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Merck
CN

C0406

κ-酪蛋白 来源于牛奶

≥70% (PAGE), lyophilized powder

别名:

Kappa-Casein

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化学文摘社编号:
UNSPSC Code:
12352202
NACRES:
NA.61
EC Number:
232-555-1
MDL number:
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产品名称

κ-酪蛋白 来源于牛奶, ≥70% (PAGE), lyophilized powder

SMILES string

[P](=O)(OCC(NC(=O)C(NC(=O)C(N)Cc1ccccc1)CCC(=O)N)C(=O)NC(CCC(=O)O)C(=O)NC(CCC(=O)O)C(=O)NC(CCC(=O)N)C(=O)NC(CCC(=O)N)C(=O)NC(CCC(=O)N)C(=O)NC(C(O)C)C(=O)NC(CCC(=O)O)C(=O)NC(CC(=O)O)C(=O)NC(CCC(=O)O)C(=O)NC(CC(C)C)C(=O)NC(CCC(=O)N)C(=O)NC(CC(=O)O)C(=O)NC(C

InChI key

BECPQYXYKAMYBN-UHFFFAOYSA-N

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)

biological source

bovine milk

assay

≥70% (PAGE)

form

lyophilized powder

technique(s)

isoelectric focusing (IEF): suitable

storage temp.

−20°C

Quality Level

Gene Information

Application

κ-酪蛋白(来源于牛奶)已用于:
  • 作为标准品定量分析酪蛋白浓度,评估菌株水解HM Mozzarella奶酪中酪蛋白的能力
  • 制备LPS缺失母牛牛奶蛋白质以用于淋巴细胞增殖检测
  • 作为反相高效液相色谱法(RP-HPLC)标准品,用于定量分析脱脂牛奶样本中的κ-酪蛋白浓度

Biochem/physiol Actions

κ-酪蛋白(来自牛乳)是属于酪蛋白磷蛋白家族的免疫球蛋白E(IgE)结合表位。κ-酪蛋白对酪蛋白胶束悬液的静电和空间稳定性具有重要作用。它可抗钙沉淀,因此可稳定其他酪蛋白。κ-酪蛋白一直是通过基因修饰制造低苯丙氨酸牛奶的研究对象,这对患有苯丙酮尿症(PKU)等代谢性疾病的患者很重要。

General description

酪蛋白占牛奶总蛋白的80%。κ-酪蛋白是牛奶中主要的过敏原之一。它是由半乳糖、半乳糖胺和唾液酸组成的糖基化蛋白。以三糖或四糖形式存在,根据连接的寡糖数目表现为不同的亚型。κ-酪蛋白具有疏水性N末端和亲水性C末端区域。

存储类别

11 - Combustible Solids

wgk

WGK 1

ppe

Eyeshields, Gloves, type N95 (US)

法规信息

低风险生物材料
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历史批次信息供参考:

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Genetic variants of bovine $\beta$-and $\kappa$-casein result in different immunoglobulin E-binding epitopes after in vitro gastrointestinal digestion
Lisson M, et al.
Journal of Dairy Science, 96, 5532-5543 (2013)
Mária Baranyi et al.
Journal of biotechnology, 128(2), 383-392 (2006-12-13)
Patients suffering certain metabolic diseases (e.g. phenylketonuria) need a low-phenylalanine diet throughout their lives. Transgenic rabbits were created to express low-phenylalanine kappa-casein in their milk. The aim was to demonstrate for the first time the feasibility of producing a modified
Paramjit S Bansal et al.
Biochemical and biophysical research communications, 340(4), 1098-1103 (2006-01-13)
The caseins (alphas1, alphas2, beta, and kappa) are phosphoproteins present in bovine milk that have been studied for over a century and whose structures remain obscure. Here we describe the chemical synthesis and structure elucidation of the N-terminal segment (1-44)
Control of Mozzarella spoilage bacteria by using bovine lactoferrin pepsin-digested hydrolysate
Worldwide Research Efforts in the Fighting Against Microbial Pathogens From Basic Research to Technological Developments, 118-122 (2013)
Antigen-specific T-cell responses in patients with non-IgE-mediated gastrointestinal food allergy are predominantly skewed to T(H)2.
Hideaki Morita et al.
The Journal of allergy and clinical immunology, 131(2), 590-592 (2012-10-23)

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