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C0897

Sigma-Aldrich

Citrate Lyase from Klebsiella pneumoniae

lyophilized powder, ≥0.20 unit/mg solid

Synonyme(s) :

Citrate oxaloacetate lyase

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About This Item

Numéro CAS:
9012-83-3
Numéro de classification (Commission des enzymes):
4.1.3.6 (BRENDA, IUBMB)
Numéro CE :
232-740-7
Numéro MDL:
MFCD00130807
Code UNSPSC :
12352204
Nomenclature NACRES :
NA.54

Forme

lyophilized powder

Activité spécifique

≥0.20 unit/mg solid

Poids mol.

>5 kDa

Température de stockage

2-8°C

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Application

Citrate Lyase from Klebsiella pneumoniae has been used in the digestion of low molecular weight human milk fraction (>5 kDa referred to as 5kF).

Actions biochimiques/physiologiques

Citrate lyase is found in several microorganisms and catalyzes the first step of citrate degradation, forming acetate and oxaloacetate. The enzyme contains 3 polypeptide subunits, α-subunit (a transferase), β-subunit (acyl lyase) and γ-subunit (acyl-carrier protein).

Définition de l'unité

One unit will convert 1.0 μmole of citrate to oxalacetate per min at pH 7.6 at 25 °C.

Forme physique

Lyophilized powder containing bovine serum albumin, sucrose, and MgSO4

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

Eyeshields, Gloves, type N95 (US)

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M Hupperich et al.
European journal of biochemistry, 192(1), 161-166 (1990-08-28)
The primary structure of the beta-subunit (acyl lyase subunit) of citrate lyase from Klebsiella pneumoniae (ATCC 13,882) was determined with protein chemical methods. The polypeptide chain consists of 289 amino acid residues and has a molecular mass of 31,352 Da.
Djamel Drider et al.
Genetics and molecular research : GMR, 3(2), 273-281 (2004-07-22)
Citrate is present in many natural substrates, such as milk, vegetables and fruits, and its metabolism by lactic acid bacteria (LAB) plays an important role in food fermentation. The industrial importance of LAB stems mainly from their ability to convert
M Martín et al.
FEMS microbiology letters, 174(2), 231-238 (1999-05-26)
The citMCDEFGRP cluster from Leuconostoc paramesenteroides involved in citrate utilization was cloned and its nucleotide sequence determined. Homology of the inferred gene products with characterized enzymes reveals that citP encodes the citrate permease P, citC the citrate ligase and citDEF
M Suzuki et al.
Archives of microbiology, 175(1), 75-78 (2001-03-29)
Hydrogenobacter thermophilus strain TK-6 was observed to grow anaerobically on nitrate as an electron acceptor when molecular hydrogen was used as an energy source. Nitrite was detected as the product of a respiratory reaction. 15NO, 15N2O, and 15N2 were detected
Julia Gaye-Siessegger et al.
Isotopes in environmental and health studies, 40(3), 181-190 (2004-09-17)
The use of stable isotope techniques for the reconstruction of diets has increased over the last decade. However, isotopic ratios in an animal are not only affected by the composition of the feed, but also by the amount of feed
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