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PRODUCT CODE: ET1609-56

Recombinant IgG4 Monoclonal Antibody (ET1609-56)

  • Recombinant

Applications

  • WB

  • IHC-P

REACTIVITY

  • Human

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Western blot analysis of IgG4 on human plasma lysates. Proteins were transferred to a PVDF membrane and blocked with 5% BSA in PBS for 1 hour at room temperature. The primary antibody (ET1609-56, 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 IgG4 on human plasma lysates. Proteins were transferred to a PVDF membrane and blocked with 5% BSA in PBS for 1 hour at room temperature. The primary antibody (ET1609-56, 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.
  • Immunohistochemical analysis of paraffin-embedded human tonsil tissue using anti-IgG4 antibody. The section was pre-treated using heat mediated antigen retrieval with Tris-EDTA buffer (pH 8.0-8.4) 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 (ET1609-56, 1/50) 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 spleen tissue using anti-IgG4 antibody. The section was pre-treated using heat mediated antigen retrieval with Tris-EDTA buffer (pH 8.0-8.4) 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 (ET1609-56, 1/50) 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.
Western blot analysis of IgG4 on human plasma lysates. Proteins were transferred to a PVDF membrane and blocked with 5% BSA in PBS for 1 hour at room temperature. The primary antibody (ET1609-56, 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

  • IHC-P

REACTIVITY

  • Human

SPECIFICATIONS

Product Type

Recombinant Rabbit monoclonal primary

Product Name

Recombinant IgG4 Monoclonal Antibody (ET1609-56)

Immunogen

Recombinant protein

Host

Rabbit

Positive Control

Human plasma lysates, human tonsil tissue, human spleen tissue.

Conjugation

Unconjugated

Clonality

Monoclonal

Clone Number

ST05-12

PROPERTIES

Form

Liquid

Storage Condition

Store at +4C after thawing. Aliquot store at -20C or -80C. Avoid repeated freeze / thaw cycles.

Storage Buffer

1*TBS (pH7.4), 0.05% BSA, 40% Glycerol. Preservative: 0.05% Sodium Azide.

Concentration

1 ug/ul

PURIFICATION

Protein A affinity purified.

MOLECULAR WEIGHT

36 kDa

Isotype

IgG

APPLICATION DILUTION

  • WB

  • 1:1,000-1:5,000

  • IHC-P

  • 1:50-1:200

TARGET

UNIPROT #

P01861

PROTEIN NAME

IgG4

SYNONYMS

Ig gamma 4 chain C region antibody; IGHG4 antibody; Immunoglobulin heavy constant gamma 4 (G4m marker) antibody; MGC117419 antibody

SUBCELLULAR LOCATION

Secreted.

FUNCTION

The regions of relatively constant sequence beyond the variable regions of immunoglobulins are termed constant regions (C regions) and are present in both the heavy and light chains. With very few exceptions, the sites of attachment for carbohydrates on immunoglobulins are located in these C regions. These regions also function to hold the variable regions together by using the disulfide bond between them. The C regions facilitate interaction with the antigen by increasing the maximum rotation of the immunoglobulin arms. Several studies have shown that a large population of patients with recurrent respiratory tract infection have low IgG4 concentrations.