Recombinant Human Rad51-Associated Protein 1 (RAD51AP1) Protein (His)

Beta LifeScience SKU/CAT #: BLC-06487P
Greater than 85% as determined by SDS-PAGE.
Greater than 85% as determined by SDS-PAGE.

Recombinant Human Rad51-Associated Protein 1 (RAD51AP1) Protein (His)

Beta LifeScience SKU/CAT #: BLC-06487P
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Product Overview

Description Recombinant Human Rad51-Associated Protein 1 (RAD51AP1) Protein (His) is produced by our Yeast expression system. This is a full length protein.
Purity Greater than 85% as determined by SDS-PAGE.
Uniprotkb Q96B01
Target Symbol RAD51AP1
Species Homo sapiens (Human)
Expression System Yeast
Tag C-6His
Target Protein Sequence MVRPVRHKKPVNYSQFDHSDSDDDFVSATVPLNKKSRTAPKELKQDKPKPNLNNLRKEEIPVQEKTPKKRLPEGTFSIPASAVPCTKMALDDKLYQRDLEVALALSVKELPTVTTNVQNSQDKSIEKHGSSKIETMNKSPHISNCSVASDYLDLDKITVEDDVGGVQGKRKAASKAAAQQRKILLEGSDGDSANDTEPDFAPGEDSEDDSDFCESEDNDEDFSMRKSKVKEIKKKEVKVKSPVEKKEKKSKSKCNALVTSVDSAPAAVKSESQSLPKKVSLSSDTTRKPLEIRSPSAESKKPKWVPPAASGGSRSSSSPLVVVSVKSPNQSLRLGLSRLARVKPLHPNATST
Expression Range 1-352aa
Protein Length Full Length
Mol. Weight 39.9 kDa
Research Area Others
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 Structure-specific DNA-binding protein involved in DNA repair by promoting RAD51-mediated homologous recombination. Acts by stimulating D-Loop formation by RAD51: specifically enhances joint molecule formation through its structure-specific DNA interaction and its interaction with RAD51. Binds single-stranded DNA (ssDNA), double-stranded DNA (dsDNA) and secondary DNA structures, such as D-loop structures: has a strong preference for branched-DNA structures that are obligatory intermediates during joint molecule formation. Cooperates with WDR48/UAF1 to stimulate RAD51-mediated homologous recombination: both WDR48/UAF1 and RAD51AP1 have coordinated role in DNA-binding during homologous recombination and DNA repair. WDR48/UAF1 and RAD51AP1 also have a coordinated role in DNA-binding to promote USP1-mediated deubiquitination of FANCD2. Also involved in meiosis by promoting DMC1-mediated homologous meiotic recombination. Key mediator of alternative lengthening of telomeres (ALT) pathway, a homology-directed repair mechanism of telomere elongation that controls proliferation in aggressive cancers, by stimulating homologous recombination. May also bind RNA; additional evidences are however required to confirm RNA-binding in vivo.
Subcellular Location Chromosome. Nucleus. Chromosome, telomere.
Database References

HGNC: 16956

OMIM: 603070

KEGG: hsa:10635

STRING: 9606.ENSP00000228843

UniGene: PMID: 29126163

  • The current understanding of the biochemical and biological functions of RAD51AP1 as HR factor is reviewed. It is also discussed how RAD51AP1 may help to promote cancer development and potentially be a promising new target for therapeutic intervention. [REVIEW] PMID: 28963981
  • USP1-UAF1 complex promotes homologous recombination repair via multiple mechanisms: through FANCD2 deubiquitination, as well as by interacting with RAD51AP1. PMID: 27463890
  • RAD51AP1 is required for the maintenance of DNA replication fork progression. PMID: 25288561
  • Data suggest that microRNA/mRNA pairs in hsa-miR-140-3p/RAD51AP1/, hsa-miR-145/E2F3, hsa-miR-139-5p/TOP2A, and hsa-miR-133a/GCLC were correlated with ovarian tumorigenesis. PMID: 22452920
  • We have finely mapped the two DNA binding domains in RAD51AP1 and using mutant variants, reveal that both domains are indispensable for RAD51AP1 function in cells. PMID: 22375013
  • RAD51-associated protein 1 (RAD51AP1) interacts with the meiotic recombinase DMC1 through a conserved motif. PMID: 21903585
  • RAD51AP1 foci colocalize with a subset of DMC1 foci in spermatocytes. PMID: 21307306
  • Although PALB2 alone stimulates D-loop formation, it has a cooperative effect with RAD51AP1, an enhancer of RAD51. PMID: 20871616
  • expression of three (Beclin 1, RbAp48 and Pir51) were increased and one (aldolase b) was decreased in liver tumor tissues PMID: 14966907
  • RAD51AP1 has a selective affinity for branched-DNA structures that are obligatory intermediates during joint molecule formation. PMID: 17996710
  • RAD51AP1 helps maintain genomic integrity via RAD51 recombinase enhancement. PMID: 17996711
  • Enhanced expression of RAD51 associating protein-1 is involved in the growth of intrahepatic cholangiocarcinoma PMID: 18316552
  • 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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