Recombinant Human Argininosuccinate Synthase/ASS1 is produced by our E. coli expression system. The target protein is expressed with sequence (Met1-Lys412) of Human ASS1 fused with a 6His tag at the C-terminus.
纯度
> 95 % as determined by reducing SDS-PAGE.
过滤
0.2 μm filtered
内毒素水平
Less than 0.1 ng/μg (1 IEU/μg) as determined by LAL test
It is not recommended to reconstitute to a concentration less than 100 μg/mL. Dissolve the lyophilized protein in ddH2O. Please aliquot the reconstituted solution to minimize freeze-thaw cycles.
缓冲液
Supplied as a 0.2 μm filtered solution of 20 mM PB, 150 mM NaCl, 50 mM Imidazole, 1 mM DTT, 40 % Glycerol, pH 7.5.
储存液
Dithiothreitol (DTT)
注意事项
This product contains Dithiothreitol (DTT): a POISONOUS AND HAZARDOUS SUBSTANCE which should be handled by trained staff only.
注意事项
Always centrifuge tubes before opening. Do not mix by vortex or pipetting.
储存条件
-80 °C
储存方法
Store at < -20°C, stable for 6 months after receipt. Please minimize freeze-thaw cycles.
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Sub Type
Fusionprotein
背景
Argininosuccinate Synthase (ASS1) is an urea cycle enzyme with a tetrameric structure composed of identical subunits. ASS1 is involved in the synthesis of arginine and catalyzes that condensation of citrulline and aspartate to argininosuccinate using ATP. ASS1 is important to the urea cycle as it catalyzes the important second last step in the arginine biosynthetic pathway. ASS1 mainly expressed in periportal hepatocytes, but also in most other body tissues. A deficiency of ASS1 causes citrullinemia (CTLN1), an autosomal recessive disease which is characterized by severe vomiting spells and mental retardation. Alternative Names: Argininosuccinate Synthase, Citrulline--Aspartate Ligase, ASS1, ASS