Name :
Recombinant Human Carbonic Anhydrase 8/CA8 Protein (His Tag)
Biological Activity :
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 protein (CA) VIII, which is a member of the CA gene family, has been shown to have no catalytic CA activity and its biological function is still unknown. Increased expression of CA-RP VIII was observed in 78% of colorectal carcinomas. It suggested that CA-RP VIII plays a role in the process of invasion in colorectal cancer.
Biological Activity :
Measured by its esterase activity. The specific activity is >100 pmoles/min/μg.
Expression Host :
Human
Source :
E. coli
Tag :
Protein Accession No. :
NP_004047.3
NCBI Gene ID :
Synonyms :
Synonyms :
Carbonic Anhydrase VIII
Amino Acid Sequence :
Molecular Weight :
The recombinant human CA8 comprises 296 amino acids and has a predicted molecular mass of 33.8 kDa. It migrates as an approximately 37 kDa band in SDS-PAGE under reducing conditions.
Purity :
≥ 90 % as determined by SDS-PAGE
State of Matter :
Product Concentration :
Storage and Stability :
Samples are stable for up to twelve months from date of receipt at -20℃ to -80℃. 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.
Endotoxin Level :
Please contact us for more information.
Protein Construction :
A DNA sequence encoding the human CA8 (NP_004047.3) (Met 1-Gln 290) was expressed, with a polyhistidine tag at the C-terminus.
Buffer Solution :
Lyophilized from sterile PBS, 15% glycerol, pH 7.5Please contact us for any concerns or special requirements. Normally 5 % – 8 % trehalose, mannitol and 0.01% Tween80 are added as protectants before lyophilization. Please refer to the specific buffer information in the hardcopy of datasheet.
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.
Redissolution :
A hardcopy of datasheet with reconstitution instructions is sent along with the products. Please refer to it for detailed information.
Synonyms :
CA-VIII Protein, Human; CALS Protein, Human; CAMRQ3 Protein, Human; CARP Protein, Human; MGC120502 Protein, Human; MGC99509 Protein, Human Carbonic Anhydrase 8/CA8 背景信息 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 protein (CA) VIII, which is a member of the CA gene family, has been shown to have no catalytic CA activity and its biological function is still unknown. Increased expression of CA-RP VIII was observed in 78% of colorectal carcinomas. It suggested that CA-RP VIII plays a role in the process of invasion in colorectal cancer.
References & Citations :
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.Miyaji E, et al. (2003) Overexpression of Carbonic Anhydrase-related protein VIII in human colorectal cancer. The Journal of Pathology. 201(1): 37-45.
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