Passa al contenuto
Merck
Tutte le immagini(3)

Documenti

C1345

Sigma-Aldrich

Catalase from bovine liver

powder, suitable for cell culture, 2,000-5,000 units/mg protein

Sinonimo/i:

H2O2:H2O2 oxidoreductase

Autenticatiper visualizzare i prezzi riservati alla tua organizzazione & contrattuali


About This Item

Numero CAS:
Classificazione EC (Enzyme Commission):
Numero CE:
Numero MDL:
Codice UNSPSC:
12352204
eCl@ss:
32160410
NACRES:
NA.75

Origine biologica

bovine liver

Livello qualitativo

Nome Commerciale

BioReagent

Forma fisica

powder

Attività specifica

2,000-5,000 units/mg protein

PM

tetramer ~250 kDa

tecniche

cell culture | mammalian: suitable

Punto isoelettrico

5.4

N° accesso UniProt

Condizioni di spedizione

wet ice

Temperatura di conservazione

−20°C

InChI

1S/C9H10O3/c1-2-12-9(11)7-3-5-8(10)6-4-7/h3-6,10H,2H2,1H3
NUVBSKCKDOMJSU-UHFFFAOYSA-N

Informazioni sul gene

cow ... CAT(280743)

Cerchi prodotti simili? Visita Guida al confronto tra prodotti

Descrizione generale

CAT (catalase) is an endogenous antioxidant enzyme, thus conferring protection to cells against damage by ROS (reactive oxygen species). In humans, this gene is localized to chromosome 11p13, which is composed of 12 introns and 13 exons.

Applicazioni

Catalase from bovine liver is used for the following applications:
  • Gel filtration
  • Analytical filtration on Ultrogel and glycerol gradient centrifugation
  • Size exclusion chromatography (HPLC)-HPLC analysis of estrogen receptor
  • Enzyme assays
  • Alcohol oxidase activity
Catalase acts as a natural antioxidant to study the roles of reactive oxygen species in gene expression and apoptosis. It has also been used to protect against oxidative damage to proteins, lipids, and nucleic acids. Industrially, catalses have been used to remove hydrogen peroxide added to milk and cheese, in textile bleaching, and to examine its positive effects on the viability of DNA-repair mutants of E. coli.

Azioni biochim/fisiol

Catalase catalyzes the degradation of hydrogen peroxide into water and oxygen. It can also react with alkylhydrogen peroxides, such as methylperoxide and ethylperoxide and the second H2O2 molecule can be replaced by methanol, ethanol, propanol, formate and nitrate as a hydrogen donor.
This product doesn not need any activators, but it is inhibited by 3-amino-1-H-1,2,4 triazole, cyanide, azide, hydroxylamine, cyanogens bromide, 2-mercaptoethanol, dithiothreitol, dianisidnie and nitrate.

Componenti

Catalase from bovine liver is a tetramer consisting of 4 equal subunits each with a 60 kDa molecular weight. Each of these subunits contains iron bound to a protoheme IX group. The enzyme will also strongly bind to NADP, where NADP and the heme group are within 13.7 angstroms.

Avvertenza

Solutions of catalse should not be frozen. Frozen solution will result in a 50-70% loss of activity.

Definizione di unità

One unit will decompose 1.0 μmole of H2O2 per min at pH 7.0 at 25 °C, while the H2O2 conc. falls from 10.3 to 9.2 mM, measured by the rate of decrease of A240.

Nota sulla preparazione

This product is a powder suitable for cell culture with activity at 2,000-5,000 units/mg. The enzyme is soluble in 50 mM potassium phosphate buffer at 1 mg/mL and pH 7.0.

Pittogrammi

Health hazard

Avvertenze

Danger

Indicazioni di pericolo

Consigli di prudenza

Classi di pericolo

Resp. Sens. 1

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 1

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

Eyeshields, Gloves, type N95 (US)


Certificati d'analisi (COA)

Cerca il Certificati d'analisi (COA) digitando il numero di lotto/batch corrispondente. I numeri di lotto o di batch sono stampati sull'etichetta dei prodotti dopo la parola ‘Lotto’ o ‘Batch’.

Possiedi già questo prodotto?

I documenti relativi ai prodotti acquistati recentemente sono disponibili nell’Archivio dei documenti.

Visita l’Archivio dei documenti

G Redeuilh et al.
The Journal of biological chemistry, 262(15), 6969-6975 (1987-05-25)
The structure of the calf uterus nontransformed molybdate-stabilized estradiol receptor (ER) has been investigated using affinity labeling with tamoxifen aziridine and several monoclonal antibodies directed either against the steroid binding protein (Mr approximately 65,000) or against the heat shock protein
Theppanya Charoenrat et al.
Bioprocess and biosystems engineering, 27(6), 399-406 (2005-08-05)
An oxygen-limited fed-batch technique (OLFB) was compared to traditional methanol-limited fed-batch technique (MLFB) for the production of recombinant Thai Rosewood beta-glucosidase with Pichia pastoris. The degree of energy limitation, expressed as the relative rate of respiration (q(O)/q(O,max)), was kept similar
Taku Amo et al.
Journal of bacteriology, 184(12), 3305-3312 (2002-05-25)
We had previously isolated a facultatively anaerobic hyperthermophilic archaeon, Pyrobaculum calidifontis strain VA1. Here, we found that strain VA1, when grown under aerobic conditions, harbors high catalase activity. The catalase was purified 91-fold from crude extracts and displayed a specific
J M Renoir et al.
European journal of biochemistry, 127(1), 71-79 (1982-09-01)
A molydate-stabilized, 'non-activated' form of the progesterone receptor from the cytosol of oestrogen-stimulated chick oviduct has been purified to homogeneity by a three-step procedure. The first step, affinity chromatography using a N-(12-amino-dodecyl)-3-oxo-4-androsten-17 beta-carboxamide-substituted Sepharose gel, purified the receptor 1500-2700-fold with
Yanqiong Liu et al.
Medicine, 94(13), e702-e702 (2015-04-04)
Reactive oxygen species (ROS) play critical roles in hepatocarcinogenesis. The catalase (CAT) enzyme is involved in the repair of ROS. Therefore, we investigate the association between CAT gene polymorphisms and the risk of hepatocellular carcinoma (HCC). A total of 715

Il team dei nostri ricercatori vanta grande esperienza in tutte le aree della ricerca quali Life Science, scienza dei materiali, sintesi chimica, cromatografia, discipline analitiche, ecc..

Contatta l'Assistenza Tecnica.