推薦產品
應用
Creatinine Deiminase microbial has been used:
- to immobilize aminosilylated glass beads based biosensor for ammonia/ammonium and creatinine detection in urine
- in creating creatinine-sensing membrane for biophysical studies
- to investigate the bioelectronic tongue for the simultaneous determination of urea, creatinine and alkaline ions in clinical samples
Creatinine deiminase has been used in a study to assess the application of a creatinine-sensitive biosensor for hemodialysis control. Creatinine deiminase has also been used in a study to investigate the bioelectronic tongue for the simultaneous determination of urea, creatinine and alkaline ions in clinical samples.
生化／生理作用
Creatinine deiminase catalyzes the hydrolysis of creatinine to methylhydantoine and ammonia.
物理性質
Isoelectric point : 4.4
Michaelis constant : 3.5 x 10‾3M (Creatinine)
Structure : 6 subunits per mol of enzyme
Inhibitors : Ag+,Hg++, o-phenanthroline,monoiodoacetate
Optimum pH : 8.5 – 9.5
Optimum temperature : 65 – 75°C
pH Stability : pH 7.0 – 11.0 (30°C, 20hr)
Thermal stability : Below 65°C (pH 7.5, 1hr)
Michaelis constant : 3.5 x 10‾3M (Creatinine)
Structure : 6 subunits per mol of enzyme
Inhibitors : Ag+,Hg++, o-phenanthroline,monoiodoacetate
Optimum pH : 8.5 – 9.5
Optimum temperature : 65 – 75°C
pH Stability : pH 7.0 – 11.0 (30°C, 20hr)
Thermal stability : Below 65°C (pH 7.5, 1hr)
單位定義
One unit will hydrolyze 1.0 μmole of creatinine to N-methylhydantoin and NH3 per min at pH 7.5 at 37 °C in a coupled system with L-glutamic dehydrogenase.
外觀
Lyophilized powder containing mannitol as stabilizer
儲存類別代碼
11 - Combustible Solids
水污染物質分類（WGK）
WGK 3
閃點（°F）
Not applicable
閃點（°C）
Not applicable
個人防護裝備
Eyeshields, Gloves, type N95 (US)
分析證明 (COA)
輸入產品批次/批號來搜索 分析證明 (COA)。在產品’s標籤上找到批次和批號，寫有 ‘Lot’或‘Batch’.。
Anne K Bendt et al.
Archives of microbiology, 181(6), 443-450 (2004-05-19)
In order to utilize different nitrogen sources and to survive situations of nitrogen limitation, microorganisms have developed several mechanisms to adapt their metabolism to changes in the nitrogen supply. In this communication, the use of creatinine as an alternative nitrogen
Hybrid biosensors for clinical analysis and fermentation control.
I Karube
Methods in enzymology, 137, 131-138 (1988-01-01)
T W Esders et al.
The Journal of biological chemistry, 260(7), 3915-3922 (1985-04-10)
Creatinine iminohydrolase (EC 3.5.4.21), which catalyzes hydrolysis of creatinine to N-methylhydantoin and ammonia, was purified from Flavobacterium filamentosum. The average molecular weight of the purified enzyme was 272,480, and the subunit molecular weight was 44,300. Extensive specificity studies indicated that
[Immobilized enzyme reactors--their use in chemiluminescence detection].
M Tabata et al.
Tanpakushitsu kakusan koso. Protein, nucleic acid, enzyme, 31(3), 220-229 (1986-03-01)
Hsiao-Chung Tsai et al.
Analytical biochemistry, 334(1), 183-192 (2004-10-07)
An optical array biosensor encapsulated with hydrolase and oxidoreductase using sol-gel immobilization technique has been fabricated for simultaneous analysis and screening of multiple samples to determine the presence of multianalytes which are clinically important in relation to renal failure. Urease
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