5B9 is a 10-amino acid (aa) non-immunogenic peptide motif derived from La/SS-B which is an autoantigen known in Sjögren's syndrome and systemic lupus erythematosus. The scFv targeting the 5B9 motif has been employed to construct a UniCAR system that splits the antigen-binding domain and the signaling domain of the CAR into two separate parts. The two separate components of the anti-5B9 CAR were (a) a 5B9-binding CAR structure consisting of an anti-5B9 scFv linked by a hinge and transmembrane region to intracellular signal domains and (b) a switch molecule containing a tumor antigen-binding moiety fused to the 5B9 tag.
Creative Biolabs provides customized Anti-5B9 CAR design and construction services. Please contact us for more detailed information.
For research use only. Not intended for any clinical use. No products from Creative Biolabs may be resold, modified for resale or used to manufacture commercial products without prior written approval from Creative Biolabs.
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