Purity
Greater than 90% as determined by SDS-PAGE.
Alternative Names
Complement C3d receptor
CD_antigen: CD21
Species
Mus musculus (Mouse)
Expression Region
729-963aa
Target Protein Sequence
LYGNEVSYECDEGFYLLGEKSLQCVNDSKGHGSWSGPPPQCLQSSPLTHCPDPEVKHGYKLNKTHSAFSHNDIVHFVCNQGFIMNGSHLIRCHTNNTWLPGVPTCIRKASLGCQSPSTIPNGNHTGGSIARFPPGMSVMYSCYQGFLMAGEARLICTHEGTWSQPPPFCKEVNCSFPEDTNGIQKGFQPGKTYRFGATVTLECEDGYTLEGSPQSQCQDDSQWNPPLALCKYRRW
Note: The complete
sequence may include tag sequence, target protein sequence, linker sequence and extra sequence that is
translated with the protein sequence for the purpose(s) of secretion, stability, solubility, etc.
If the exact amino acid sequence of this recombinant protein is critical to your application,
please explicitly request the full and complete sequence of this protein before ordering.
Tag Info
N-terminal 6xHis-tagged
The tag type will be determined during production process. If you have specified tag type, please tell us and we will develop the specified tag preferentially.
Reconstitution
We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20°C/-80°C. Our default final concentration of glycerol is 50%. Customers could use it as reference.
Storage
The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself.
Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.
Shelf Life
The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself.
Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.
Lead Time
Delivery time may differ from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
Note: All of our proteins are default shipped with normal blue ice packs, if you request to ship with dry ice, please communicate with us in advance and extra fees will be charged.
Notes
Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
Datasheet & COA
Please contact us to get it.
Description
The first step of making this recombinant Mouse Cr2 protein is synthesizing the Cr2 gene, the synthesized gene is then cloned into an expression vector which is a cDNA plasmid that includes a promoter sequence and an antibiotic-resistant gene. It also has N-terminal 6xHis tag encoding a fusion tag for downstream protein purification or identification. The antibiotic-resistant gene enables the selection of cells carrying the plasmid in antibiotic-based media and then transfects cells with a DNA vector that contains the template and then culturing the cells so that they transcribe and translate the desired protein. The recombinant Cr2 protein is purified by ion-exchange chromatography or affinity purification. And the purity is 90%+ by SDS-PAGE.
CR2 is a protein coding gene that encodes complement receptor type 2. According to some studies, CR2 may have the following features.
CR2 binds directly to CD19 and becomes a ligand-binding subunit of a B-cell pre-existing signal transduction complex, which may be a representative of a family of membrane protein complexes. Binding of complement receptor type 2 (CR2) to the Epstein-Barr virus glycoprotein gp350 is critical for viral attachment to B lymphocytes. Regardless of the specificity of the B cell receptor, CR2 may have a role in antigen presentation by B cells. The octapeptide is part of a structural determinant critical for both viral and natural ligand binding to CR2.
