Human Cystatin SN Antibody

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Product Details
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Human Cystatin SN Antibody Summary

Species Reactivity
Detects human Cystatin SN in direct ELISAs and Western blots. In direct ELISAs and Western blots, approximately 30% cross-reactivity with recombinant human (rh) Cystatin SA is observed, 15% cross-reactivity with rhCystatin S is observed, 5% cross-reactivity with rhCystatin C is observed, and less than 1% cross-reactivity with rhCystatin A, rhCystatin B, rhCystatin E/M, and rhCystatin F is observed.
Polyclonal Goat IgG
Antigen Affinity-purified
Mouse myeloma cell line NS0-derived recombinant human Cystatin SN
Accession # P01037
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.


Recommended Concentration
Western Blot
0.1 µg/mL
Recombinant Human Cystatin SN (Catalog # 1285-PI)
25 µg/mL
Conditioned cell culture medium spiked with Recombinant Human Cystatin SN (Catalog # 1285-PI), 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

Reconstitute at 0.2 mg/mL in sterile PBS.
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: Cystatin SN

Cystatin SN is a member of family 2 of the cystatin superfamily (1). Together with cystatins S and SA, it is produced by the salivary gland and secreted largely in the submandibular/sublingual saliva (2). Cystatin SN inhibits members of the papain family including cathepsins B, C, H and L (3).

  1. Abrahamson, M. (1994) Methods Enzymol. 244:685.
  2. Baron, A.C. et al. (1999) Oral Dis. 5:344.
  3. Baron, A. et al. (1999) Oral Dis. 5:234.
Entrez Gene IDs
1469 (Human)
Alternate Names
CST1; cystain-SA-I; cystatin 1; cystatin SA-I; Cystatin SN; cystatin-1; cystatin-SN; Salivary cystatin-SA-1; type 2 family

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