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SAB1300492

Sigma-Aldrich

Anti-PTPβ (C-term) antibody produced in rabbit

IgG fraction of antiserum, buffered aqueous solution

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About This Item

UNSPSC Code:
12352203
NACRES:
NA.41

biological source

rabbit

conjugate

unconjugated

antibody form

IgG fraction of antiserum

antibody product type

primary antibodies

clone

polyclonal

form

buffered aqueous solution

species reactivity

human

technique(s)

indirect ELISA: 1:1000

NCBI accession no.

UniProt accession no.

shipped in

dry ice

storage temp.

−20°C

target post-translational modification

unmodified

Gene Information

human ... PTPRB(5787)

General description

Phosphorylation of receptors by protein kinases is a process that can be reversed by a group of enzymes called protein phosphatases. Coordinated control of kinases and phosphatases provides the cell with the capacity to rapidly switch between phosphorylated and dephosphorylated protein states in dynamic response to environmental stimuli. Activation of critical enzymes by kinase phosphorylation alone is not enough to provide adequate regulation – it is the combination with phosphatase dephosphorylation that effectively creates on/off switches to control cellular events. Errors in control, either through kinases or their counterpart phosphatases, can lead to unchecked cell growth attributable to human cancers and developmental disorders. Potential mechanisms to control dephosphorylation include changes in the expression of protein phosphatases, their subcellular localization, phosphorylation of phosphatase catalytic and regulatory subunits and regulation by endogenous phosphatase inhibitors. Most protein phosphatases are not stringently specific for their substrates. Consequently, changes in phosphatase activity may have a broad impact on dephosphorylation and turnover of phosphoproteins that are substrates for different kinases. This may be an important point of control to connect cellular circuitry of interrelated signaling pathways, and to synchronize physiological responses.

Immunogen

PTPBETA (1957-1993)
This antibody is generated from rabbits immunized with a KLH conjugated synthetic peptide selected from the C-terminal region of human PTPbeta.

Biochem/physiol Actions

Protein tyrosine phosphatase, receptor type B (PTPRB), also known as vascular endothelial-protein-tyrosine phosphatase (VE-PTP), might have a role in remodeling of blood vessels and in angiogenesis. It is also important for endothelial cell migration. The protein also controls the phosphorylation state of the angiopoietin receptor, Tie-2. PTPRB may modulate sodium channels by influencing the tyrosine phosphorylation status.

Physical form

Purified polyclonal antibody supplied in PBS with 0.09% (W/V) sodium azide.

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Storage Class Code

10 - Combustible liquids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

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Picomolar concentrations of free zinc(II) ions regulate receptor protein-tyrosine phosphatase ? activity.
Wilson M
The Journal of Biological Chemistry (2012)
A sodium channel signaling complex: modulation by associated receptor protein tyrosine phosphatase beta.
Ratcliffe CF
Nature Neuroscience (2000)
Shear stress-induced redistribution of vascular endothelial-protein-tyrosine phosphatase (VE-PTP) in endothelial cells and its role in cell elongation.
Mantilidewi KI
The Journal of Biological Chemistry (2014)

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