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Carbonic Anhydrase IV Cell Lysate | CA4 cell lysate

Human Carbonic Anhydrase IV CHO Stable Overexpression Lysate

Gene Names
CA4; CAIV; Car4; RP17
Applications
Western Blot
Synonyms
Carbonic Anhydrase IV; Human Carbonic Anhydrase IV CHO Stable Overexpression Lysate; Human Carbonic Anhydrase IV/CA4 CHO Cell Lysate (WB positive control); carbonic anhydrase IV; Human CAIV Overexpression Lysate; Human Car4 Overexpression Lysate; Human RP17 Overexpression Lysate; CA4 cell lysate
Ordering
For Research Use Only!
Host
CHO Stable Cells
Form/Format
1x Sample Buffer (1x modified RIPA buffer+1x SDS loading buffer).
Modified RIPA Lysis Buffer: 50 mM Tris-HCl pH 7.4, 150 mM NaCl, 1mM EDTA, 1% Triton X-100, 0.1% SDS, 1% Sodium deoxycholate, 1mM PMSF.
Sequence Positions
276aa
Sequence
Met1-Lys283
Applicable Applications for CA4 cell lysate
Western Blot (WB)
Application Notes
WB: Use at an assay dependent dilution.
Species
Human
Recommend Usage
1. Centrifuge the tube for a few seconds and ensure the pellet at the bottom of the tube.2. Re-dissolve the pellet using 200uL pure water and boil for 2-5 min.
Sequence Construction
A DNA sequence encoding the human CA4 (NP_000708.1) (Met1-Lys283) without the pro peptide was expressed with a polyhistidine tag at the C-terminus.
Preparation Method
Cell lysate was prepared by homogenization of the over-expressed cells in ice-cold modified RIPA Lysis Buffer with cocktail of protease inhibitors. Cell debris was removed by centrifugation. Protein concentration was determined by Bradford assay (protein assay, Microplate Standard assay). The cell lysate was boiled for 5 min in 1 x SDS loading buffer (50mM Tris-HCl pH 6.8, 12.5% glycerol, 1% sodium dodecylsulfate, 0.01% bromophenol blue) containing 5% b-mercaptoethanol, and lyophilized.
Preparation and Storage
Store at 4 degree C for up to twelve months from date of receipt. After re-dissolution, aliquot and store at -80 degree C for up to twelve months. Avoid repeated freeze-thaw cycles.
Samples are stable for up to twelve months from date of receipt.
Related Product Information for CA4 cell lysate
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 IV (CAIV) is a membrane-associated enzyme anchored to plasma membrane surfaces by a phosphatidylinositol glycan linkage. CAIV is a high-activity isozyme in CO2 hydration comparable to that of CAII. Furthermore, CAIV is more active in HCO3- dehydration than is CAII. However, the esterase activity of CAIV is decreased 150-fold compared to CAII.

This Human Carbonic Anhydrase IV overexpression lysate was created in CHO Stable Cells and intented for use as a Western blot (WB) positive control. Purification of Carbonic Anhydrase IV protein from the overexpression lysate was verified.
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.Baird TT, et al. (1997) Catalysis and Inhibition of Human Carbonic Anhydrase IV. Biochemistry. 36 (9): 2669-78.

NCBI and Uniprot Product Information

NCBI GI #
NCBI GeneID
762
NCBI Accession #
NCBI GenBank Nucleotide #
UniProt Accession #
Molecular Weight
11,599 Da
NCBI Official Full Name
carbonic anhydrase 4 preproprotein
NCBI Official Synonym Full Names
carbonic anhydrase 4
NCBI Official Symbol
CA4
NCBI Official Synonym Symbols
CAIV; Car4; RP17
NCBI Protein Information
carbonic anhydrase 4
UniProt Protein Name
Carbonic anhydrase 4
Protein Family
UniProt Gene Name
CA4
UniProt Synonym Gene Names
CA-IV
UniProt Entry Name
CAH4_HUMAN

