DEK Protein
Source: GST-tagged recombinant human kidney produced in E. coli.
Purity: > 90% by SDS-PAGE, apparent Mr ~ 70-kDa.
Supplied: 1 μg in 50 μl 50 mM Tris-HCl pH 7.0 buffer containing 14 mM β-mercaptoethanol, 1 mM benzamidine, 0.1 mM phenylmethanesulfonyl fluoride, 1 mM EDTA and 10% glycerol. Maintain preparations in aliquots at -70° C. Avoid repeated thawing.
Synonym: DEK-GST oncoprotein
Background: DEK is a nuclear phosphoprotein of apparent Mr ~ 43 kDa that is fused to the nucleoporin CAN as a result of a recurrent (6;9) chromosomal translocation in a subset of acute myeloid leukemias and myelodysplastic syndrome. DEK also acts as an autoimmune antigen in juvenile rheumatoid arthritis and other rheumatic diseases. DEK associates with the transcriptional co-repressor Human Daxx, the SRm160 splicing coactivator and the HIV-2 enhancer. It changes the topology of DNA by introducing constrained positive supercoils into protein-free and chromatin-associated DNA. DEK exhibits some structural similarity to I2PP2A/SET, which also occurs as a fusion protein with CAN in acute undifferentiated leukemia. However, DEK does directly affect the activity of PP2A.
References: Mol Cell Biol 12: 1687; Clin Exp Immunol 94: 435; Proc Natl Acad Sci USA 94: 1811; J Cell Sci 115: 3319
GloboZymes抗PAK
GloboZymes Anti-PAK是一种亲和纯化的多克隆兔抗体。它被生产为对应于人PAK1残基484-502的合成肽。该抗体可用于蛋白质印迹。例如，抗体可以与30μgHEK293细胞提取物以1：1000稀释度使用。除了PAK1，该抗体还显示出与PAK2的反应性。
同义词：Anti-p65PAK; 抗p68PAK; p21活化蛋白激酶抗体。
用Ani-PAK进行的HEK293提取物的Western印迹
图：将HEK293细胞提取物（30μg）用GloboZymes亲和纯化的Anti-PAK多克隆抗体进行Western印迹。该频带对应于PAK65（65 kDa）。
背景：p21-GTPase激活的蛋白激酶家族（PAK's）调节许多过程。这些过程包括细胞形态和细胞骨架组织，细胞运动，凋亡，神经元功能和细胞周期进程等。PAK与几种重要的调节蛋白相互作用，包括蛋白磷酸酶2A（PP2A），核糖体蛋白S6激酶，混合谱系激酶（MLK2）和SH3-SH2接头Nck。PAK的生理学靶标包括p38 MAP激酶，JNK，cRaf-1和SynapsinI。PAK的催化结构域通过半胱天冬酶依赖性途径在凋亡细胞中产生。与天然酶不同，催化域不受Rac或Cdc42的影响。
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