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AB134521

Recombinant Human SIX1 protein (denatured) (His tag N-Terminus)

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Recombinant Human SIX1 protein (denatured) (His tag N-Terminus) is a Human Full Length protein, in the 1 to 284 aa range, expressed in Escherichia coli, with >85%, suitable for SDS-PAGE.

View Alternative Names

Homeobox protein SIX1, Sine oculis homeobox homolog 1, SIX1

1 Images
SDS-PAGE - Recombinant Human SIX1 protein (denatured) (His tag N-Terminus) (AB134521)
  • SDS-PAGE

Unknown

SDS-PAGE - Recombinant Human SIX1 protein (denatured) (His tag N-Terminus) (AB134521)

15% SDS-PAGE analysis of ab134521 (3ug)

Key facts

Purity

>85% SDS-PAGE

Expression system

Escherichia coli

Tags

His tag N-Terminus

Applications

SDS-PAGE

applications

Biologically active

No

Accession

Q15475

Animal free

No

Carrier free

No

Species

Human

Storage buffer

pH: 8 Constituents: 12.01% Urea, 10% Glycerol (glycerin, glycerine), 0.32% Tris HCl

storage-buffer

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Reactivity data

{ "title": "Reactivity Data", "filters": { "stats": ["", "Reactivity", "Dilution Info", "Notes"] }, "values": { "SDS-PAGE": { "reactivity":"TESTED_AND_REACTS", "dilution-info":"", "notes":"<p></p>" } } }
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Sequence info

[{"sequence":"MGSSHHHHHHSSGLVPRGSHMGSHMSMLPSFGFTQEQVACVCEVLQQGGNLERLGRFLWSLPACDHLHKNESVLKAKAVVAFHRGNFRELYKILESHQFSPHNHPKLQQLWLKAHYVEAEKLRGRPLGAVGKYRVRRKFPLPRTIWDGEETSYCFKEKSRGVLREWYAHNPYPSPREKRELAEATGLTTTQVSNWFKNRRQRDRAAEAKERENTENNNSSSNKQNQLSPLEGGKPLMSSSEEEFSPPQSPDQNSVLLLQGNMGHARSSNYSLPGLTASQPSHGLQTHQHQLQDSLLGPLTSSLVDLGS","proteinLength":"Full Length","predictedMolecularWeight":"34.7 kDa","actualMolecularWeight":null,"aminoAcidEnd":284,"aminoAcidStart":1,"nature":"Recombinant","expressionSystem":"Escherichia coli","accessionNumber":"Q15475","tags":[{"tag":"His","terminus":"N-Terminus"}]}]
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Properties and storage information

Shipped at conditions
Blue Ice
Appropriate short-term storage duration
1-2 weeks
Appropriate short-term storage conditions
+4°C
Appropriate long-term storage conditions
-20°C
Aliquoting information
Upon delivery aliquot
Storage information
Avoid freeze / thaw cycle
False
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Supplementary information

This supplementary information is collated from multiple sources and compiled automatically.

SIX1 also known as Sine oculis homeobox homolog 1 is a transcription factor with a molecular mass of about 32 kDa. SIX1 plays an important role in regulating gene expression by binding to DNA sequences. This transcription factor shows expression in various tissues including skeletal muscle kidney and neural tissues. In developing tissues the expression is particularly significant indicating its role during embryonic development and differentiation.
Biological function summary

SIX1 influences cell proliferation survival and differentiation. As part of a transcriptional complex it interacts frequently with cofactors like EYA1 to execute its roles in developmental processes. These interactions allow SIX1 to impact gene targets that are important for tissue morphogenesis. The malfunctioning of these processes can lead to developmental disorders highlighting its role in the regulatory networks that govern organogenesis.

Pathways

Several essential biological processes involve SIX1 including the Wnt/β-catenin and TGF-β signaling pathways. In these pathways SIX1 sometimes regulates or interacts with proteins such as β-catenin enhancing transcriptional activation essential for cell fate determination. In the TGF-β pathway SIX1 influences epithelial-mesenchymal transition (EMT) an important event in embryogenesis and metastasis. These pathway involvements indicate its importance in maintaining cellular homeostasis and signaling balance.

SIX1 has a significant link to cancer and congenital anomalies. Overexpression or mutations of SIX1 are often implicated in different cancers such as breast cancer due to its role in facilitating EMT and increasing invasiveness. Moreover SIX1 mutations associate with Branchio-Oto-Renal (BOR) syndrome a developmental disorder that affects the kidneys ears and branchial arches. In these contexts SIX1 connects with other proteins like β-catenin in cancer pathways and EYA1 in BOR syndrome further illustrating its broad impact on health and disease.
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Specifications

Form

Liquid

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General info

Function

Transcription factor that is involved in the regulation of cell proliferation, apoptosis and embryonic development (By similarity). Plays an important role in the development of several organs, including kidney, muscle and inner ear (By similarity). Depending on context, functions as a transcriptional repressor or activator (By similarity). Lacks an activation domain, and requires interaction with EYA family members for transcription activation (PubMed : 15141091). Mediates nuclear translocation of EYA1 and EYA2 (PubMed : 19497856). Binds the 5'-TCA[AG][AG]TTNC-3' motif present in the MEF3 element in the MYOG promoter and CIDEA enhancer (PubMed : 15141091, PubMed : 19497856, PubMed : 23435380, PubMed : 27923061). Regulates the expression of numerous genes, including MYC, CCND1 and EZR (By similarity). Acts as an activator of the IGFBP5 promoter, probably coactivated by EYA2 (By similarity). Repression of precursor cell proliferation in myoblasts is switched to activation through recruitment of EYA3 to the SIX1-DACH1 complex (By similarity). During myogenesis, seems to act together with EYA2 and DACH2 (By similarity). Regulates the expression of CCNA1 (PubMed : 15123840). Promotes brown adipocyte differentiation (By similarity).

Sequence similarities

Belongs to the SIX/Sine oculis homeobox family.

Post-translational modifications

Phosphorylated during interphase; becomes hyperphosphorylated during mitosis. Hyperphosphorylation impairs binding to promoter elements.. Ubiquitinated by the anaphase promoting complex (APC), leading to its proteasomal degradation.

Subcellular localisation

Nucleus

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Product protocols

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Target data

Transcription factor that is involved in the regulation of cell proliferation, apoptosis and embryonic development (By similarity). Plays an important role in the development of several organs, including kidney, muscle and inner ear (By similarity). Depending on context, functions as a transcriptional repressor or activator (By similarity). Lacks an activation domain, and requires interaction with EYA family members for transcription activation (PubMed : 15141091). Mediates nuclear translocation of EYA1 and EYA2 (PubMed : 19497856). Binds the 5'-TCA[AG][AG]TTNC-3' motif present in the MEF3 element in the MYOG promoter and CIDEA enhancer (PubMed : 15141091, PubMed : 19497856, PubMed : 23435380, PubMed : 27923061). Regulates the expression of numerous genes, including MYC, CCND1 and EZR (By similarity). Acts as an activator of the IGFBP5 promoter, probably coactivated by EYA2 (By similarity). Repression of precursor cell proliferation in myoblasts is switched to activation through recruitment of EYA3 to the SIX1-DACH1 complex (By similarity). During myogenesis, seems to act together with EYA2 and DACH2 (By similarity). Regulates the expression of CCNA1 (PubMed : 15123840). Promotes brown adipocyte differentiation (By similarity).
See full target information Homeobox protein SIX1
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