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P0389

Sigma-Aldrich

Penicillinase from Bacillus cereus

lyophilized powder, 1,500-3,000 units/mg protein (using benzylpenicillin)

Sinônimo(s):

β-Lactamase I from Bacillus cereus, β-Lactamase II, Cephalosporinase, Penicillin amido-β-lactam hydrolase

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About This Item

Número CAS:
9073-60-3
Número da licença da enzima:
3.5.2.6 (BRENDA, IUBMB)
Número MDL:
MFCD00131819
Código UNSPSC:
12352204
NACRES:
NA.54

fonte biológica

Bacillus sp. (Bacillus cereus)

Nível de qualidade

300

forma

lyophilized powder

atividade específica

1,500-3,000 units/mg protein (using benzylpenicillin)

composição

Protein, ~10%

técnica(s)

activity assay: suitable

aplicação(ões)

diagnostic assay manufacturing

Condições de expedição

wet ice

temperatura de armazenamento

2-8°C

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Descrição geral

Penicillinase from Bacillus cereus has been shown to contain three distinct species when purified and examined for homogeneity by sedimentation analysis, amino-terminal analysis, and vertical acrylamide gel electrophoresis.

Aplicação

Penicillinase can be used to reduce levels of penicillin in patients with severe penicillin reactions.
Used in the production of penicillin.
Used in the production of penicillin. Penicillinase from Bacillus cereus has been used in a comparison study with penicillinase from Bacillus subtillis where the Michaelis constant, shape of the Ph/activity curve and immunological properties were shown to be significantly different.

Ações bioquímicas/fisiológicas

Penicillinase specifically catalyzes the hydrolysis of β-lactam ring of penicillin.

Definição da unidade

One unit will hydrolyze 1.0 μmole of indicated substrate per min at pH 7.0 at 25 °C. Sold as benzylpenicillin units. This International Unit (using benzylpenicillin as substrate) is approximately equal to 600 Levy or 75 Pollock units.

forma física

Lyophilized powder containing phosphate and citrate buffer salts

Nota de análise

Protein determined by biuret.

inibidor

Nº do produto
Descrição
Preços

Pictogramas

Health hazard
GHS08

Palavra indicadora

Danger

Frases de perigo

H317 - H334

Classificações de perigo

Resp. Sens. 1 - Skin Sens. 1

Código de classe de armazenamento

11 - Combustible Solids

Classe de risco de água (WGK)

WGK 3

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable

Equipamento de proteção individual

dust mask type N95 (US), Eyeshields, Faceshields, Gloves

Certificados de análise (COA)

Busque Certificados de análise (COA) digitando o Número do Lote do produto. Os números de lote e remessa podem ser encontrados no rótulo de um produto após a palavra “Lot” ou “Batch”.

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Cristian Piras et al.
Chemical science, 13(6), 1746-1758 (2022-03-15)
Large-scale population screening for early and accurate detection of disease is a key objective for future diagnostics. Ideally, diagnostic tests that achieve this goal are also cost-effective, fast and easily adaptable to new diseases with the potential of multiplexing. Mass
Properties of penicillinase from Bacillus cereus 569.
J Imsande et al.
The Journal of biological chemistry, 245(9), 2205-2212 (1970-05-10)
A Comparison of the Properties of Penicillinase produced by Bacillus subtilis and Bacillus cereus with and without Addition of Penicillin
Manson, E., et al.
Microbiology, 11, 493-505 (1954)
M A van Opstal et al.
Journal of pharmaceutical and biomedical analysis, 8(1), 49-60 (1990-01-01)
An automated assay for the determination of penicillin in formulations suitable for use in pharmaceutical quality control is presented. The method is based on the classical iodometric penicillin assay which is incorporated in a flow injection analysis (FIA) system. The
Junichiro Marui et al.
Journal of bioscience and bioengineering, 110(1), 8-11 (2010-06-15)
Aspergillus oryzae penicillin biosynthetic genes were clustered. The penicillin production was positively regulated by VeA, a global gene regulator required for transcriptional expression of the penicillin biosynthetic genes. Overexpression of the biosynthetic genes by a strong promoter yielded a greater
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