추천 제품
생물학적 소스
bovine pancreas
Quality Level
형태
aqueous suspension
품질
(Type II-PMSF treated)
특이 활성도
≥20 units/mg protein
분자량
~35 kDa
정제법
2× crystallization
불순물
≤0.05 BTEE units/mg protein chymotrpsin
≤10 BAEE units/mg protein trypsin
저장 온도
2-8°C
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관련 카테고리
일반 설명
Carboxypeptidase A (CPA) is a secreted protease is liberated after the activation of mast cells to facilitate acute anaphylaxis. Carboxypeptidase A has a long half-life in vivo, when compared to other secreted proteases.
애플리케이션
Carboxypeptidase A from bovine pancreas has been used in in vitro simulated digestion.
Carboxypeptidase A from bovine pancreas has been used in a study to investigate the expression of a soluble and activatable form of bovine procarboxypeptidase A in Escherichia coli. Carboxypeptidase A from bovine pancreas has also been used in a study to investigate the isolation and partial characterization of precursor forms of ostrich carboxypeptidase.
생화학적/생리학적 작용
Carboxypeptidase as isolated from bovine pancreas glands is a metalloenzyme that contains 1 g atom of zinc per mole of protein. It catalyzes the hydrolysis of the carboxyl-terminal peptide bond in peptides and proteins. It is primarily specific to aromatic and hydrophobic side chains such as phenylalanine, tryptophan or leucine. The enzyme also exhibits esterase activity. It is inhibited by β-phenylpropionate and indole acetate.†
단위 정의
One unit will hydrolyze 1.0 μmole of hippuryl-L-phenylalanine per min at pH 7.5 at 25 °C.
제조 메모
Treated with phenylmethylsulfonyl fluoride to eliminate trypsin and chymotrypsin activity. Dialyzed and recrystallized: aqueous suspension with toluene added.
분석 메모
Protein determined by E1%/278
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
Quantification of Multifunctional Dipeptide YA from Oyster Hydrolysate for Quality Control and Efficacy Evaluation
Xie C L, et al.
BioMed Research International, 2018, 13288-13288 (2018)
The role of zinc in carboxypeptidase.
Bert Vallee
The Journal of Biological Chemistry, 235.1, 64-69 (1960)
Mast cell tryptase and carboxypeptidase A expression in body fluid and gastrointestinal tract associated with drug-related fatal anaphylaxis
Guo X J, et al.
World Journal of Gastroenterology, 21(47), 13288-13288 (2015)
Cheng-Liang Xie et al.
BioMed research international, 2018, 8437379-8437379 (2018-10-23)
YA is an angiotensin-I-converting enzyme- (ACE-) inhibitory peptide from oyster hydrolysate with antihypertensive activity. Its antioxidant and anti-inflammatory activity were investigated in this study. YA can dose-dependently quench DPPH and ABTS radical and inhibit lipopolysaccharide-induced nitric oxide in RAW 264.7
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