NCBI Description

Carbonic anhydrases (CAs) are a large family of zinc metalloenzymes that catalyze the reversible hydration of carbon dioxide. They 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. They show extensive diversity in tissue distribution and in their subcellular localization. This gene encodes a glycosylphosphatidyl-inositol-anchored membrane isozyme expressed on the luminal surfaces of pulmonary (and certain other) capillaries and proximal renal tubules. Its exact function is not known; however, it may have a role in inherited renal abnormalities of bicarbonate transport. [provided by RefSeq, Jul 2008]

Uniprot Description

CA4: Reversible hydration of carbon dioxide. May stimulate the sodium/bicarbonate transporter activity of SLC4A4 that acts in pH homeostasis. It is essential for acid overload removal from the retina and retina epithelium, and acid release in the choriocapillaris in the choroid. Defects in CA4 are the cause of retinitis pigmentosa type 17 (RP17). RP leads to degeneration of retinal photoreceptor cells. Patients typically have night vision blindness and loss of midperipheral visual field. As their condition progresses, they lose their far peripheral visual field and eventually central vision as well. RP17 inheritance is autosomal dominant. Defective acid overload removal from retina and retinal epithelium, due to mutant CA4, is responsible for photoreceptor degeneration, indicating that impaired pH homeostasis is the most likely cause underlying the RP17 phenotype. Belongs to the alpha-carbonic anhydrase family.

Protein type: Lyase; Energy Metabolism - nitrogen; Membrane protein, GPI anchor; EC 4.2.1.1

Chromosomal Location of Human Ortholog: 17q23

Cellular Component: Golgi apparatus; cell surface; sarcoplasmic reticulum; rough endoplasmic reticulum; basolateral plasma membrane; brush border membrane; secretory granule membrane; ER-Golgi intermediate compartment; trans-Golgi network; anchored to external side of plasma membrane; membrane; perinuclear region of cytoplasm; apical plasma membrane; plasma membrane; sarcolemma

Molecular Function: carbonate dehydratase activity; protein binding; zinc ion binding

Biological Process: response to drug; response to steroid hormone stimulus; bicarbonate transport; organ development; one-carbon compound metabolic process

Disease: Retinitis Pigmentosa 17

Research Articles on CA4

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Product Notes

The CA4 ca4 (Catalog #AAA8113884) is a Cell Lysate produced from CHO Stable Cells and is intended for research purposes only. The product is available for immediate purchase. The immunogen sequence is 276aa. AAA Biotech's Carbonic Anhydrase IV can be used in a range of immunoassay formats including, but not limited to, Western Blot (WB). WB: Use at an assay dependent dilution. Researchers should empirically determine the suitability of the CA4 ca4 for an application not listed in the data sheet. Researchers commonly develop new applications and it is an integral, important part of the investigative research process. The amino acid sequence is listed below: Met1-Lys28 3. It is sometimes possible for the material contained within the vial of "Carbonic Anhydrase IV, Cell Lysate" to become dispersed throughout the inside of the vial, particularly around the seal of said vial, during shipment and storage. We always suggest centrifuging these vials to consolidate all of the liquid away from the lid and to the bottom of the vial prior to opening. Please be advised that certain products may require dry ice for shipping and that, if this is the case, an additional dry ice fee may also be required.

Precautions

All products in the AAA Biotech catalog are strictly for research-use only, and are absolutely not suitable for use in any sort of medical, therapeutic, prophylactic, in-vivo, or diagnostic capacity. By purchasing a product from AAA Biotech, you are explicitly certifying that said products will be properly tested and used in line with industry standard. AAA Biotech and its authorized distribution partners reserve the right to refuse to fulfill any order if we have any indication that a purchaser may be intending to use a product outside of our accepted criteria.

Disclaimer

Though we do strive to guarantee the information represented in this datasheet, AAA Biotech cannot be held responsible for any oversights or imprecisions. AAA Biotech reserves the right to adjust any aspect of this datasheet at any time and without notice. It is the responsibility of the customer to inform AAA Biotech of any product performance issues observed or experienced within 30 days of receipt of said product. To see additional details on this or any of our other policies, please see our Terms & Conditions page.

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