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PRODUCT CODE: ET1611-87

Recombinant TAPA1/CD81 Monoclonal Antibody (ET1611-87)

  • Recombinant

Applications

  • WB

  • ICC

  • IHC-P

  • FC

REACTIVITY

  • Human

  • Mouse

  • Rat

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Western blot analysis of TAPA1/CD81 on different lysates. Proteins were transferred to a PVDF membrane and blocked with 5% BSA in PBS for 1 hour at room temperature. The primary antibody (ET1611-87, 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.<br /> Positive control: <br /> Lane 1: PC-12 cell lysate<br /> Lane 2: JAR cell lysate
  • Western blot analysis of TAPA1/CD81 on different lysates. Proteins were transferred to a PVDF membrane and blocked with 5% BSA in PBS for 1 hour at room temperature. The primary antibody (ET1611-87, 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.<br /> Positive control: <br /> Lane 1: PC-12 cell lysate<br /> Lane 2: JAR cell lysate
  • ICC staining of TAPA1/CD81 in 293 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 (ET1611-87, 1/50) 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).
  • ICC staining of TAPA1/CD81 in A549 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 (ET1611-87, 1/50) 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).
  • ICC staining of TAPA1/CD81 in SH-SY5Y 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 (ET1611-87, 1/50) 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).
  • ICC staining of TAPA1/CD81 in PC-12 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 (ET1611-87, 1/50) 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 liver tissue using anti-TAPA1/CD81 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 (ET1611-87, 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 mouse testis tissue using anti-TAPA1/CD81 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 (ET1611-87, 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 mouse lung tissue using anti-TAPA1/CD81 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 (ET1611-87, 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.
  • Flow cytometric analysis of TAPA1/CD81 was done on Jurkat cells. The cells were fixed, permeabilized and stained with the primary antibody (ET1611-87, 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 TAPA1/CD81 on different lysates. Proteins were transferred to a PVDF membrane and blocked with 5% BSA in PBS for 1 hour at room temperature. The primary antibody (ET1611-87, 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.
Positive control:
Lane 1: PC-12 cell lysate
Lane 2: JAR cell lysate

Applications

  • WB

  • ICC

  • IHC-P

  • FC

REACTIVITY

  • Human

  • Mouse

  • Rat

SPECIFICATIONS

Product Type

Recombinant Rabbit monoclonal primary

Product Name

Recombinant TAPA1/CD81 Monoclonal Antibody (ET1611-87)

Immunogen

Recombinant protein

Host

Rabbit

Positive Control

PC-12 cell lysate, JAR cell lysate, 293, A549, SH-SY5Y, PC-12, human liver tissue, mouse testis tissue, mouse lung tissue, Jurkat.

Conjugation

Unconjugated

Clonality

Monoclonal

Clone Number

SN206-01

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

20 kDa

Isotype

IgG

APPLICATION DILUTION

  • WB

  • 1:1,000-1:2,000

  • ICC

  • 1:100-1:500

  • IHC-P

  • 1:50-1:200

  • FC

  • 1:50-1:100

TARGET

UNIPROT #

P60033

PROTEIN NAME

TAPA1/CD81

SYNONYMS

26 kDa cell surface protein TAPA 1 antibody; 26 kDa cell surface protein TAPA-1 antibody; 26 kDa cell surface protein TAPA1 antibody; CD 81 antibody; CD81 antibody; CD81 antigen (target of antiproliferative antibody; 1) antibody; CD81 antigen antibody; CD81 molecule antibody; CD81_HUMAN antibody; CVID6 antibody; S5.7 antibody; TAPA 1 antibody; TAPA1 antibody; Target of the antiproliferative antibody; 1 antibody; Tetraspanin 28 antibody; Tetraspanin-28 antibody; Tetraspanin28 antibody; Tspan 28 antibody; Tspan-28 antibody; Tspan28 antibody

SEQUENCE SIMILARITIES

Belongs to the tetraspanin (TM4SF) family.

TISSUE SPECIFICITY

Expressed on B cells (at protein level). Expressed in hepatocytes (at protein level). Expressed in monocytes/macrophages (at protein level). Expressed on both naive and memory CD4-positive T cells (at protein level).

POST-TRANSLATIONAL MODIFICATION

Not glycosylated.; Likely constitutively palmitoylated at low levels. Protein palmitoylation is up-regulated upon coligation of BCR and CD9-C2R-CD81 complexes in lipid rafts.

SUBCELLULAR LOCATION

Membrane.

FUNCTION

CD81, also called TAPA-1, is a type III transmembrane protein that is broadly expressed on cells of hematopoietic, neuroectodermal and mesenchymal origin. CD81 is believed to be involved in both cell growth and signal transduction. It can be present as a multimolecular complex in association with CD37 and/or CD53, or on the surface of B cells in association with CD19, CD21 and/or MHC class II antigens.