Recombinant Human Fragile X Mental Retardation Syndrome-Related Protein 1 (FXR1) Protein (His)

Beta LifeScience SKU/CAT #: BLC-00818P
Greater than 85% as determined by SDS-PAGE.
Greater than 85% as determined by SDS-PAGE.

Recombinant Human Fragile X Mental Retardation Syndrome-Related Protein 1 (FXR1) Protein (His)

Beta LifeScience SKU/CAT #: BLC-00818P
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Product Overview

Description Recombinant Human Fragile X Mental Retardation Syndrome-Related Protein 1 (FXR1) Protein (His) is produced by our E.coli expression system. This is a protein fragment.
Purity Greater than 85% as determined by SDS-PAGE.
Uniprotkb P51114
Target Symbol FXR1
Species Homo sapiens (Human)
Expression System E.coli
Tag C-6His
Target Protein Sequence HIAYLKEVEQLRMERLQIDEQLRQIGSRSYSGRGRGRRGPNYTSGYGTNSELSNPSETESERKDELSDWSLAGEDDRDSRHQRDSRRRPGGRGRSVSGGRGRGGPRGGKSSISSVLKDPDSNPYSLLDNTESDQTADTDASESHHSTNRRRRSRRRRTDEDAVLMDGMTESDTASVNENGLVTVADYISRAESQSRQRNLPRETLAKNKKEMAKDVIEEHGPSEKAINGPTSASGDDISKLQRTPGEEKINTLKEENTQEAAVLNGVS
Expression Range 354-621aa
Protein Length Partial
Mol. Weight 30.7 kDa
Research Area Epigenetics And Nuclear Signaling
Form Liquid or Lyophilized powder
Buffer Liquid form: default storage buffer is Tris/PBS-based buffer, 5%-50% glycerol. Lyophilized powder form: the buffer before lyophilization is Tris/PBS-based buffer, 6% Trehalose, pH 8.0.
Reconstitution Briefly centrifuged the vial prior to opening to bring the contents to the bottom. Reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL. It is recommended to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20°C/-80°C. The default final concentration of glycerol is 50%.
Storage 1. Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. 2. Avoid repeated freeze-thaw cycles. 3. Store working aliquots at 4°C for up to one week. 4. In general, protein in liquid form is stable for up to 6 months at -20°C/-80°C. Protein in lyophilized powder form is stable for up to 12 months at -20°C/-80°C.
Notes Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.

Target Details

Target Function RNA-binding protein required for embryonic and postnatal development of muscle tissue. May regulate intracellular transport and local translation of certain mRNAs.
Subcellular Location Cytoplasm, cytosol.
Protein Families FMR1 family
Database References

