Human Carbonic Anhydrase VA/CA5A Antibody

  
  • Species Reactivity
    Human
  • Specificity
    Detects human Carbonic Anhydrase VA/CA5A in direct ELISAs and Western blots. In direct ELISAs, approximately 4% cross-reactivity with recombinant human (rh) CA5B is observed and less than 1% cross-reactivity with rhCA2 and rhCA7.
  • Source
    Polyclonal Sheep IgG
  • Purification
    Antigen Affinity-purified
  • Immunogen
    E. coli-derived recombinant human Carbonic Anhydrase VA/CA5A
    Ala40-Ser305
    Accession # P35218
  • Formulation
    Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied as a 0.2 µm filtered solution in PBS.
  • Label
    Unconjugated
Applications
  •  
    Recommended
    Concentration
    Sample
  • Western Blot
    1 µg/mL
    See below
  • Immunohistochemistry
    5-15 µg/mL
    See below
Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.
Data Examples
Immunohistochemistry
Carbonic Anhydrase VA/CA5A in Human Liver. Carbonic Anhydrase VA/CA5A was detected in immersion fixed paraffin-embedded sections of human liver using Sheep Anti-Human Carbonic Anhydrase VA/CA5A Antigen Affinity-purified Polyclonal Antibody (Catalog # AF3049) at 10 µg/mL overnight at 4 °C. Before incubation with the primary antibody, tissue was subjected to heat-induced epitope retrieval using Antigen Retrieval Reagent-Basic (Catalog # CTS013). Tissue was stained using the Anti-Sheep HRP-DAB Cell & Tissue Staining Kit (brown; Catalog # CTS019) and counterstained with hematoxylin (blue). Specific staining was localized to hepatocyte cytoplasm. View our protocol for Chromogenic IHC Staining of Paraffin-embedded Tissue Sections.
Detection of Human Carbonic Anhydrase VA/CA5A by Western Blot. Western blot shows lysates of HepG2 human hepatocellular carcinoma cell line. PVDF Membrane was probed with 1 µg/mL of Goat Anti-Human Carbonic Anhydrase VA/CA5A Antigen Affinity-purified Polyclonal Antibody (Catalog # AF3049) followed by HRP-conjugated Anti-Goat IgG Secondary Antibody (Catalog # HAF109). A specific band was detected for Carbonic Anhydrase VA/CA5A at approximately 33 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 8.
Preparation and Storage
  • Reconstitution
    Sterile PBS to a final concentration of 0.2 mg/mL.
  • Shipping
    The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
  • Stability & Storage
    Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
    • 12 months from date of receipt, -20 to -70 °C as supplied.
    • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
    • 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Background: Carbonic Anhydrase VA/CA5A

Carbonic Anhydrase catalyzes the reversible reaction of CO2 + H2O = HCO3- + H+, which is fundamental to many processes such as respiration, renal tubular acidification and bone resorption (1). Topics in a CA meeting (6th International Conference on the CAs, June 20 - 25, 2003, Slovakia) ranged from the use of CAs as markers for tumor and hypoxia in the clinic, as a nutritional supplement in milk, and as a tool for CO2 removal and mosquito control in industry. Carbonic anhydrase VA encoded by the CA5A gene is a mitochondrial protein (2, 3). In comparison with another mitochondrial CA (CA5B), CA5A has different tissue distribution and chromosomal location (4, 5). Expression and inhibitor studies of different CAs in the rat pancreatic beta cells indicate that CA5A may be involved in the regulation of insulin secretion (6). CA5A may also participate in the detoxification of ammonia produced in the gastrointestinal tract by providing bicarbonate to carbamyl phosphate synthetase I (7). The amino acid sequence of recombinant human CA5A (residues 40 to 305) is 79%, 77%, and 76% identical to that of canine, bovine, and rat/mouse.

  • References:
    1. Hewett-Emmett, D. and R.E. Tashian (1996) Mol. Phylogenet. Evol. 5:50.
    2. Nagao, Y. et al. (1993) Proc. Natl. Acad. Sci. USA 90:7623.
    3. Nagao, Y. et al. (1995) Genomics 28:477.
    4. Shah, G.N. et al. (2000) Proc. Natl. Acad. Sci. USA 97:1677.
    5. Fujikawa-Adachi, K. et al. (1999) J. Biol. Chem. 274:21228.
    6. Parkkila, A.K. et al. (1998) J. Biol. Chem. 273:24620.
    7. Saarnio, J. et al. (1999) J. Histochem. Cytochem. 47:517.
  • Entrez Gene IDs:
    763 (Human); 54233 (Rat)
  • Alternate Names:
    CA5A; CA5carbonic anhydrase 5A, mitochondrial; Carbonate dehydratase VA; carbonic anhydrase V, mitochondrial; Carbonic Anhydrase VA; carbonic anhydrase VA, mitochondrial; carbonic dehydratase; CAV; CAVA; CA-VA; EC 4.2.1.1
Cell and Tissue Staining Kits
Description Application Cat# Citations Images  

Anti-Sheep HRP-DAB Cell & Tissue Staining Kit

CTS019 1
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Immunohistochemistry Reagents
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Antigen Retrieval Reagent-Universal

CTS015 10
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Antigen Retrieval Reagent-Basic

CTS013 4
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Mounting Medium

CTS011 4
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Antigen Retrieval Reagent Sampler (50 mL each)

CTS016
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Antigen Retrieval Reagent-Acidic

CTS014
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NorthernLights Guard Mounting Media

NL996
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VisUCyte Antigen Retrieval Reagent-Universal

VCTS023
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VisUCyte Antigen Retrieval Reagent-Acidic

VCTS022
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VisUCyte Antigen Retrieval Reagent-Basic

VCTS021
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Isotype Controls
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Normal Sheep IgG Control

Ctrl 5-001-A 9
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Secondary Antibodies
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Sheep IgG HRP-conjugated Antibody

WB, Simple Western HAF016 14  
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Donkey Anti-Sheep IgG NorthernLights™ NL557-conjugated Antibody

Flow, IHC, ICC NL010 3
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Donkey Anti-Sheep IgG NorthernLights™ NL637-conjugated Antibody

Flow, IHC, ICC NL011 5
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Donkey Anti-Sheep IgG NorthernLights™ NL493-conjugated Antibody

Flow, IHC, ICC NL012 2
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Donkey Anti-Sheep IgG Biotinylated Antibody

WB BAF016 2
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Sheep IgG (H+L) PE-conjugated Antibody

Flow F0126  
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Sheep IgG (H+L) APC-conjugated Antibody

Flow F0127  
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Sheep IgG VisUCyte HRP Polymer Antibody

IHC VC006  
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Donkey Anti-Sheep IgG (H+L) Fluorescein-conjugated Antibody

Flow F0125 1
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Donkey Anti-Sheep IgG (H+L) PerCP-conjugated Antibody

Flow F0128
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