Human Cystatin A Biotinylated Antibody

Catalog # Availability Size / Price Qty
BAF1407
Product Details
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Human Cystatin A Biotinylated Antibody Summary

Species Reactivity
Human
Specificity
Detects human Cystatin A in Western blots. In Western blots, less than 2% cross‑reactivity with recombinant human (rh) Cystatin B, rhCystatin C, rhCystatin D, rhCystatin E/M, rhCystatin F, rhCystatin S, rhCystatin SA and rhCystatin SN is observed.
Source
Polyclonal Goat IgG
Purification
Antigen Affinity-purified
Immunogen
E. coli-derived recombinant human Cystatin A
Ile2-Phe98
Accession # P01040
Formulation
Lyophilized from a 0.2 μm filtered solution in PBS with BSA as a carrier protein.
Label
Biotin

Applications

Recommended Concentration
Sample
Western Blot
0.1 µg/mL
Recombinant Human Cystatin A (Catalog # 1407-PI)

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.

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Reconstitution Calculator

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Preparation and Storage

Reconstitution
Reconstitute at 0.2 mg/mL in sterile PBS.
Reconstitution Buffer Available
Reconstitution Buffer 1 (PBS)
Catalog #
Availability
Size / Price
Qty
RB01
Shipping
The product is shipped at ambient temperature. Upon receipt, store it 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: Cystatin A

Cystatin A, also called stefin A, Cystatin AS or keratolinin, is a member of family 1 of the cystatin superfamily (1, 2). Like Cystatin B, it is an intracellular inhibitor regulating the activities of cysteine proteases of the papain family such as cathepsins B, H and L (3). For example, immunohistochemical analysis of Cystatin A and cathepsin L is a useful indicator for malignancy in human epidermal keratinocytes (4). The ratio of cathepsin B and Cystatin A can be used in the differential diagnosis and treatment of patients with prostate carcinoma (5). The human Cystatin A consists of 98 amino acids (1).

References
  1. Kartasova, T. et al. (1987) Nucleic Acids Res. 15:5945.
  2. Abrahamson, M. (1994) Methods Enzymol. 244:685.
  3. Jenko, S. et al. (2003) J. Mol. Biol. 326:875.
  4. Palungwachira, P. et al. (2002) J. Dermatol. 29:573.
  5. Sinha, A.A. et al. (2002) Cancer 94:3141.
Entrez Gene IDs
1475 (Human)
Alternate Names
AREI; CSTA; cystatin A (stefin A); Cystatin A; cystatin AS; cystatin-A; Stefin A; STF1; STF1Cystatin-AS; STFA; STFAStefin-A

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