1. Recombinant Proteins
  2. Enzymes & Regulators
  3. Lyases (EC 4) Carbonic Anhydrase
  4. Carbonic Anhydrase 8 ( CA-VIII)
  5. Carbonic Anhydrase 8 Protein, Human (His)

Carbonic Anhydrase 8 Protein, Human (His)

Cat. No.: HY-P7723
Handling Instructions

Carbonic Anhydrase VIII/CA8 Protein, Human (His) expresses in E. coli with a His tag at the N-terminus. Carbonic anhydrase 8 (CA8), an isozyme of α-carbonic anhydrases (CAs), is an allosteric inhibitor of inositol trisphosphate receptor-1 (ITPR1), which regulates neuronal intracellular calcium release[1][2].

For research use only. We do not sell to patients.

Protein Expression Service

Recombinant Proteins-MedChemExpress
Size Price Stock Quantity
10 μg $70 In-stock
Estimated Time of Arrival: December 31
50 μg $210 In-stock
Estimated Time of Arrival: December 31
100 μg   Get quote  
250 μg   Get quote  

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Carbonic Anhydrase 8 Protein, Human (His) Related Classifications

  • Technical Parameters

  • Properties

  • Documentation




E. coli


P35219 (A2-Q290)

Gene ID


rHuCarbonic Anhydrase 8, His; Carbonic Anhydrase-Related Protein; CARP; Carbonic Anhydrase VIII; CA8; CALS
AA Sequence


Molecular Weight

Approximately 40.0 kDa


Greater than 95% as determined by reducing SDS-PAGE.

Biological Activity
Data is not available.



Supplied as a 0.2 μm filter solution of 20 mM Tris-HCl, 500 mM NaCl, 1 mM DTT, pH 8.5 .

Endotoxin Level

<1 EU/μg, determined by LAL method.

Storage & Stability

Stored at -80°C. It is stable at -20°C for 3 months after opening. It is recommended to freeze aliquots at -80°C for extended storage. Avoid repeated freeze-thaw cycles.


Shipping with dry ice.


CA8 overexpression desensitizes neuronal cells to STS induced apoptotic stress and increases cell migration and invasion ability in neuronal cells. In addition, down-regulated CA8 decreases neuron mobility in neuronal cells and leads to abnormal calcium release in cerebellar granule neurons. Knockdown of the ca8 gene results in an abnormal movement pattern in zebrafish[2].

  • Reconstitution Calculator

  • Dilution Calculator

  • Specific Active Calculator

The reconstitution calculator equation

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration
= ÷

The dilution calculator equation

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
× = ×
C1   V1   C2   V2

The specific active calculator equation

Specific Active (Unit/mg) = 106 ÷ Biological Activity (ED50)

Specific Active (Unit/mg) = 106 ÷ Biological Activity (ED50)
Unit/mg = 106 ÷ ng/mL

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Carbonic Anhydrase 8 Protein, Human (His)
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