Cystatin B/Stefin B Antibody [Unconjugated]

Images

 
Western blot shows lysates of human colon tissue, PC‑12 rat adrenal pheochromocytoma cell line, A549 human lung carcinoma cell line, and SK‑BR‑3 human breast cancer cell line. PVDF membrane was probed with 1 ...read more
Genetic Strategies: Western blot shows lysates of HEK293T human embryonic kidney parental cell line and Cystatin B knockout HEK293T cell line (KO). PVDF membrane was probed with 1 µg/mL of Goat ...read more
Simple Western lane view shows lysates of A549 human lung carcinoma cell line, loaded at 0.2 mg/mL. A specific band was detected for Cystatin B at approximately 18 kDa (as indicated) using 10 µg/mL of Goat ...read more

Product Details

Summary
Reactivity Hu, RtSpecies Glossary
Applications WB, Simple Western, IHC, IP, KO
Clonality
Polyclonal
Host
Goat
Conjugate
Unconjugated
Concentration
LYOPH
Validated by:
     

Genetic Strategies

   

Order Details

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Cystatin B/Stefin B Antibody [Unconjugated] Summary

Immunogen
E. coli-derived recombinant human Cystatin B
Met2-Phe98
Accession # P04080
Specificity
Detects human and rat Cystatin B in Western blots. In Western blots, less than 2% cross-reactivity with recombinant human (rh) Cystatin A, recombinant mouse Cystatin B, rhCystatin C, rhCystatin D, rhCystatin E/M, rhCystatin S, rhCystatin SA, and rhCystatin SN is observed.
Source
N/A
Isotype
IgG
Clonality
Polyclonal
Host
Goat
Gene
CSTB
Innovator's Reward
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Applications/Dilutions

Dilutions
  • Western Blot 1 ug/mL
  • Simple Western 10 ug/mL
  • Immunohistochemistry 5-15 ug/mL
  • Immunoprecipitation 25 ug/mL
  • Knockout Validated
Publications
Read Publications using
AF1408 in the following applications:

Packaging, Storage & Formulations

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.
Buffer
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.
Preservative
No Preservative
Concentration
LYOPH
Reconstitution Instructions
Reconstitute at 0.2 mg/mL in sterile PBS.

Notes

This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.

Alternate Names for Cystatin B/Stefin B Antibody [Unconjugated]

  • CPI-B
  • CST6cystatin B (liver thiol proteinase inhibitor)10STFBcystatin-B
  • CSTB
  • cystatin B (stefin B)
  • Cystatin B
  • EPM1
  • Liver thiol proteinase inhibitor
  • PME
  • Stefin B
  • stefin-B

Background

Cystatin B, also called stefin B or liver thiol proteinase inhibitor, is a member of family 1 of the cystatin superfamily (1). Like Cystatin A, it is an intracellular inhibitor regulating the activities of cysteine proteases of the papain family such as cathepsins B, H and L (2). Mutations in the Cystatin B gene is the cause of progressive myoclonus epilepsy (EPM1) (3). Because of its expression patterns, Cystatin B can be used as a marker for certain cancers, such as glioblastoma tumors (4). It readily forms amyloid fibrils in vitro (5). The human Cystatin B consists of 98 amino acid residues (3).

  1. Abrahamson, M. (1994) Methods Enzymol. 244:685.
  2. Pol, E. and I. Bjork (1999) Biochemistry 38:10519.
  3. Pennacchio, L.A. et al. (1996) Science 271:1731.
  4. Zhang, R. et al. (2003) Glia 42:194.
  5. Zerovnik, E. et al. (2002) Biochim. Biophys. Acta 1594:1.

Limitations

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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Publications for Cystatin B/Stefin B Antibody (AF1408)(2)

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Product General Protocols

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Video Protocols

WB Video Protocol

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Secondary Antibodies

 

Isotype Controls

Other Available Formats

Biotin BAF1408

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Bioinformatics

Gene Symbol CSTB
Uniprot
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