HGNC: 4023

OMIM: 600819

KEGG: hsa:8087

STRING: 9606.ENSP00000350170

UniGene: PMID: 29142209

  • Inhibition of the remaining family member FXR1 selectively blocks cell proliferation in human cancer cells containing homozygous deletion of both TP53 and FXR2 in a collateral lethality manner. PMID: 28767039
  • Our findings support our a priori hypothesis of a possible interaction between GSK3B (rs12630592 T allele) and FXR1 (rs496250 A allele) in mood disorder patients. PMID: 28242499
  • human microbiota was able to reduce the levels of tauro-beta-muricholic acid and induce expression of FXR target genes Fgf15 and Shp in ileum after long-term colonization. We show that a human microbiota can change BA composition and induce FXR signaling in colonized mice, but the levels of secondary BAs produced are lower than in mice colonized with a mouse microbiota PMID: 27956475
  • These data reveal a new role of FXR1 in controlling induction of monocyte migration. PMID: 27229378
  • FXR1 binds and destabilizes p21 mRNA, binds and stabilizes TERC RNA and suppresses the cellular senescence in oral cancer cells. PMID: 27606879
  • FXR1P interacts with CMAS, and that FXR1P may enhance the activation of sialic acid via interaction with CMAS, and increase GM1 levels to affect the development of the nervous system, thus providing evidence for further research into the pathogenesis of FXS. PMID: 27357083
  • P97 interacts with 3' UTR-binding FXR1a-associated microRNPs and with PARN, which binds mRNA 5' caps, forming a specialized complex to translate recruited mRNAs in these altered canonical translation conditions. PMID: 26942679
  • An accumulation of 8 SNPs in the fragile gene family (FMR1, FXR1 and FXR2)were found associated with autistic traits in a sample of male patients. PMID: 26612855
  • FXR1P is a GSK3beta substrate with a role in regulating mood and emotion processing PMID: 26240334
  • The mechanisms by which FXR1 executes its regulatory function by forming a novel complex with two other oncogenes, protein kinase C, iota and epithelial cell transforming 2, located in the same amplicon via distinct binding mechanisms, were identified. PMID: 25733852
  • binding of PKP1/3 to FXR1 was RNA independent, and both PKP3 and FXR1 stabilized PKP2 mRNA. PMID: 25225333
  • Deregulation of Fragile X-related protein 1 by the lipodystrophic lamin A p.R482W mutation elicits a myogenic gene expression program in preadipocytes. PMID: 24108105
  • findings showed that FXR1P interacts with BTF in vivo and proved that FXR1P and BTF can co-localize mainly in the cytoplasm around the nucleus PMID: 24389646
  • FXR1 and UPF1 may have a functional role in prostate cancer progression and metastasis. PMID: 23881279
  • Our study describes a novel role of FXR1P that has crucial implications for the understanding of its role during myogenesis and muscle development PMID: 23555284
  • Data show that the nuclear localization signals of the FXR1 and FXR2 comprise tandem Tudor domain architectures. PMID: 21072162
  • These results indicate that FMR1 gene function is evolutionarily conserved in neural mechanisms and cannot be compensated by either FXR1 or FXR2, but that all three proteins can substitute for each other in non-neuronal requirements. PMID: 20442204
  • Fxr1p shows a more tissue-specific expression particularly during late embryonic development. PMID: 15968590
  • Results show that three genes, namely FXR1, CLAPM1 and EIF4G, are most frequently overexpressed in the center of the amplified domain in squamous cell carcinomas. PMID: 17290396
  • A crosslinking-coupled affinity purification method was used to isolate TNF-alpha AU-rich element-associated proteins: two microRNP-related proteins, FXR1 and AGO2 were found that associate during translation activation. PMID: 17382880
  • FXR1 mRNA splicing pattern is altered in facioscapulohumeral muscular dystrophy myoblasts. PMID: 18628314
  • FXR1P and FXR2P KH2 domains bind G-quadruplex and kissing complex RNA with the same affinity as the FMRP KH2 domain. PMID: 19487368
  • FAQs

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    Proteins are sensitive to heat, and freeze-drying can preserve the activity of the majority of proteins. It improves protein stability, extends storage time, and reduces shipping costs. However, freeze-drying can also lead to the loss of the active portion of the protein and cause aggregation and denaturation issues. Nonetheless, these adverse effects can be minimized by incorporating protective agents such as stabilizers, additives, and excipients, and by carefully controlling various lyophilization conditions.

    Commonly used protectant include saccharides, polyols, polymers, surfactants, some proteins and amino acids etc. We usually add 8% (mass ratio by volume) of trehalose and mannitol as lyoprotectant. Trehalose can significantly prevent the alter of the protein secondary structure, the extension and aggregation of proteins during freeze-drying process; mannitol is also a universal applied protectant and fillers, which can reduce the aggregation of certain proteins after lyophilization.

    Our protein products do not contain carrier protein or other additives (such as bovine serum albumin (BSA), human serum albumin (HSA) and sucrose, etc., and when lyophilized with the solution with the lowest salt content, they often cannot form A white grid structure, but a small amount of protein is deposited in the tube during the freeze-drying process, forming a thin or invisible transparent protein layer.

    Reminder: Before opening the tube cap, we recommend that you quickly centrifuge for 20-30 seconds in a small centrifuge, so that the protein attached to the tube cap or the tube wall can be aggregated at the bottom of the tube. Our quality control procedures ensure that each tube contains the correct amount of protein, and although sometimes you can't see the protein powder, the amount of protein in the tube is still very precise.

    To learn more about how to properly dissolve the lyophilized recombinant protein, please visit Lyophilization FAQs.

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