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Recombinant Human Carbonic Anhydrase XII/CA12 Protein (His Tag)(Active– MSE Supplies LLC

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Recombinant Human Carbonic Anhydrase XII/CA12 Protein (His Tag)(Active)

SKU: PKSH031505-50

  • $ 64895



Recombinant Human Carbonic Anhydrase XII/CA12 Protein (His Tag)(Active)

 

SKU # PKSH031505
Expression Host HEK293 Cells

 

 

Description

Synonyms CA12, CAXII, FLJ20151, HsT18816
Species Human
Expression Host HEK293 Cells
Sequence Met 1-Gln 291
Accession NP_001209.1
Calculated Molecular Weight 31.6 kDa
Observed Molecular Weight 40-45 kDa
Tag C-His
Bio-activity Measured by its esterase activity. The specific activity is > 40 pmoles/min/μg, as measured with 1 mM 4-Nitrophenyl acetate and 2. 5 μg enzyme at 400 nm in 100 μL of 12.5 mM Tris, 75 mM NaCl, pH 7.5.
  

 

Properties

Purity > 97 % as determined by reducing SDS-PAGE.
Endotoxin < 1.0 EU per μg of the protein as determined by the LAL method.
Storage Generally, lyophilized proteins are stable for up to 12 months when stored at -20 to -80℃. Reconstituted protein solution can be stored at 4-8℃ for 2-7 days. Aliquots of reconstituted samples are stable at < -20℃ for 3 months.
Shipping This product is provided as lyophilized powder which is shipped with ice packs.
Formulation Lyophilized from sterile PBS, pH 7.4
Normally 5% - 8% trehalose, mannitol and 0.01% Tween 80 are added as protectants before lyophilization.
Please refer to the specific buffer information in the printed manual.
Reconstitution Please refer to the printed manual for detailed information.



Background

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. CA12, also known as Car12 and carbonic anhydrase XII, is a type I membrane enzyme of an N-terminal extracellular catalytic domain, a membrane-spanning α-helix, and a small intracellular C-terminal domain. It is highly expressed in colon, kidney, prostate, intestine and activated lymphocytes and moderately expressed in pancreas, ovary, and testis. Overexpression of the CA12 is observed in certain human cancers and is used as a tumor marker. rmCA12 corresponds to the extracellular domain and has both carbonic anhydrase activity and esterase activity.