추천 제품
형태
lyophilized powder
Quality Level
특이 활성도
100-300 units/mg protein
분자량
~175 kDa
구성
Protein, 65-85%
외래 활성
Creatinase and urease ≤1%
Hexokinase and ATPase ≤0.1%
저장 온도
2-8°C
애플리케이션
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.
생화학적/생리학적 작용
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.
물리적 특성
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)
단위 정의
One unit will hydrolyze 1.0 μmole of creatinine to creatine per min at pH 8.0 and 25 °C
물리적 형태
Lyophilized powder containing sucrose and BSA as stabilizers
분석 메모
Protein determined by biuret.
신호어
Danger
유해 및 위험 성명서
예방조치 성명서
Hazard Classifications
Resp. Sens. 1
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point (°F)
Not applicable
Flash Point (°C)
Not applicable
개인 보호 장비
Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)
시험 성적서(COA)
제품의 로트/배치 번호를 입력하여 시험 성적서(COA)을 검색하십시오. 로트 및 배치 번호는 제품 라벨에 있는 ‘로트’ 또는 ‘배치’라는 용어 뒤에서 찾을 수 있습니다.
이미 열람한 고객
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
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Pancreas, 38(3), 322-329 (2009-01-27)
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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.
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프로토콜
Assay Procedure for Creatininase
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