Active Recombinant Human CD28, Fc-tagged, Biotinylated

• Cat.No.: CD28-566H
• Product Overview: The recombinant human CD28-Fc fusion is expressed as a 362-amino acid protein consisting of Asn19 - Pro152 region of CD28 (UniProt accession #P10747) and a C-terminal Fc fusion from human IgG1, which exists as a dimer under non-reducing condition.

Specification

• Source: Human cells
• Species: Human
• Tag: Fc
• Form: Supplied at 0.5 mg/ml in sterile PBS pH7.4 (carrier and preservative free). The purified recombinant protein was labeled with Biotin (3-5 Biotin per molecule).
• Bio-activity: Binds to human B7 family ligands, CD80/B7-1 and CD86/B7-2 as well as anti-CD28 monoclonal antibody, human IgG1 with high affinity (KD< 1 nm) determined by elisa. inhibit il-2 secretion in stimulated human jurkat t cell cells.>
• Molecular Mass: Calculated molecular mass 40.7 kDa; estimated by SDS-PAGE under reducing condition 55-60 kDa probably due to glycosylation
• AA Sequence: NKILVKQSPMLVAYDNAVNLSCKYS YNLFSREFRASLHKGLDSAVEVCVV YGNYSQQLQVYSKTGFNCDGKLGNE SVTFYLQNLYVNQTDIYFCKIEVMY PPPYLDNEKSNGTIIHVKGKHLCPS PLFPGPSKPSTGTHTCPPCPAPEL LGGPSVFLFPPKPKDTLMISRTPEV TCVVVDVSHEDPEVKFNWYVDGVEV HNAKTKPREEQYNSTYRVVSVLTV LHQDWLNGKEYKCKVSNKALPAPIE KTISKAKGQPREPQVYTLPPSREEM TKNQVSLTCLVKGFYPSDIAVEWE SNGQPENNYKTTPPVLDSDGSFFLY SKLTVDKSRWQQGNVFSCSVMHEAL HNHYTQKSLSLSPGK
• Endotoxin: <0.1 eu per 1 μg of purified recombinant protein determined by the
• Purity: >95% judged by SDS-PAGE under reducing condition
• Storage: The product is shipped at 4°C. Upon receipt, centrifuge the product briefly before opening the vial. It is recommended to store small aliquots at the temperature below –20°C for long-term storage and the product is stable for 3 months. The undiluted protein can be stored at 4°C for no more than 2 weeks. Avoid repeated freeze-thaw cycles.
• Protein length: Asn19-Pro152

Gene Information

• Gene Name: CD28 CD28 molecule [ Homo sapiens ]
• Official Symbol: CD28
• Synonyms: CD28; CD28 molecule; CD28 antigen (Tp44); T-cell-specific surface glycoprotein CD28; T cell specific surface glycoprotein; CD28 antigen; Tp44; MGC138290
• Gene ID: 940
• mRNA Refseq: NM_001243077
• Protein Refseq: NP_001230006
• MIM: 186760
• UniProt ID: P10747
• Chromosome Location: 2q33
• Pathway: Adaptive Immune System, organism-specific biosystem; Allograft rejection, organism-specific biosystem; Allograft rejection, conserved biosystem; Autoimmune thyroid disease, organism-specific biosystem; Autoimmune thyroid disease, conserved biosystem; CD28 co-stimulation, organism-specific biosystem; CD28 dependent PI3K/Akt signaling, organism-specific biosystem
• Function: SH3/SH2 adaptor activity; coreceptor activity; identical protein binding; protease binding; protein binding; protein homodimerization activity

Reviews

08/24/2021

Its unique characteristics contribute to obtaining clear and detailed structural information, enabling researchers to unravel the intricate complexities of protein interactions and conformational changes.

08/24/2021

Researchers can confidently rely on its capabilities to generate precise and significant results, enhancing the understanding of protein function and dynamics.

08/06/2021

the CD28 protein's outstanding performance in ELISA and its utility in protein electron microscopy structure analysis make it a highly recommended tool for researchers.

Q&As

Can CD28 protein be used for personalized medicine?

CD28 protein expression and function may be relevant for personalized treatment strategies in autoimmune diseases and cancer.

What are the potential clinical applications of targeting CD28 protein?

Targeting CD28 protein may have therapeutic potential in treating autoimmune diseases, cancer immunotherapy, and organ transplantation.

How does CD28 protein impact regulatory T cells (Tregs)?

CD28 signaling is important for the function and maintenance of regulatory T cells, which play a role in immune tolerance and suppression of autoimmunity.

How does CD28 protein impact cancer immunotherapy?

CD28 protein is involved in enhancing the anti-tumor immune response, making it a potential target for cancer immunotherapy.

Are there any approved therapies targeting CD28 protein?

Currently, there are no FDA-approved therapies specifically targeting CD28 protein, but research is ongoing in this area.