Pular para o conteúdo
Merck

Pular para

P4591

Pyruvate Oxidase from microorganisms

lyophilized powder, ≥1.5 U/mg

Sinônimo(s):

Pyruvate:oxygen oxidoreductase (phosphorylating)

Faça login para ver os preços organizacionais e de contrato.

Selecione um tamanho

Alterar visualização
Tamanho/SKUDisponibilidadePreço
100 units
Verificar disponibilidade no carrinho
R$ 2.689,00

Sobre este item

Número CAS:
UNSPSC Code:
12352204
NACRES:
NA.54
EC Number:
232-644-5
MDL number:
Número CE:
Specific activity:
≥1.5 U/mg

R$ 2.689,00


Verificar disponibilidade no carrinho

​
Assistência Técnica
Precisa de ajuda? Nossa equipe de cientistas experientes está à sua disposição.
Estamos aqui para ajudar


form

lyophilized powder

Quality Segment

specific activity

≥1.5 U/mg

mol wt

~260 kDa

storage temp.

−20°C

General description

Isoelectric point : 4.3
Michaelis constant : 3.4 X 10-4M (Pyruvate)
Inhibitors : Fe++,Zn++,Cu++,Ag+,Hg++
Optimum pH : 5.7
Optimum temperature : 65oC
pH Stability : pH 5.7 - 6.5 (25oC, 20hr)
Thermal stability : below 45oC (pH 6.0, 15min)

Application

Pyruvate Oxidase from microorganisms has been used in the Amplex Red-based fluorescence assay for pyruvate. It has also been used in developing near real-time continuous detection system for pyruvate.
Pyruvate Oxidase (PoxB) converts pyruvate directly to acetate and CO2. It is used to study pyruvate metabolism. It is used to study aerobic metabolism of bacterium, such as Lactobacillus plantarumand Streptococcus pneumoniae. Pyruvate Oxidase is used for enzymatic determination of pyruvate, GOT, and GPT in clinical analysis.

Biochem/physiol Actions

Pyruvate Oxidase oxidises pyruvate to form acetate, hydrogen peroxide and carbondioxide. Pyruvate oxidase requires flavin adenine dinucleotide (FAD), thiamine pyrophosphate (TPP) and magnesium as cofactors for its catalytic activity. Pyruvate oxidase is activated by the cofactor thiamine.
Pyruvate Oxidase consists of four subunits with identical molecular weights. PoxB reacts with certain aldehydes and phosphate can be replaced by arsenate. Oxygen as well as several artificial compounds can function as electron acceptors. Pyruvate Oxidase is activated by phospholipids as well as monomeric and micellar amphiphiles.

Physical form

Lyophilized powder containing FAD and sugar as stabilizer

Other Notes

One unit will produce 1.0 μmole of H2O2 per min during the conversion of pyruvate and phosphate to acetylphosphate and CO2 at pH 5.7 at 37 °C.

Comparar Itens Semelhantes

Ver Comparação Total

Mostrar diferenças

1 of 1

Este Item
C8868P4105C5421
description

lyophilized powder, ≥1.5 U/mg

description

lyophilized powder, ≥50 units/mg protein, recombinant, expressed in E. coli

description

lyophilized powder, ≥35 units/mg protein (biuret)

description

aqueous solution, ≥30 units/mg protein (biuret)

specific activity

≥1.5 U/mg

specific activity

≥50 units/mg protein

specific activity

≥35 units/mg protein (biuret)

specific activity

≥30 units/mg protein (biuret)

form

lyophilized powder

form

lyophilized powder

form

lyophilized powder

form

aqueous solution

mol wt

~260 kDa

mol wt

64 kDa

mol wt

-

mol wt

62 kDa

storage temp.

−20°C

storage temp.

−20°C

storage temp.

−20°C

storage temp.

−70°C

Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

200


Pictogramas

Health hazard

Palavra de aviso

Danger

Códigos de risco

Declarações de precaução

Hazard Classifications

Resp. Sens. 1

Classe de armazenamento

11 - Combustible Solids

O que está acontecendo?

WGK 3

Ponto de inflamação (°F)

Not applicable

Ponto de inflamação (°C)

Not applicable

EPI (equipamento de proteção individual)

Eyeshields, Gloves, type N95 (US)



Escolha uma das versões mais recentes:

Certificados de análise (COA)

Lot/Batch Number

It looks like we've run into a problem, but you can still download Certificates of Analysis from our Documentos section.

Se precisar de ajuda, entre em contato Atendimento ao cliente

Já possui este produto?

Encontre a documentação dos produtos que você adquiriu recentemente na biblioteca de documentos.

Visite a Biblioteca de Documentos




Questions

Reviews

No rating value

Active Filters