PRODUCT CODE: ET1701-90

PTP1B Recombinant Rabbit Monoclonal Antibody [JJ0935] (ET1701-90)

  • Zebrafish
  • Recombinant

Applications

  • WB

  • ICC

  • IF

  • IHC-P

  • FC

REACTIVITY

  • Human

  • Zebrafish

Western blot analysis of PTP1B 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 (ET1701-90, 1/500) was used in 5% BSA at room temperature for 2 hours. Goat Anti-Rabbit IgG - HRP Secondary Antibody (HA1001) at 1:200,000 dilution was used for 1 hour at room temperature.<br />
Positive control: <br />
Lane 1: Zebrafish tissue lysate<br />
Lane 2: MCF-7 cell lysate<br />
Lane 3: HepG2 cell lysate<br />
Lane 4: A431 cell lysate
  • Western blot analysis of PTP1B 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 (ET1701-90, 1/500) was used in 5% BSA at room temperature for 2 hours. Goat Anti-Rabbit IgG - HRP Secondary Antibody (HA1001) at 1:200,000 dilution was used for 1 hour at room temperature.<br />
Positive control: <br />
Lane 1: Zebrafish tissue lysate<br />
Lane 2: MCF-7 cell lysate<br />
Lane 3: HepG2 cell lysate<br />
Lane 4: A431 cell lysate
  • ICC staining of PTP1B in Hela 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 (ET1701-90, 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 PTP1B in MCF-7 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 (ET1701-90, 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 PTP1B in HepG2 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 (ET1701-90, 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 tonsil tissue using anti-PTP1B 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 (ET1701-90, 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 PTP1B was done on Raji cells. The cells were fixed, permeabilized and stained with the primary antibody (ET1701-90, 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 PTP1B 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 (ET1701-90, 1/500) was used in 5% BSA at room temperature for 2 hours. Goat Anti-Rabbit IgG - HRP Secondary Antibody (HA1001) at 1:200,000 dilution was used for 1 hour at room temperature.
Positive control:
Lane 1: Zebrafish tissue lysate
Lane 2: MCF-7 cell lysate
Lane 3: HepG2 cell lysate
Lane 4: A431 cell lysate

Applications

  • WB

  • ICC

  • IF

  • IHC-P

  • FC

REACTIVITY

  • Human

  • Zebrafish

SPECIFICATIONS

Product Type

Recombinant Rabbit monoclonal primary

Product Name

PTP1B Recombinant Rabbit Monoclonal Antibody [JJ0935] (ET1701-90)

Immunogen

Synthetic peptide within human ptp1b aa 374-400 / 435.

Host

Rabbit

Positive Control

A431, MCF-7, Hela, HepG2, human tonsil tissue, Zebrafish.

Conjugation

Unconjugated

Clonality

Monoclonal

Clone Number

JJ0935

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 purified.

MOLECULAR WEIGHT

50 kDa

Isotype

IgG

APPLICATION DILUTION

  • WB

  • 1:1,000-1:2,000

  • ICC/IF

  • 1:100-1:500

  • IHC-P

  • 1:50-1:200

  • FC

  • 1:50-1:100

TARGET

UNIPROT #

PROTEIN NAME

PTP1B

SYNONYMS

PTP1B antibody; Non receptor tyrosine phosphatase 1 antibody; Protein phosphotyrosylphosphatase 1B antibody; Protein tyrosine phosphatase 1B antibody; Protein tyrosine phosphatase non receptor type 1 antibody; Protein tyrosine phosphatase placental antibody; Protein-tyrosine phosphatase 1B antibody; PTN1_HUMAN antibody; PTP 1B antibody; PTP-1B antibody; PTPN 1 antibody; PTPN1 antibody; Tyrosine protein phosphatase non receptor type 1 antibody; Tyrosine-protein phosphatase non-receptor type 1 antibody

SEQUENCE SIMILARITIES

Belongs to the protein-tyrosine phosphatase family. Non-receptor class 1 subfamily.

TISSUE SPECIFICITY

Expressed in keratinocytes (at protein level).

POST-TRANSLATIONAL MODIFICATION

Oxidized on Cys-215; the Cys-SOH formed in response to redox signaling reacts with the alpha-amido of the following residue to form a sulfenamide cross-link, triggering a conformational change that inhibits substrate binding and activity. The active site can be restored by reduction.; Ser-50 is the major site of phosphorylation as compared to Ser-242 and Ser-243. Activated by phosphorylation at Ser-50.; S-nitrosylation of Cys-215 inactivates the enzyme activity.; Sulfhydration at Cys-215 following endoplasmic reticulum stress inactivates the enzyme activity, promoting EIF2AK3/PERK activity.

SUBCELLULAR LOCATION

Endoplasmic reticulum membrane.

FUNCTION

The phosphorylation of proteins at tyrosine residues has long been recognized as an important regulatory component of signal transduction. This is a reversible process, involving both enzymes that phosphorylate proteins on tyrosine residues as well as a rapidly expanding family of protein tyrosine phosphatases. These latter enzymes bear little resemblance to either the protein serine and protein threonine phosphatases or to the acid and alkaline phosphatases. In most tissues, the major PTPase is a vanadate- and molybdate-sensitive protein. On the basis of sequence analysis, PTP1B (PTPase 1B) expressed in human placenta exhibits similarities both with the common leukocyte antigen (CD45) and with LAR, a homolog of the neural adhesion molecule (NCAM). PTP1B is synthesized as a 435 amino acid precursor protein which is cleaved to generate the active 321 amino acid enzyme.