Recombinant Human ELK1 protein
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Recombinant Human ELK1 protein is a Human Full Length protein, expressed in Escherichia coli, with >75%, suitable for SDS-PAGE.
View Alternative Names
ETS domain-containing protein Elk-1, ELK1
- SDS-PAGE
Unknown
SDS-PAGE - Recombinant Human ELK1 protein (AB70380)
SDS-PAGE showing ELK1 at approximately 81kDa.
Reactivity data
Sequence info
Properties and storage information
Shipped at conditions
Appropriate short-term storage conditions
Appropriate long-term storage conditions
Aliquoting information
Storage information
Supplementary information
This supplementary information is collated from multiple sources and compiled automatically.
Biological function summary
ELK1 functions in the regulation of gene expression related to cellular proliferation and differentiation. It often forms a ternary complex with serum response factor (SRF) on serum response elements (SREs) to modulate the transcriptional responses of genes important for cell growth. The activation of ELK1 is phosphorylation-dependent primarily by mitogen-activated protein kinases (MAPKs) which further facilitates its role as a transcription regulator. This phosphorylation increases the transcriptional activity enabling ELK1 to actively participate in cellular responses to external signals.
Pathways
ELK1 participates prominently in the MAPK/ERK signaling pathway and the JNK signaling pathway. Through these pathways ELK1 gets activated influencing the transcription of immediate early genes responsible for cell cycle progression and apoptosis. ELK1 interacts with other proteins in these pathways such as MEK and ERK leading to a coordinated response to growth signals. These interactions underline its importance in signal transduction processes and cellular response mechanisms.
Specifications
Form
Liquid
General info
Function
Transcription factor that binds to purine-rich DNA sequences (PubMed : 10799319, PubMed : 7889942). Forms a ternary complex with SRF and the ETS and SRF motifs of the serum response element (SRE) on the promoter region of immediate early genes such as FOS and IER2 (PubMed : 1630903). Induces target gene transcription upon JNK and MAPK-signaling pathways stimulation (PubMed : 7889942).
Sequence similarities
Belongs to the ETS family.
Post-translational modifications
Sumoylation represses transcriptional activator activity as it results in recruitment of HDAC2 to target gene promoters which leads to decreased histone acetylation and reduced transactivator activity. It also regulates nuclear retention.. On mitogenic stimulation, phosphorylated on C-terminal serine and threonine residues by MAPK1. Ser-383 and Ser-389 are the preferred sites for MAPK1. In vitro, phosphorylation by MAPK1 potentiates ternary complex formation with the serum responses factors, SRE and SRF. Also phosphorylated on Ser-383 by MAPK8 and/or MAKP9. Phosphorylation leads to loss of sumoylation and restores transcriptional activator activity. Phosphorylated and activated by CAMK4, MAPK11, MAPK12 and MAPK14. Upon bFGF stimulus, phosphorylated by PAK1 (By similarity). Phosphorylated by PRP4K at Thr-417; phosphorylation activation ELK1 transcriptional activity (PubMed:10799319).
Target data
Product promise
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