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Western blot of rat hippocampal lysate showing specific immunolabeling of the ~68 kDa to ~70 kDa PAK protein (Lane 1). The phosphospecificty of this labeling is shown in Lane 2 (lambda-phosphatase). The blot is identical to the control except that it was incubated in lambda-phosphatase (1200 units for 30 min) before being exposed to the Anti-Phospho- Thr402 PAK-1,2,3. The immunolabeling of PAK is completely eliminated by treatment with lambda-phosphatase.
|Tested species reactivity||Rat|
|Host / Isotype||Rabbit / IgG|
|Immunogen||Synthetic phospho-peptide corresponding to amino acid residues surrounding Thr402 of rat PAK1-3 conjugated to KLH|
|Storage buffer||0.01M HEPES, pH 7.5, with 0.15M NaCl, 100µg/ml BSA, 50% glycerol|
|Storage Conditions||-20° C, Avoid Freeze/Thaw Cycles|
|Tested Applications||Dilution *|
|Western Blot (WB)||1:1000|
* Suggested working dilutions are given as a guide only. It is recommended that the user titrate the product for use in their own experiment using appropriate negative and positive controls.
This antibody is predicted to react with bovine, canine, human and mouse based on 100% sequence homology.
This antibody is specific for the ~68 kDa to ~70 kDa PAK phosphorylated at Thr402. Immunolabeling can be blocked by lambda-phosphatase treatment.
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 gamma-PAK (also known as PAK-2) is expressed ubiquitously (Jakobi et al., 2003). Mutations of the gene coding for PAK-3 are associated wit 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).
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
2; 3; alpha-PAK; C-t-PAK2; OPHN3; p21 (CDKN1A)-activated kinase 1; p21 (CDKN1A)-activated kinase 2; p21 (CDKN1A)-activated kinase 3; p21-activated kinase 1; p21-activated kinase 2; p21-activated kinase 3; p21-Activated Protein Kinase-1; p21/Cdc42/Rac1-activated kinase 1 (yeast Ste20-related); p21/Cdc42/Rac1-activated kinase 3 (yeast Ste20-related); p65-PAK; p68-PAK; PAK-1; PAK-2; PAK-2p27; PAK-2p34; PAK-3; Pak1; Pak2; Pak3; protein kinase MUK2; serine/threonine-protein kinase PAK 1; serine/threonine-protein kinase PAK 2; serine/threonine-protein kinase PAK 3
beta-PAK; gamma-PAK; Pak1; Pak3