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PRODUCT CODE: ER2001-50

SSB Rabbit Polyclonal Antibody (ER2001-50)

Applications

  • WB

  • ICC

  • IHC

  • FC

REACTIVITY

  • Human

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Western blot analysis of SSB on Daudi cell lysate. Proteins were transferred to a PVDF membrane and blocked with 5% BSA in PBS for 1 hour at room temperature. The primary antibody (ER2001-50, 1/500) was used in 5% BSA at room temperature for 2 hours. Goat Anti-Rabbit IgG - HRP Secondary Antibody (HA1001) at 1:5,000 dilution was used for 1 hour at room temperature.
  • Western blot analysis of SSB on Daudi cell lysate. Proteins were transferred to a PVDF membrane and blocked with 5% BSA in PBS for 1 hour at room temperature. The primary antibody (ER2001-50, 1/500) was used in 5% BSA at room temperature for 2 hours. Goat Anti-Rabbit IgG - HRP Secondary Antibody (HA1001) at 1:5,000 dilution was used for 1 hour at room temperature.
  • Western blot analysis of SSB on human lung tissue lysate. Proteins were transferred to a PVDF membrane and blocked with 5% BSA in PBS for 1 hour at room temperature. The primary antibody (ER2001-50, 1/500) was used in 5% BSA at room temperature for 2 hours. Goat Anti-Rabbit IgG - HRP Secondary Antibody (HA1001) at 1:5,000 dilution was used for 1 hour at room temperature.
  • ICC staining of SSB in JAR cells (green). Formalin fixed cells were permeabilized with 0.1% Triton X-100 in TBS for 10 minutes at room temperature and blocked with 1% Blocker BSA for 15 minutes at room temperature. Cells were probed with the primary antibody (ER2001-50, 1/200) for 1 hour at room temperature, washed with PBS. Alexa Fluor®488 Goat anti-Rabbit IgG was used as the secondary antibody at 1/1,000 dilution. The nuclear counter stain is DAPI (blue).
  • Immunohistochemical analysis of paraffin-embedded human pancreas tissue using anti-SSB antibody. The section was pre-treated using heat mediated antigen retrieval with sodium citrate buffer (pH 6.0) for 20 minutes. The tissues were blocked in 5% BSA for 30 minutes at room temperature, washed with ddH2O and PBS, and then probed with the primary antibody (ER2001-50, 1/500) for 30 minutes at room temperature. The detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. Tissues were counterstained with hematoxylin and mounted with DPX.
  • Immunohistochemical analysis of paraffin-embedded human stomach cancer tissue using anti-SSB antibody. The section was pre-treated using heat mediated antigen retrieval with sodium citrate buffer (pH 6.0) for 20 minutes. The tissues were blocked in 5% BSA for 30 minutes at room temperature, washed with ddH2O and PBS, and then probed with the primary antibody (ER2001-50, 1/500) for 30 minutes at room temperature. The detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. Tissues were counterstained with hematoxylin and mounted with DPX.
  • Immunohistochemical analysis of paraffin-embedded human kidney tissue using anti-SSB antibody. The section was pre-treated using heat mediated antigen retrieval with sodium citrate buffer (pH 6.0) for 20 minutes. The tissues were blocked in 5% BSA for 30 minutes at room temperature, washed with ddH2O and PBS, and then probed with the primary antibody (ER2001-50, 1/500) for 30 minutes at room temperature. The detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. Tissues were counterstained with hematoxylin and mounted with DPX.
  • Immunohistochemical analysis of paraffin-embedded human thyroid tissue using anti-SSB antibody. The section was pre-treated using heat mediated antigen retrieval with sodium citrate buffer (pH 6.0) for 20 minutes. The tissues were blocked in 5% BSA for 30 minutes at room temperature, washed with ddH2O and PBS, and then probed with the primary antibody (ER2001-50, 1/500) for 30 minutes at room temperature. The detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. Tissues were counterstained with hematoxylin and mounted with DPX.
  • Flow cytometric analysis of SSB was done on HCT116 cells. The cells were fixed, permeabilized and stained with the primary antibody (ER2001-50, 1/50) (red). After incubation of the primary antibody at room temperature for an hour, the cells were stained with a Alexa Fluor 488-conjugated Goat anti-Rabbit IgG Secondary antibody at 1/1000 dilution for 30 minutes.Unlabelled sample was used as a control (cells without incubation with primary antibody; black).
Western blot analysis of SSB on Daudi cell lysate. Proteins were transferred to a PVDF membrane and blocked with 5% BSA in PBS for 1 hour at room temperature. The primary antibody (ER2001-50, 1/500) was used in 5% BSA at room temperature for 2 hours. Goat Anti-Rabbit IgG - HRP Secondary Antibody (HA1001) at 1:5,000 dilution was used for 1 hour at room temperature.

Applications

  • WB

  • ICC

  • IHC

  • FC

REACTIVITY

  • Human

SPECIFICATIONS

Product Type

Rabbit polyclonal primary

Product Name

SSB Rabbit Polyclonal Antibody (ER2001-50)

Immunogen

Recombinant protein within human ssb aa 150-350.

Host

Rabbit

Positive Control

Daudi cell lysates, human lung tissue lysates, JAR, human pancreas tissue, human stomach cancer tissue, human kidney tissue, human thyroid tissue, HCT116.

Conjugation

Unconjugated

Clonality

Polyclonal

PROPERTIES

Form

Liquid

Storage Condition

Store at +4Á¾ after thawing. Aliquot store at -20Á¾. Avoid repeated freeze / thaw cycles.

Storage Buffer

1*TBS (pH7.4), 0.2% BSA, 50% Glycerol. Preservative: 0.05% Sodium Azide.

Concentration

1 ug/ul

PURIFICATION

Protein affinity purified.

MOLECULAR WEIGHT

47 kDa

Isotype

IgG

APPLICATION DILUTION

  • WB

  • 1:500-1:1,000

  • ICC

  • 1:50-1:200

  • IHC

  • 1:100-1:500

  • FC

  • 1:50-1:100

TARGET

UNIPROT #

P05455

PROTEIN NAME

SSB

SYNONYMS

Autoantigen La antibody; La antibody; La autoantigen antibody; La autoantigen homolog antibody; La protein antibody; La ribonucleoprotein antibody; La ribonucleoprotein domain family member 3 antibody; LA_HUMAN antibody; LARP3 antibody; Lupus La antigen antibody; Lupus La protein antibody; Lupus La protein homolog antibody; MGC118101 antibody; MGC93380 antibody; mRNA for autoantigen antibody; OTTMUSP00000014043 antibody; RP23 273G23.1 antibody; Sjoegren syndrome type B antigen antibody; Sjogren syndrome antigen B (autoantigen La) antibody; Sjogren syndrome antigen B antibody; SS B antibody; SS-B antibody; SS-B/La protein antibody; SSB antibody

SUBCELLULAR LOCATION

Nucleus.

FUNCTION

The protein encoded by this gene is involved in diverse aspects of RNA metabolism, including binding and protecting poly(U) termini of nascent RNA polymerase III transcripts from exonuclease digestion, processing 5' and 3' ends of pre-tRNA precursors, acting as an RNA chaperone, and binding viral RNAs associated with hepatitis C virus. Autoantibodies reacting with this protein are found in the sera of patients with Sjogren syndrome and systemic lupus erythematosus. Alternative promoter usage results in two different transcript variants which encode the same protein. In case of Coxsackievirus B3 infection, binds to the viral internal ribosome entry site (IRES) and stimulates the IRES-mediated translation.