52583
Lipase B Candida antarctica immobilized on Immobead 150, recombinant
≥2000 U/g
Sinonimo/i:
Candida antarctica Lipase
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10 G
CHF 184.00
50 G
CHF 715.00
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Cambia visualizzazione
10 G
CHF 184.00
50 G
CHF 715.00
About This Item
Codice UNSPSC:
12352204
NACRES:
NA.54
Prodotti consigliati
Ricombinante
expressed in yeast
Livello qualitativo
Stato
beads
Attività specifica
≥2000 U/g
PM
33 kDa
Temperatura di conservazione
2-8°C
Descrizione generale
Lipase B or triacylglycerol ester hydrolases belongs to the class of hydrolases.[1] Lipase B from Candida antarctica (CALB) possesses 317 amino acids and a molecular weight of 33 kDa.[2] CALB has a catalytic triad and an open solvent accessible active site.[3] The catalytic triad is usually Ser-His-Asp/Glu which is found in the carboxy terminal of parallel β sheet.[2]
Applicazioni
Lipase B Candida antarctica immobilized on Immobead 150, recombinant from yeast has been used:
- in esterification reaction of lauric acid with n-butanol in a biphasic solvent system[1]
- in hydrolysis of fish oil triglycerides[4]
- in screening of enzymes for Morita–Baylis–Hillman (MBH) reaction[5]
Lipases are used industrially for the resolution of chiral compounds and the transesterification production of biodiesel.
Azioni biochim/fisiol
Lipases B from Candida antarctica (CALB) is a versatile catalyst for biotransformation reactions.[1] In aqueous media, CALB behaves like an esterase rather than a lipase.[3]
Lipases catalyze the hydrolysis of triacylglycerols into glycerol and free fatty acids.
Lipase B from Candida antarctica has been shown to be an effective catalyst for the synthesis of esters of ethyl D-glucopyranoside from fatty acids larger than octanoic acid.[6] It has also been found to catalyze a wide variety of organic reactions including many different regio- and enantio-selective syntheses.[7]
Definizione di unità
1 U corresponds to the amount of enzyme which liberates 1 μmol butyric acid per minute at pH 7.5 and 40°C (tributyrin, Cat. No. 91010, as substrate)
Codice della classe di stoccaggio
11 - Combustible Solids
Classe di pericolosità dell'acqua (WGK)
WGK 3
Punto d’infiammabilità (°F)
Not applicable
Punto d’infiammabilità (°C)
Not applicable
Dispositivi di protezione individuale
Eyeshields, Gloves, type N95 (US)
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I clienti hanno visto anche
Study of reaction parameters and kinetics of esterification of lauric acid with butanol by immobilized Candida antarctica lipase
Shankar S, et al.
Indian Journal of Biochemistry & Biophysics, 50, 570-576 (2013)
Thermodynamic study of hydrolysis and esterification reactions with immobilized lipases
Sharma A, et al.
European International Journal of Science and Technology, 4, 128-136 (2015)
Fatty Acid Specificity in Lipase-Catalyzed Synthesis of Glucoside Esters
O. Kirk et al.
Biocatalysis and Biotransformation, 6, 127-134 (1992)
Asymmetric Morita-Baylis-Hillman reaction catalyzed by pepsin
Xue JW, et al.
Journal of Molecular Catalysis. B, Enzymatic, 124, 62-69 (2016)
Kinetics of acyl transfer reactions in organic media catalysed by Candida antarctica lipase B
Martinelle M and Hult K
Biochimica et Biophysica Acta, Protein Structure and Molecular Enzymology, 1251(2), 191-197 (1995)
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