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Merck
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文件

C4765

Sigma-Aldrich

酪蛋白 溶液 来源于牛奶

5% in water

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About This Item

CAS号:
9000-71-9
MDL號碼:
MFCD00081481
分類程式碼代碼:
12352202
NACRES:
NA.61

生物源

bovine milk

品質等級

200

形狀

liquid

濃度

5% in water

技術

activity assay: suitable
electrophoresis: suitable
immunocytochemistry: suitable

UniProt登錄號

P02662
P02663
P02666
P02668

儲存溫度

2-8°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 ... CSN1S1(282208) , CSN1S2(282209) , CSN2(281099) , CSN3(281728)

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一般說明

酪蛋白是一种钙（磷酸盐）结合磷蛋白。它存在于哺乳动物乳汁中，约占所有牛奶蛋白的 80%。牛奶由四种酪蛋白肽组成，例如 αs1-、αs2-、β-和 κ-酪蛋白。酪蛋白以胶束形式存在于牛奶中。来源于牛的酪蛋白是由乳腺在多激素控制下产生的。

應用

牛乳中的酪蛋白溶液已被用于：
  • 测定碎牛肉中蛋白酶的活性及其对细菌素的影响
  • 作为非特异性底物来测量蛋白磷酸酶 2C（PP2C）融合的活性
  • 十二烷基硫酸钠（SDS）-聚丙烯酰胺凝胶，用于酪蛋白酶谱分析

牛乳中的酪蛋白溶液已被用作环腺苷酸依赖性蛋白激酶的底物。

生化／生理作用

酪蛋白胶束系统会抑制乳腺的病理性钙化。它是新生儿生长所需氨基酸的来源。

準備報告

经水解和部分去磷酸化。用 α、β 和 κ 酪蛋白的混合物制备。

儲存類別代碼

10 - Combustible liquids

水污染物質分類（WGK）

WGK 1

閃點（°F）

Not applicable

閃點（°C）

Not applicable

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