9029-44-1Cc1c2n(C)c3ccc(cc13)CCC=CCCn1nnc3c(C)c(cnc31)C(CC(=O)O)c1ccc3c(c1)CN(CC3)C2=OIJDQXSQWJLQCRL-UHFFFAOYSA-NAn enzyme that converts ascorbic acid to dehydroascorbic acid. EC 1.10.3.3.
9029-44-1Appearance : Light blue amorphous powder, lyophilized Stability : Store at -20℃ (A decrease in activity of ca.20% may occur at 5℃ within 6 months.) Molecular weight : 132,000, 140,000 Isoelectric point : between 6.0 and 7.8 , 8.2 Michaelis constant : 2.5×10-4M (Ascorbate) Structure : 8 copper atoms per mol of enzyme Inhibitors : cyanide, Na2S, diethyldithiocarbamate (Na) Optimum pH : 5.6 Optimum temperature : approx. 30℃ pH Stability : pH 7.0-10.0 (25℃, 17hr) Thermal stability : below 40℃ (pH 8.0, 30min) Substrate specificity : This enzyme oxidizes ascorbic acid and several ascorbic derivatives.
안전 정보는 참고용이며, 공급업체의 물질안전보건자료(SDS), 관련 법규 및 전문가 평가를 대체하지 않습니다.
This chemical does not meet GHS hazard criteria for 14.3% (1 of 7) of reports.
Danger
H334 (85.7%): May cause allergy or asthma symptoms or breathing difficulties if inhaled [Danger Sensitization, respiratory]
P233, P260, P271, P284, P304+P340, P342+P316, P403, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 7 reports by companies from 2 notifications to the ECHA C&L Inventory.
용도Ascorbate oxidase, from Cucurbita sp., may be used to study oxidative stress and heat stress response and tolerance. Also used in ascorbic acid assays to study the heat stress response of Arabidopsis and useful for enzymatic determination of ascorbic acid and for eliminating the interference of ascorbic acid in clinical analysis.
일반 설명Ascorbate oxidase is a homodimeric enzyme, which comprises 552 amino acid residues per subunit (zucchini). It corresponds to a molecular mass of 70kDa per subunit. This enzyme is mainly found in plants, fungi and eubacteria.
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정의An enzyme found in plant tissue that acts upon ascorbic acid in the presence of oxygen to produce dehydroascorbic acid.