Saltar al contenido
Merck
Todas las fotos(1)

Key Documents

41658

Sigma-Aldrich

Lipase A Candida antarctica immobilized on Immobead 150, recombinant from Aspergillus oryzae

≥500 U/g

Sinónimos:

Candida antarctica Lipase

Iniciar sesiónpara Ver la Fijación de precios por contrato y de la organización


About This Item

UNSPSC Code:
12352204
NACRES:
NA.54

recombinant

expressed in Aspergillus oryzae

form

beads (powder like)
beads

specific activity

≥500 U/g

storage temp.

2-8°C

General description

Research area: Cellsignalling. Lipase A Candida Antarctica, CalA is a thermostable, calcium-dependent enzyme with high substrate specificity. CalA comprises of the catalytic triad (Ser184, Asp334, His366) and has an α/β hydrolase structural fold.

Application

Lipase A Candida antarctica immobilized on Immobead 150, recombinant from Aspergillus oryzae has been used in the synthesis of enantiopure (R)-salsolinol and adsorption kinetics studies using Quartz crystal microbalance with dissipation (QCM-D).It has also been used tostudy the esterification of difluorinated alcohols.
Lipases are used industrially for the resolution of chiral compounds and the transesterification production of biodiesel.

Biochem/physiol Actions

Lipase A Candida Antarctica, CalA is highly specific for alcohols and esterifies the trans-isomer of fatty acids. CalA recognizes highly branched acyl groups and is active on alcohols with steric hindrance. CalA catalyzes the production of enantiopure amino acids and aids in the synthesis of chiral cyanohydrins. It may find industrial applications for its thermostable functionality in paper industry.Lipase A Candida antarctica(CAL-A) shows acetyltransferase activity by synthesizing fatty acid esters from certain alcohols and natural oils in an aqueous environment.

Unit Definition

1 U corresponds to the amount of enzyme which liberates 1 μmol butyric acid per minute at pH 10.0 and 40°C (tributyrin, Cat. No. 91010, as substrate)

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

¿Ya tiene este producto?

Encuentre la documentación para los productos que ha comprado recientemente en la Biblioteca de documentos.

Visite la Librería de documentos

Karel Pomeisl et al.
Bioorganic & medicinal chemistry, 27(7), 1246-1253 (2019-02-20)
An enzymatic alternative to the chemical synthesis of chiral gem-difluorinated alcohols has been developed. The method is highly effective and stereoselective, feasible at laboratory temperature, avoiding the use of toxic heavy metal catalysts which is an important benefit in medicinal
Biotechnological applications of Candida antarctica lipase A: State-of-the-art
de Maria PD, et al.
Journal of Molecular Catalysis. B, Enzymatic, 37(1-6), 36-46 (2005)
Biocatalysis as a profound tool in the preparation of highly enantiopure β-amino acids
A. Liljeblad, L.T. Kanerva
Tetrahedron, 62, 5831-5854 (2006)
The acyltransferase activity of lipase CAL-A allows efficient fatty acid esters formation from plant oil even in an aqueous environment
Muller J, et al.
European Journal of Lipid Science and Technology, 117(12), 1903-1907 (2015)
Improved acylation of phytosterols catalyzed by Candida antarctica lipase A with superior catalytic activity
Panpipat W, et al.
Biochemical Engineering Journal, 70(1), 55-62 (2013)

Nuestro equipo de científicos tiene experiencia en todas las áreas de investigación: Ciencias de la vida, Ciencia de los materiales, Síntesis química, Cromatografía, Analítica y muchas otras.

Póngase en contacto con el Servicio técnico