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AB153555

Recombinant Human CBX2 protein

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Recombinant Human CBX2 protein is a Human Fragment protein, in the 66 to 165 aa range, expressed in Wheat germ, suitable for ELISA, WB.

View Alternative Names

Chromobox protein homolog 2, CBX2

1 Images
SDS-PAGE - Recombinant Human CBX2 protein (AB153555)
  • SDS-PAGE

Unknown

SDS-PAGE - Recombinant Human CBX2 protein (AB153555)

ab153555 on a 12.5% SDS-PAGE stained with Coomassie Blue.

Key facts

Expression system

Wheat germ

Tags

GST tag N-Terminus

Applications

ELISA, WB

applications

Biologically active

No

Accession

Q14781

Animal free

No

Carrier free

No

Species

Human

Storage buffer

pH: 8 Constituents: 0.79% Tris HCl, 0.31% Glutathione

storage-buffer

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Reactivity data

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

[{"sequence":"EVQNRKRGKRPRGRPRKLTAMSSCSRRSKLKVGGCAGYADPTSQHPLGVGGRQREGLGPSGRGWHFCQQSVPLLGKQEPPFFLSLSFCCQGPQPAESSSP","proteinLength":"Fragment","predictedMolecularWeight":null,"actualMolecularWeight":null,"aminoAcidEnd":165,"aminoAcidStart":66,"nature":"Recombinant","expressionSystem":"Wheat germ","accessionNumber":"Q14781","tags":[{"tag":"GST","terminus":"N-Terminus"}]}]
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Properties and storage information

Shipped at conditions
Dry Ice
Appropriate short-term storage conditions
-80°C
Appropriate long-term storage conditions
-80°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.

The 'CBX2' protein also known as chromobox homolog 2 is an important component of the genetic regulation machinery. It weighs approximately 64 kDa and is mainly expressed in the nucleus of cells. CBX2 belongs to the Polycomb group (PcG) proteins specifically forming a part of the Polycomb repressive complex 1 (PRC1). Through its interaction with chromatin CBX2 induces transcriptional repression an important function for maintaining cellular identity and pluripotency.
Biological function summary

The effects of this protein extend to important roles in embryogenesis and cell cycle regulation. CBX2 serves as a part of PRC1 where it acts to mark chromatin for activation or repression. This complex allows CBX2 to recruit additional enzymes and proteins that modify chromatin structure ensuring tight regulation of gene expression. Cell differentiation depends heavily on the epigenetic control mediated by such proteins highlighting the importance of CBX2 in developmental biology.

Pathways

CBX2 plays integral roles in both the Wnt and the Hedgehog signaling pathways impacting cellular growth and differentiation. In these pathways CBX2 interacts with proteins like β-catenin in the Wnt pathway and GLI proteins in the Hedgehog pathway influencing gene transcription. These interactions highlight CBX2’s importance in switching genetic programs on or off in response to cellular signaling.

Researchers have associated CBX2 with cancer and sexual development disorders. Abnormal expression patterns of CBX2 are often found in various cancer types where it can interact with proteins like BMI1 to alter chromatin states. Additionally mutations in CBX2 have been linked to disorders of sex development (DSD) where it influences genes critical for sexual differentiation. Understanding CBX2’s role could cast light on pathologies related to these diseases and provide potential therapeutic targets.
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Specifications

Form

Liquid

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General info

Function

Component of a Polycomb group (PcG) multiprotein PRC1-like complex, a complex class required to maintain the transcriptionally repressive state of many genes, including Hox genes, throughout development (PubMed : 21282530). PcG PRC1 complex acts via chromatin remodeling and modification of histones; it mediates monoubiquitination of histone H2A 'Lys-119', rendering chromatin heritably changed in its expressibility (PubMed : 21282530). Binds to histone H3 trimethylated at 'Lys-9' (H3K9me3) or at 'Lys-27' (H3K27me3) (By similarity). Plays a role in the lineage differentiation of the germ layers in embryonic development (By similarity). Involved in sexual development, acting as activator of NR5A1 expression (PubMed : 19361780).

Subcellular localisation

Nucleus

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Product protocols

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Target data

Component of a Polycomb group (PcG) multiprotein PRC1-like complex, a complex class required to maintain the transcriptionally repressive state of many genes, including Hox genes, throughout development (PubMed : 21282530). PcG PRC1 complex acts via chromatin remodeling and modification of histones; it mediates monoubiquitination of histone H2A 'Lys-119', rendering chromatin heritably changed in its expressibility (PubMed : 21282530). Binds to histone H3 trimethylated at 'Lys-9' (H3K9me3) or at 'Lys-27' (H3K27me3) (By similarity). Plays a role in the lineage differentiation of the germ layers in embryonic development (By similarity). Involved in sexual development, acting as activator of NR5A1 expression (PubMed : 19361780).
See full target information CBX2
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