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AB140586

Recombinant Human ID2 protein (denatured)

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Recombinant Human ID2 protein (denatured) is a Human Full Length protein, in the 1 to 134 aa range, expressed in Escherichia coli, with >85%, suitable for SDS-PAGE.

View Alternative Names

BHLHB26, ID2, DNA-binding protein inhibitor ID-2, Class B basic helix-loop-helix protein 26, Inhibitor of DNA binding 2, Inhibitor of differentiation 2, bHLHb26

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SDS-PAGE - Recombinant Human ID2 protein (denatured) (AB140586)
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SDS-PAGE - Recombinant Human ID2 protein (denatured) (AB140586)

15% SDS-PAGE analysis of ab140586 (3μg).

Key facts

Purity

>85% SDS-PAGE

Expression system

Escherichia coli

Tags

His tag N-Terminus

Applications

SDS-PAGE

applications

Biologically active

No

Accession

Q02363

Animal free

No

Carrier free

No

Species

Human

Storage buffer

pH: 8 Constituents: 10% Glycerol (glycerin, glycerine), 2.4% Urea, 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":"MGSSHHHHHHSSGLVPRGSHMKAFSPVRSVRKNSLSDHSLGISRSKTPVDDPMSLLYNMNDCYSKLKELVPSIPQNKKVSKMEILQHVIDYILDLQIALDSHPTIVSLHHQRPGQNQASRTPLTTLNTDISILSLQASEFPSELMSNDSKALCG","proteinLength":"Full Length","predictedMolecularWeight":"17 kDa","actualMolecularWeight":null,"aminoAcidEnd":134,"aminoAcidStart":1,"nature":"Recombinant","expressionSystem":"Escherichia coli","accessionNumber":"Q02363","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.

ID2 also known as inhibitor of DNA binding 2 is a nuclear protein with a molecular weight approximately 15 kDa. It functions as a dominant negative regulator and lacks a DNA-binding domain but it forms heterodimers with basic helix-loop-helix (bHLH) transcription factors. This interaction with bHLH proteins inhibits their ability to bind DNA and initiate transcription. ID2 expresses in various tissues particularly in places with high cellular proliferation such as the nervous system and developing tissues.
Biological function summary

ID2 plays a role in cellular proliferation differentiation and development by modulating the activity of other transcription factors. It acts as part of a regulatory complex that blocks differentiation pathways allowing cells to maintain a proliferative and less differentiated state. ID2 often interacts with proteins like E2A and MyoD which are important for muscle cell differentiation. By regulating these factors ID2 influences the balance between cell growth and terminal differentiation.

Pathways

ID2 integrates into key signaling pathways particularly the TGF-beta and BMP signaling pathways. Through its interaction with the aforementioned bHLH transcription factors ID2 indirectly influences processes governed by these pathways. TGF-beta pathway for instance regulates cell growth and differentiation in a context-dependent manner incorporating ID2's regulatory effect on differentiation-suppressing transcription factors.

ID2 has implications in cancer and neurodegenerative diseases. Dysregulation of ID2 expression or function can contribute to tumorigenesis as it affects cell cycle progression and prevents differentiation both important in cancer development. Additionally ID2 has connections to proteins like pRb in retinoblastoma where it influences the pathway that leads to uncontrolled cellular proliferation. In the context of neurodegenerative disorders altered ID2 activity might impact neuronal differentiation providing links to cognitive deficits.
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Specifications

Form

Liquid

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General info

Function

Transcriptional regulator (lacking a basic DNA binding domain) which negatively regulates the basic helix-loop-helix (bHLH) transcription factors by forming heterodimers and inhibiting their DNA binding and transcriptional activity. Implicated in regulating a variety of cellular processes, including cellular growth, senescence, differentiation, apoptosis, angiogenesis, and neoplastic transformation. Inhibits skeletal muscle and cardiac myocyte differentiation. Regulates the circadian clock by repressing the transcriptional activator activity of the CLOCK-BMAL1 heterodimer. Restricts the CLOCK and BMAL1 localization to the cytoplasm. Plays a role in both the input and output pathways of the circadian clock : in the input component, is involved in modulating the magnitude of photic entrainment and in the output component, contributes to the regulation of a variety of liver clock-controlled genes involved in lipid metabolism.

Subcellular localisation

Nucleus

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Product protocols

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Target data

Transcriptional regulator (lacking a basic DNA binding domain) which negatively regulates the basic helix-loop-helix (bHLH) transcription factors by forming heterodimers and inhibiting their DNA binding and transcriptional activity. Implicated in regulating a variety of cellular processes, including cellular growth, senescence, differentiation, apoptosis, angiogenesis, and neoplastic transformation. Inhibits skeletal muscle and cardiac myocyte differentiation. Regulates the circadian clock by repressing the transcriptional activator activity of the CLOCK-BMAL1 heterodimer. Restricts the CLOCK and BMAL1 localization to the cytoplasm. Plays a role in both the input and output pathways of the circadian clock : in the input component, is involved in modulating the magnitude of photic entrainment and in the output component, contributes to the regulation of a variety of liver clock-controlled genes involved in lipid metabolism.
See full target information ID2
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