Mouse Cathepsin A/Lysosomal Carboxypeptidase A Antibody

Catalog # Availability Size / Price Qty
MAB11231
MAB11231-SP
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Mouse Cathepsin A/Lysosomal Carboxypeptidase A Antibody Summary

Species Reactivity
Mouse
Specificity
Detects mouse Cathepsin A in direct ELISAs. In direct ELISAs, no cross-reactivity with recombinant human Cathepsin A or recombinant mouse DPPIV/CD26 is observed.
Source
Monoclonal Rat IgG2B Clone # 191424
Purification
Protein A or G purified from hybridoma culture supernatant
Immunogen
Mouse myeloma cell line NS0-derived recombinant mouse Cathepsin A
aa 24-474
Formulation
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.
Label
Unconjugated

Applications

Recommended Concentration
Sample
Immunohistochemistry
8-25 µg/mL
Perfusion fixed frozen sections of mouse spinal cord
Immunoprecipitation
25 µg/mL
Conditioned cell culture medium spiked with Recombinant Mouse Cathepsin A/
Lysosomal Carboxypeptidase A, see our available Western blot detection antibodies

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.

Reconstitution Calculator

Reconstitution Calculator

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Preparation and Storage

Reconstitution
Reconstitute at 0.5 mg/mL in sterile PBS.
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Shipping
Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store immediately at the temperature recommended below.
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: Cathepsin A/Lysosomal Carboxypeptidase A

Cathepsin A/lyososomal carboxypeptidase A is a member of the serine carboxypeptidase family (1, 2). Cathepsin A is a multifunctional enzyme that expresses deaminidase and esterase activities at neutral pH and carboxypeptidase activity at acidic pH. Also known as protective protein, its association with beta -galactosidase ( beta -gal) and neuraminidase is essential for beta -gal stability and neuraminidase activation in the lysosomes. Inherited deficiency of cathepsin A causes the lysosomal storage disorder galactosialidosis, characterized by a combined secondary deficiency of beta -gal and neuraminidase. Cathepsin A is capable of hydrolyzing a variety of bioactive peptide hormones including tachykinins, indicating that extralysosomal cathepsin A plays a role in regulation of functions of these molecules (3). Cathepsin A is synthesized as a single-chain precursor and processed into heavy (32 kDa) and light (20 kDa) chains, which are linked by disulfide bonds.

References
  1. Galjart, et al. (1990) J. Biol. Chem. 265:4678.
  2. Pshezhetsky (1998) in Handbook of Proteolytic Enzymes (ed. Barrett, Rawlings, Woessner) pp. 393, Academic Press, San Diego.
  3. Hiraiwa (1999) Cell. Mol. Life. Sci. 56:894.
Entrez Gene IDs
5476 (Human); 19025 (Mouse)
Alternate Names
beta-galactosidase 2; beta-galactosidase protective protein; Carboxypeptidase C; Carboxypeptidase L; Cathepsin A; cathepsin ANGBE; CTSA; EC 3.4.16; EC 3.4.16.5; GLB2; GSL; Lysosomal Carboxypeptidase A; lysosomal protective protein; PPCA; PPGBprotective protein for beta-galactosidase (galactosialidosis); Protective protein cathepsin A; Protective protein for beta-galactosidase

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