48275
β-ガラクトシダーゼ 大腸菌由来
suitable for enzyme immunoassay, lyophilized, powder, ~140 U/mg
別名:
β-D-ガラクトシドガラクトヒドロラーゼ, ラクターゼ
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この商品について
CAS番号:
UNSPSC Code:
12352204
NACRES:
NA.54
EC Number:
232-864-1
MDL number:
製品名
β-ガラクトシダーゼ 大腸菌由来, suitable for enzyme immunoassay, lyophilized, powder, ~140 U/mg
form
powder
quality
lyophilized
specific activity
~140 U/mg
mol wt
Mr ~135000
contains
phosphate buffer as stabilizer
sucrose as stabilizer
technique(s)
enzyme immunoassay: suitable
shipped in
wet ice
storage temp.
−20°C
Quality Level
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関連するカテゴリー
Application
透析やゲル濾過クロマトグラフィ-を行うことなく、そのまま誘導体化に使用することのできる水溶液です。
Biochem/physiol Actions
β-ガラクトシダーゼは、ラクトースをその単糖成分であるグルコースとガラクトースに切断します。また、グルコースからアロラクトース（β-ガラクトシダーゼの誘導物質）への糖転移をフィードバックループ内で触媒します。
General description
四量体の分子量:465 kDa(各サブユニットの分子量は116.3 kDa)
Other Notes
1 Uは、pH 7.8、37°C、1分間で、1 μmolの2-ニトロフェニル-β-D-ガラクトピラノシド(製品番号73660)を加水分解する酵素量に相当します。
Used in a highly sensitive enzyme-linked immunoassay of human IgG with 4-methylumbelliferyl-β-D-galactoside (Catalog No. 69590) ; Evaluation of β-D-galactosidase (E. coli) and horse radish peroxidase as labels by sandwich enzyme immunoassay technique ; Enzyme immunoassay of thyrptropin releasing hormone (TRH) ; Preparation of enzyme-antibody conjugates.
Packaging
底の開いたガラス瓶内容物は内部に挿入され接着された円錐部に入っています。
保管分類
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
M Takeyama et al.
Chemical & pharmaceutical bulletin, 40(8), 2199-2201 (1992-08-01)
A sensitive and specific double-antibody enzyme immunoassay (EIA) for a thyrotropin releasing hormone (TRH)-like immunoreactive substance has been developed. In order to synthesize TRH-labeled beta-D-galactosidase (beta-gal), a newly devised TRH derivative, pGlu-His-Pro-NH-(CH2)6-NH2 (TRH-Hex), was employed. TRH-Hex was linked to beta-gal
K Kato et al.
European journal of biochemistry, 62(2), 285-292 (1976-02-16)
Rabbit immunoglobulin G (IgG) was reduced by incubating with 10 mM 2-mercaptoethylamine and then treated with excess amounts of N,N'-o-phenylenedimaleimide. As a result, maleimide residues were introduced into rabbit IgG molecules. Rabbit IgG containing maleimide residues could be coupled to
M Imagawa et al.
Annals of clinical biochemistry, 21 ( Pt 4), 310-317 (1984-07-01)
beta-D-galactosidase from Escherichia coli and horseradish peroxidase were evaluated as labels of Fab' in dose-response curves for human alpha-fetoprotein and human chorionic gonadotropin by sandwich enzyme immunoassay technique using fluorogenic substrates for enzyme assay. The non-specific binding of Fab'-peroxidase conjugates
Comparison of two methods of preparing enzyme-antibody conjugates: application of these conjugates for enzyme immunoassay.
M J O'Sullivan et al.
Analytical biochemistry, 100(1), 100-108 (1979-11-15)
Christophe Laumonnerie et al.
Development (Cambridge, England), 141(3), 594-603 (2014-01-23)
The establishment of anatomically stereotyped axonal projections is fundamental to neuronal function. While most neurons project their axons within the central nervous system (CNS), only axons of centrally born motoneurons and peripherally born sensory neurons link the CNS and peripheral
ライフサイエンス、有機合成、材料科学、クロマトグラフィー、分析など、あらゆる分野の研究に経験のあるメンバーがおります。.
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