C1999
CMP-Sialic Acid Synthetase from Neisseria meningitidis group B
recombinant, expressed in E. coli BL21, ≥10 units/mg protein
Sinónimos:
CTP: N-Acylneuraminate cytidylyltransferase
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About This Item
Número MDL:
Código UNSPSC:
12352204
NACRES:
NA.54
Productos recomendados
recombinante
expressed in E. coli BL21
Nivel de calidad
formulario
lyophilized solid
actividad específica
≥10 units/mg protein
mol peso
26.0 kDa
Condiciones de envío
dry ice
temp. de almacenamiento
−20°C
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Descripción general
Cytidine monophosphate (CMP)-Sialic Acid Synthetase from Neisseria meningitidis group B is encoded in neuA gene. The protein has a molecular weight of 24.8 kDa.
Aplicación
The enzyme has been utilized to synthesize CMP-sialic acid and its derivatives.
Acciones bioquímicas o fisiológicas
Cytidine monophosphate (CMP)-sialic acid synthetase catalyses the conversion of N?acetylneuraminic acid (NeuNAc) to CMP-NeuNAc. CMP-sialic acid synthetase has globular α/β domain and is categorised under αβα three-layered sandwich fold. The dimerization domain aids the interaction between the monomers. It also has mononucleotide binding and NeuAc binding pocket. Mg2+ is essential for the catalytic functionality of CMP-sialic acid synthetase.
Definición de unidad
One unit will catalyze the formation of 1 μmol CMP-Neu-5-Ac from Neu-5-Ac and CTP per minute at 37 °C at pH 8.0.
Forma física
Supplied as a lyophilized powder containing Tris-HCl and NaCl.
Nota de análisis
Enzymatic activity assays are performed in Tris-HCl buffer (100 mM, pH 8.5) containing Neu-5-Ac (1 mM) and CTP (1 mM) at 37 °C for 30 min and analyzed using capillary electrophoresis with a UV detector (200 nm).
Código de clase de almacenamiento
11 - Combustible Solids
Clase de riesgo para el agua (WGK)
WGK 3
Punto de inflamabilidad (°F)
Not applicable
Punto de inflamabilidad (°C)
Not applicable
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»
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Los clientes también vieron
Molecular cloning and analysis of genes for sialic acid synthesis in Neisseria meningitidis group B and purification of the meningococcal CMP-NeuNAc synthetase enzyme.
Ganguli S, et al.
Journal of Bacteriology, 176(15), 4583-4589 (1994)
Thomas Haselhorst et al.
Biochemical and biophysical research communications, 359(4), 866-870 (2007-06-19)
We report an easy and direct application of 'Saturation Transfer Double Difference' (STDD) NMR spectroscopy to identify ligands that bind to a Sepharose-immobilised target protein. The model protein, cytidine 5'-monophosphate sialic acid (CMP-Sia) synthetase, was expressed as a Strep-Tag II
Structure of a sialic acid-activating synthetase, CMP-acylneuraminate synthetase in the presence and absence of CDP
Mosimann S, et al.
The Journal of biological chemistry, 276(11), 8190-8196 (2001)
Rahman M Mizanur et al.
Applied microbiology and biotechnology, 76(4), 827-834 (2007-07-03)
In this study, we report the cloning, recombinant expression, and biochemical characterization of a heat-stable CMP-N-acylneuraminic acid (NeuAc) synthetase from Clostridium thermocellum ATCC 27405. A high throughput electrospray ionization mass spectrometry (ESI-MS)-based assay demonstrates that the enzyme has an absolute
Rahman M Mizanur et al.
Applied microbiology and biotechnology, 80(5), 757-765 (2008-08-22)
Sialic acids are abundant nine-carbon sugars expressed terminally on glycoconjugates of eukaryotic cells and are crucial for a variety of cell biological functions such as cell-cell adhesion, intracellular signaling, and in regulation of glycoproteins stability. In bacteria, N-acetylneuraminic acid (Neu5Ac)
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