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形状
lyophilized powder
比活性
100-300 units/mg protein
分子量
~175 kDa
組成
Protein, 65-85%
その他の活性
Creatinase and urease ≤1%
Hexokinase and ATPase ≤0.1%
保管温度
2-8°C
アプリケーション
Creatininase from microorganisms may be used in the preparation of amperometric biosensor by co-immobilization with other enzymes for the determination of creatinine.
This enzyme is useful for enzymatic determination of creatinine when coupled with creatine amidinohydrolase, sarcosine dehydrogenase or sarcosine oxidase and formaldehyde dehydrogenase in clinical analysis.
生物化学的／生理学的作用
Creatininase from Pseudomonas sp. is a homohexameric enzyme with a molecular mass of 28.4 kDa per subunit. It is a cyclic amidohydrolase catalysing the reversible conversion of creatinine to creatine. Each monomer contains a binuclear zinc centre near the C termini of the β-strands and the N termini of the main α-helices. These zinc ions indicate the location of the active site.
物性
Isoelectric point:4.7
Michaelis constants:3.2 x 10‾2M (Creatinine), 5.7 x 10‾2M (Creatine)
Structure:6 subunits per mol of enzyme (One mol of zinc is bound to each subunit)
Inhibitors:Ag+, Hg++, N-bromosuccinimide, EDTA
Optimum pH:6.5 − 7.5
Optimum temp:70°C
pH Stability:pH 7.5 − 9.0 (5°C, 16hr)
Thermal stability:Below 70°C (pH 7.5, 30 min)
Michaelis constants:3.2 x 10‾2M (Creatinine), 5.7 x 10‾2M (Creatine)
Structure:6 subunits per mol of enzyme (One mol of zinc is bound to each subunit)
Inhibitors:Ag+, Hg++, N-bromosuccinimide, EDTA
Optimum pH:6.5 − 7.5
Optimum temp:70°C
pH Stability:pH 7.5 − 9.0 (5°C, 16hr)
Thermal stability:Below 70°C (pH 7.5, 30 min)
単位の定義
1ユニットは、pH 8.0、25°C、1分間に、1.0 mmolのクレアチニンを加水分解して、クレアチンを生成する酵素量です。
物理的形状
凍結乾燥品(スクロ-スを含有)。総タンパク質の約70%はBSAです。
アナリシスノート
タンパク質はBiuret法で測定。
シグナルワード
Danger
危険有害性情報
危険有害性の分類
Resp. Sens. 1
保管分類コード
11 - Combustible Solids
WGK
WGK 3
引火点(°F)
Not applicable
引火点(℃)
Not applicable
個人用保護具 (PPE)
Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)
適用法令
試験研究用途を考慮した関連法令を主に挙げております。化学物質以外については、一部の情報のみ提供しています。 製品を安全かつ合法的に使用することは、使用者の義務です。最新情報により修正される場合があります。WEBの反映には時間を要することがあるため、適宜SDSをご参照ください。
Jan Code
C3172-25UN:
C3172-1KU:
C3172-BULK:
C3172-VAR:
C3172-250UN:
C3172-100UN:
試験成績書（COA）
製品のロット番号・バッチ番号を入力して、試験成績書（COA） を検索できます。ロット番号・バッチ番号は、製品ラベルに「Lot」または「Batch」に続いて記載されています。
Tadashi Yoshimoto et al.
Journal of molecular biology, 337(2), 399-416 (2004-03-09)
Creatininase from Pseudomonas putida is a member of the urease-related amidohydrolase superfamily. The crystal structure of the Mn-activated enzyme has been solved by the single isomorphous replacement method at 1.8A resolution. The structures of the native creatininase and the Mn-activated
Manoj Nahar et al.
Nanomedicine : nanotechnology, biology, and medicine, 4(3), 252-261 (2008-05-27)
Our aim in the present investigation was to develop a nanoparticulate carrier of amphotericin B (AmB) for controlled delivery as well as reduced toxicity. Nanoparticles of different gelatins (GNPs) (type A or B) were prepared by two-step desolvation method and
Chhanda Mallick et al.
Pancreas, 38(3), 322-329 (2009-01-27)
The study focused on the ability of the extracts of Musa paradisiaca and Coccinia indica on protein metabolic disorders in streptozotocin (STZ)-induced diabetes. Wistar strain rats were divided into 6 groups as control, control + composite extract treated, STZ-induced diabetes
Jason A Berberich et al.
Acta biomaterialia, 1(2), 193-199 (2006-05-17)
We describe the development of an extended use amperometric three-enzyme creatinine biosensor and the successful chemical modification and immobilization of the enzyme creatinine amidohydrolase using polyurethane prepolymers. Creatinine amidohydrolase is significantly stabilized by immobilization in polyurethane polymers. The half-life increases
Anne-Annette P Raso et al.
International journal of rheumatic diseases, 12(3), 243-249 (2010-04-09)
To determine the relationship of steroid use with tophus formation and other comorbid conditions among male gout patients. Review of medical records of Filipino gout patients under the care of rheumatologists was conducted. Univariate analysis (chi-square, Student's t-test) and multiple
プロトコル
Assay Procedure for Creatininase
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