Human/Rat Cystatin B Alexa Fluor® 532-conjugated Antibody

Catalog #: AF1408X Datasheet / COA / SDS

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AF1408X-100UG

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Human/Rat Cystatin B Alexa Fluor® 532-conjugated Antibody Summary

Species Reactivity

Human, Rat

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

Source

Polyclonal Goat IgG

Purification

Antigen Affinity-purified

Immunogen

E. coli-derived recombinant human Cystatin B
Met2-Phe98
Accession # P04080

Formulation

Supplied 0.2mg/ml in 1X PBS with RDF1 and 0.09% Sodium Azide

Label

Alexa Fluor 532 (Excitation= 534 nm, Emission= 553 nm)

Applications

Recommended Concentration

Sample

Western Blot

Optimal dilution of this antibody should be experimentally determined.

Immunohistochemistry

Optimal dilution of this antibody should be experimentally determined.

Immunoprecipitation

Optimal dilution of this antibody should be experimentally determined.

Knockout Validated

Optimal dilution of this antibody should be experimentally determined.

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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Preparation and Storage

Shipping

The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.

Stability & Storage

Protect from light. Do not freeze. 12 months from date of receipt, 2 to 8 °C as supplied

Background: Cystatin B

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).

Entrez Gene IDs

1476 (Human); 13014 (Mouse)

Alternate Names

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