After search, choose a molecule or a kind of categories listed in the left to narrow down your filter. If you have any problems, please contact us!
Text Size:AAA

Human Carbonic Anhydrase VB / CA5B Protein (His Tag)

DatasheetSpecific ReferencesReviewsRelated ProductsProtocols
CA5BProtein Product Information
Synonym:CA-VB, MGC39962
Protein Construction:A DNA sequence encoding the mature form of human CA5B (Q9Y2D0) (Cys 34-Pro 317) was fused with a polyhistidine tag at the C-terminus and an initial Met at the N-terminus.
Expressed Host:E. coli
Form & 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.
CA5BProtein QC Testing
Purity:> 97 % 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
Molecule Mass:The recombinant human CA5B comprises 295 amino acids and migrates as an approximately 34 kDa band as predicted in SDS-PAGE under reducing conditions.
Formulation:Lyophilized from sterile 20mM Tris, 50mM NaCl, 0.05% Brij-35, 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.
CA5BProtein 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.

Carbonic anhydrase 5B, also known as carbonate dehydratase VB, carbonic anhydrase VB, CA-VB and CA5B, is a member of the alpha-carbonic anhydrase family. The strongest expression of CA5B / CA-VB is in heart, pancreas, kidney, placenta, lung, and skeletal muscle. It is not expressed in liver. Carbonic anhydrases (CAs) are a large family of zinc metalloenzymes first discovered in 1933 that catalyze the reversible hydration of carbon dioxide. CAs participate in a variety of biological processes, including respiration, calcification, acid-base balance, bone resorption, and the formation of aqueous humor, cerebrospinal fluid, saliva, and gastric acid. CAs show extensive diversity in tissue distribution and in their subcellular localization. CA5B / CA-VB is localized in the mitochondria and shows the highest sequence similarity to the other mitochondrial CA5A / CA-VA. CA5B / CA-VB has a wider tissue distribution than CA5A / CA-VA, which is restricted to the liver. The differences in tissue distribution suggest that the two mitochondrial carbonic anhydrases evolved to assume different physiologic roles. CA5A / CA-VA is activated by histamine, L-adrenaline, L- and D-histidine, and L- and D-phenylalanine. It is inhibited by coumarins, sulfonamide derivatives such as acetazolamide and Foscarnet (phosphonoformate trisodium salt). CA5B / CA-VB is inhibited by coumarins, sulfonamide derivatives such as acetazolamide (AZA), saccharin and Foscarnet (phosphonoformate trisodium salt).

  • Fujikawa-Adachi K, et al.,1999, J Biol Chem. 274 (30): 21228-33.
  • Liao, S.Y. et al., 2003, J. Med. Genet. 40:257 - 262.
  • Temperini al., 2006, Chemistry 12: 7057-66.
  • Temperini al., 2006, J. Med. Chem. 49: 3019-27.
  • Supuran, C. T. et al., 2008, Curr Pharm Des. 14 (7): 601-602.
  • Elleuche, S. et al., 2009, Curr Genet. 55 (2): 211-222.
  • Maresca, al., 2009, J. Am. Chem. Soc. 131:3057-3062.
  • Related Products
    Product nameProduct name
    Size / Price
    List Price: $138.00  (Save $0.00)
    Price:$138.00      [How to order]
    Availabilityon Sale
    • Human Carbonic Anhydrase VB / CA5B Protein (His Tag) SDS-PAGE
    Recently Viewed Items