Recombinant Human F-box/WD repeat-containing protein 7 (FBXW7) Protein, Homo sapiens(Human), in vitro E.coli expression system, N-terminal 6xHis-tagged, 83.7kDa, purity >90% as determined by SDS-PAGE.

Recombinant Human F-box/WD repeat-containing protein 7 (FBXW7) Protein

Recombinant Human F-box/WD repeat-containing protein 7 (FBXW7) Protein — Substrate recognition component of a SCF (SKP1-CUL1-F-box protein) E3 ubiquitin-protein ligase complex which mediates the ubiquitination and subsequent proteasomal degradation of target proteins. Purity >90%.

SKU: BCRECP-00658TM Category:
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Product Specifications

Uniprot No.Q969H0
Gene NamesFBXW7
PurityGreater than 90% as determined by SDS-PAGE.
Expression Systemin vitro E.coli expression system
Expression Region1-707aa
SpeciesHomo sapiens(Human)
Tag InfoN-terminal 6xHis-tagged
Molecular weight83.7kDa
BufferIf the delivery form is liquid, the default storage buffer is Tris/PBS-based buffer, 5%-50% glycerol.If the delivery form is lyophilized powder, the buffer before lyophilization is Tris/PBS-based buffer, 6% Trehalose.
StorageStore at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.

Function

Substrate recognition component of a SCF (SKP1-CUL1-F-box protein) E3 ubiquitin-protein ligase complex which mediates the ubiquitination and subsequent proteasomal degradation of target proteins. Recognizes and binds phosphorylated sites/phosphodegrons within target proteins and thereafter brings them to the SCF complex for ubiquitination. Identified substrates include cyclin-E (CCNE1 or CCNE2), DISC1, JUN, MYC, NOTCH1 released notch intracellular domain (NICD), NFE2L1, NOTCH2, MCL1, MLST8, RICTOR, and probably PSEN1.

Biological Context

Subcellular Location: Nucleus, nucleolus
Tissue Specificity: Expressed in brain
Disease Association: Developmental delay, hypotonia, and impaired language (DEDHIL) : An autosomal dominant neurodevelopmental disorder characterized by global developmental delay, borderline to severe intellectual disability, language difficulties, hypotonia, and gastrointestinal problems. Brain imaging shows variable structural abnormalities affecting the cerebellum, corpus collosum, and white matter. [The disease is caused by variants affecting the gene represented in this entry]
Pathway: Protein modification; protein ubiquitination

Product Specifications

Recombinant Human F-box/WD repeat-containing protein 7 (FBXW7) Protein is a recombinant protein from Homo sapiens(Human), expressed in in vitro E.coli expression system, covering amino acids 1-707aa, with N-terminal 6xHis-tagged tag, molecular weight 83.7kDa, purity Greater than 90% as determined by SDS-PAGE.. Suitable for ELISA and Western Blot applications.

SDS-PAGE: Single band at expected molecular weight confirming purity.

ELISA: Suitable as coating antigen or detection standard.

Western Blot: Compatible with standard Western Blot protocols.

Protein Interaction: Validated for SPR (Surface Plasmon Resonance) and BLI (Bio-Layer Interferometry) studies.

Shipping: Shipped at ambient temperature. Lyophilized protein is stable during transit.

Storage: Store lyophilized protein at -20°C to -80°C. Reconstituted protein should be aliquoted and stored at -80°C. Avoid repeated freeze-thaw cycles.

Shelf Life: 12 months from date of receipt when stored as recommended.

Shipping Time: Orders placed before 2 PM EST ship same day. International orders typically deliver within 5-10 business days.

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Protein Biology

Function

Substrate recognition component of a SCF (SKP1-CUL1-F-box protein) E3 ubiquitin-protein ligase complex which mediates the ubiquitination and subsequent proteasomal degradation of target proteins (PubMed:17434132, PubMed:22748924, PubMed:26976582, PubMed:28727686, PubMed:34741373, PubMed:35395208). Recognizes and binds phosphorylated sites/phosphodegrons within target proteins and thereafter brings them to the SCF complex for ubiquitination (PubMed:17434132, PubMed:22748924, PubMed:26774286, PubMed:26976582, PubMed:28727686, PubMed:34741373). Identified substrates include cyclin-E (CCNE1 or CCNE2), DISC1, JUN, MYC, NOTCH1 released notch intracellular domain (NICD), NFE2L1, NOTCH2, MCL1, MLST8, RICTOR, and probably PSEN1 (PubMed:11565034, PubMed:11585921, PubMed:12354302, PubMed:14739463, PubMed:15103331, PubMed:17558397, PubMed:17873522, PubMed:22608923, PubMed:22748924, PubMed:25775507, PubMed:25897075, PubMed:26976582, PubMed:28007894, PubMed:28727686, PubMed:29149593, PubMed:34102342). Acts as a negative regulator of JNK signaling by binding to phosphorylated JUN and promoting its ubiquitination and subsequent degradation (PubMed:14739463). Involved in bone homeostasis and negative regulation of osteoclast differentiation (PubMed:29149593). Regulates the amplitude of the cyclic expression of hepatic core clock genes and genes involved in lipid and glucose metabolism via ubiquitination and proteasomal degradation of their transcriptional repressor NR1D1; CDK1-dependent phosphorylation of NR1D1 is necessary for SCF(FBXW7)-mediated ubiquitination (PubMed:27238018). Also able to promote 'Lys-63'-linked ubiquitination in response to DNA damage (PubMed:26774286). The SCF(FBXW7) complex facilitates double-strand break repair following phosphorylation by ATM: phosphorylation promotes localization to sites of double-strand breaks and 'Lys-63'-linked ubiquitination of phosphorylated XRCC4, enhancing DNA non-homologous end joining (PubMed:26774286)

Subcellular Location

Nucleus, nucleolus

Disease Association

Developmental delay, hypotonia, and impaired language (DEDHIL) : An autosomal dominant neurodevelopmental disorder characterized by global developmental delay, borderline to severe intellectual disability, language difficulties, hypotonia, and gastrointestinal problems. Brain imaging shows variable structural abnormalities affecting the cerebellum, corpus collosum, and white matter. [The disease is caused by variants affecting the gene represented in this entry]

Tissue Specificity

Expressed in brain

Subunit

(Microbial infection) Interacts (via WD repeats) with SV40 large T antigen (via CPD region)

Pathway

Protein modification; protein ubiquitination

Gene: FBXW7  |  Organism: Homo sapiens  |  Synonyms: Archipelago homolog; F-box and WD-40 domain-containing protein 7; F-box protein FBX30; SEL-10; hCdc4
Key Publications

Frequently Asked Questions

How do I order or inquire about this product?

Fill out the Online Inquiry form with your required quantity and specifications. You can also email sales@biocrestsci.com. Our team typically responds within 4 business hours with a quote and availability confirmation.

What is the shipping and delivery time?

Orders placed before 2 PM EST ship the same day. Domestic (US) delivery typically takes 2-3 business days. International orders deliver within 5-10 business days. All products are shipped at ambient temperature with appropriate packaging to ensure stability.

How should I store this recombinant protein?

Lyophilized proteins should be stored at -20°C to -80°C upon receipt. After reconstitution, aliquot and store at -80°C. Avoid repeated freeze-thaw cycles. Shelf life is 12 months from date of receipt when stored as recommended.

What quality controls are performed on your products?

Each product undergoes SDS-PAGE purity analysis (typically >85-95%), endotoxin testing, and bioactivity validation. Products are validated for ELISA, Western Blot, and SPR/BLI applications as specified on this product page. A Certificate of Analysis (CoA) is available upon request.

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