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Human Carbonic Anhydrase II / CA2 Protein (His Tag)

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Human CA2 Protein Product Information
Synonym:CA-II, CAII, Car2
Protein Construction:A DNA sequence encoding the human CA2 (NP_000058.1) (Met 1-Lys 260) was expressed, with a polyhistide tag at the C-terminus.
Expressed Host:E. coli
Shipping:In general, recombinant proteins are provided as lyophilized powder which are shipped at ambient temperature.
Bulk packages of recombinant proteins are provided as frozen liquid. They are shipped out with blue ice unless customers require otherwise.
Human CA2 Protein QC Testing
Purity:> 96 % as determined by SDS-PAGE
Bio-Activity:Measured by its esterase activity. The specific activity is >150 pmoles/min/μg .
Endotoxin:Please contact us for more information.
Stability:Samples are stable for up to twelve months from date of receipt at -70℃
Predicted N Terminal:Met 1
Molecule Mass:The recombinant human CA2 consisting of 266 amino acids and has a calculated molecular mass of 30 kDa as estimated in SDS-PAGE under reducing conditions.
Formulation:Lyophilized from sterile 20mM Tris 0.5M NaCl, pH 8.0
1. Normally 5 % - 8 % trehalose and mannitol are added as protectants before lyophilization. Specific concentrations are included in the hardcopy of COA.
2. Please contact us for any concerns or special requirements.
Human CA2 Protein Usage Guide
Storage:Store it under sterile conditions at -20℃ to -80℃. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
Reconstitution:A hardcopy of COA with reconstitution instruction is sent along with the products. Please refer to it for detailed information.
Other CA2 Recombinant Protein Products
Carbonic Anhydrase II Background

The carbonic anhydrases (or carbonate dehydratases) are classified as metalloenzyme for its zinc ion prosthetic group and form a family of enzymes that catalyze the rapid interconversion of carbon dioxide and water to bicarbonate and protons, a reversible reaction that takes part in maintaining acid-base balance in blood and other tissues. The carbonic anhydrasekl (CA) family consists of at least 11 enzymatically active members and a few inactive homologous proteins. Carbonic anhydrase II is one of fourteen forms of human α carbonic anhydrases. Defects in this enzyme are associated with osteopetrosis and renal tubular acidosis. Renal carbonic anhydrase allows the reabsorption of sodium ions in the proximal tubule. Carbonic anhydrase II has been shown to interact with Band 3 and Sodium-hydrogen antiporter 1.

Human Carbonic Anhydrase II References
  • Lehtonen J, et al. (2004) Characterization of CA XIII, a Novel Member of the Carbonic Anhydrase Isozyme Family. The Journal of Biological Chemistry. 279: 2719-27.
  • Lindskog S. (1997) Structure and mechanism of carbonic anhydrase. Pharmacology & Therapeutics. 74(1):1-20.
  • Lilias A, et al. (1972) Crystal Structure of Human Carbonic Anhydrase C. Nature new biology. 235: 131-7.
  • Li XJ, et al. (2002) Carbonic Anhydrase II Binds to and Enhances Activity of the Na+/H+ Exchanger. The Journal of Biological Chemistry. 277: 36085-91.
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    Catalog: 10478-H08E-50
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