PAK1 Antibody

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ProSci
Product Code: PSI-50-246
Product Group: Primary Antibodies
Supplier: ProSci
CodeSizePrice
PSI-50-246-0.1mL0.1mL£686.00
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Overview

Host Type: Rabbit
Antibody Clonality: Polyclonal
Regulatory Status: RUO
Target Species:
  • Bovine (Cattle)
  • Canine (dog)
  • Human
  • Mouse
  • Rat
Application: Western Blot (WB)
Storage:
PAK1 antibody can be stored at -20˚C and is stable at -20˚C for at least 1 year.

Images

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Western blot of rat hippocampal lysate showing specific immunolabeling of the ~68k to ~70k PAK protein (Control). The phosphospecificity of this labeling is shown in the second lane (lambda-phosphatase: lamda-Ptase). The blot is identical to the control except that it was incubated in lamda-Ptase (1200 units for 30 min) before being exposed to the phospho-Thr402 PAK-1,2,3 antibody. The immunolabeling of PAK is completely eliminated by treatment with lamda-Ptase.
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Western blot of rat hippocampal lysate showing specific immunolabeling of the ~68k to ~70k PAK protein (Control). The phosphospecificity of this labeling is shown in the second lane (lambda-phosphatase: lamda-Ptase). The blot is identical to the control except that it was incubated in lamda-Ptase (1200 units for 30 min) before being exposed to the phospho-Thr402 PAK-1,2,3 antibody. The immunolabeling of PAK is completely eliminated by treatment with lamda-Ptase.

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Further Information

Application Note:
The antibody has been directly tested for reactivity in Western blots with rat tissue. It is anticipated that the antibody will react with bovine, canine, human and mouse based on the fact that these species have 100% homology with the amino acid sequence used as antigen.
Background:
In mammals, there are several identified isoforms of p21-activated protein kinases or PAKs: alpha-PAK (also known as PAK-1) and beta-PAK (also known as PAK-3) are mostly brain-specific, while -PAK (also known as PAK-2) is expressed ubiquitously (Jakobi et al., 2003). Mutations of the gene coding for PAK-3 are associated with X-linked mental retardation and recent work indicates that PAK-3 is a key regulator of synapse formation and plasticity in the hippocampus (Boda et al., 2004). PAK-3 is thought to play a key role in regulation of cell shape and motility as well as cell death (Jakobi et al., 2003; Walter et al., 1998). Autophosphorylation of Thr402 in the protein has been found to be essential for activation of PAK (Jakobi et al., 2000).
Background References:
  • Boda B, Alberi S, Nikonenko I, Node-Langlois R, Jourdain P, Moosmayer M, Parisi-Jourdain L, Muller D (2004) The mental retardation protein PAK-3 contributes to synapse formation and plasticity in hippocampus. J Neurosci 24:10816-10825.
  • Jakobi R, Huang Z, Walter BN, Tuazon PT, Traugh JA (2000) Substrates enhance autophosphorylation and activation of p21-activated protein kinase gamma-PAK in the absence of activation loop phosphorylation. Eur J Biochem 267:4414-4421.
  • Jakobi R, McCarthy CC, Koeppel MA, Stringer DK (2003) Caspase-activated PAK-2 is regulated by subcellular targeting and proteasomal degradation. J Biol Chem 278:38675-38685.
Concentration:
batch dependent
Conjugate:
Unconjugated
Immunogen:
Phosphopeptide corresponding to amino acid residues surrounding the phospho-Thr402 of rat p21 activated kinase 2 (PAK-2). The peptide sequence used is identical in PAK-1, 2 and 3. Note: Thr402 in PAK-2 corresponds to Thr423 in human PAK-1.
Modifications:
Phospho-Specific
NCBI Gene ID #:
29431
NCBI Official Name:
p21 protein (Cdc42/Rac)-activated kinase 1
NCBI Official Symbol:
Pak1
NCBI Organism:
Rattus norvegicus
Physical State:
Liquid
PREDICTED MOLECULAR WEIGHT:
68/70
Protein Accession #:
P35465
Protein GI Number:
3915789
Purification:
Affinity Purified
Research Area:
Phospho-Specific
Swissprot #:
P35465
User NOte:
Optimal dilutions for each application to be determined by the researcher.