝试选择含有A2异构体的奶牛。

儲存類別代碼

11 - Combustible Solids

水污染物質分類（WGK）

WGK 1

個人防護裝備

Eyeshields, Gloves, type N95 (US)

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Intrinsically disordered proteins (IDPs) are implicated in a range of human diseases, some of which are associated with the ability to bind to lipids. Although the presence of solvent-exposed hydrophobic regions in IDPs should favor their interactions with low-molecular-weight hydrophobic/amphiphilic
Bovine milk allergens: a comprehensive review
Villa C, et al.
Comprehensive Reviews in Food Science and Food Safety, 17(1), 137-164 (2018)
Crystal structure of the cysteine-rich secretory protein stecrisp reveals that the cysteine-rich domain has a K+ channel inhibitor-like fold
Guo M, et al.
The Journal of Biological Chemistry, 280(13), 12405-12412 (2005)
Elen A Perpetuo et al.
Journal of protein chemistry, 22(7-8), 601-606 (2004-01-13)
Peptides that display bradykinin-potentiating activity have been obtained from a number of distinct sources, such as snake venoms, fibrinogen, and casein. This paper describes the characterization of two new peptides generated by tryptic hydrolysis of casein. No homology was found
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HPLC Analysis of Caseins on BIOshell™ A400 Protein C4

-casein basis (electrophoresis), lyophilized powder; β-Casein from bovine milk, BioUltra, ≥98% (PAGE)

实验方案

HPLC Analysis of Caseins on BIOshell™ A400 Protein C4

-casein basis (electrophoresis), lyophilized powder; β-Casein from bovine milk, BioUltra, ≥98% (PAGE)

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