Mouse Cd81 activation kit by CRISPRa

Specifications

Product Data
Format	3 gRNAs (5ug each), 1 scramble ctrl (10ug) and 1 enhancer vector (10ug)
Symbol	Cd81
Locus ID	12520
Kit Components	GA200639G1, Cd81 gRNA vector 1 in pCas-Guide-GFP-CRISPRa GA200639G2, Cd81 gRNA vector 2 in pCas-Guide-GFP-CRISPRa GA200639G3, Cd81 gRNA vector 3 in pCas-Guide-GFP-CRISPRa 1 CRISPRa-Enhancer vector, SKU GE100056 1 CRISPRa scramble vector, SKU GE100077
Reference Data
RefSeq	NM_133655
Synonyms	Tapa-1; Tapa1; Tspan28
Summary	Structural component of specialized membrane microdomains known as tetraspanin-enriched microdomains (TERMs), which act as platforms for receptor clustering and signaling. Essential for trafficking and compartmentalization of CD19 receptor on the cell surface of activated B cells (PubMed:23499492). Upon initial encounter with a microbial pathogen, enables the assembly of CD19-CR2 and B cell receptor complexes at signaling TERMs, lowering the threshold dose of antigen required to trigger B cell clonal expansion and humoral immune response (By similarity). In T cells, associates with CD4 or CD8 coreceptors and defines the maturation state of antigen-induced synapses with B cells (By similarity). Facilitates localization of CD3 in these immune synapses, required for costimulation and sustained activation of T cells, preferentially triggering T helper type 2 immune response (PubMed:11046035). Can act both as positive and negative regulator of homotypic or heterotypic cell-cell fusion processes. In myoblasts, associates with another tetraspanin CD9 in complex with PTGFRN and inhibits myotube fusion during muscle regeneration (PubMed:23575678). In macrophages, associates with CD9 and beta-1 and beta-2 integrins, and prevents macrophage fusion into multinucleated giant cells specialized in ingesting complement-opsonized large particles. Also prevents the fusion between mononuclear cell progenitors into osteoclasts in charge of bone resorption. Positively regulates sperm-egg fusion and may be involved in the acrosome reaction (PubMed:16380109, PubMed:17290409). Regulates protein trafficking in intracellular compartments. In T cells, associates with dNTPase SAMHD1 and defines its subcellular location, enabling its degradation by the proteasome and thereby controlling intracellular dNTP levels (By similarity). Also regulates integrin-dependent migration of macrophages, particularly relevant for inflammatory response in the lung (PubMed:18662991).[UniProtKB/Swiss-Prot Function]

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