Weight | 1 lbs |
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Dimensions | 9 × 5 × 2 in |
accession | Q149L7 |
express system | HEK293 |
product tag | C-His |
purity | > 95% as determined by Tris-Bis PAGE |
background | Class-I Restricted T Cell-Associated Molecule (CRTAM) is a protein that is expressed after T cell activation. The interaction of CRTAM with its ligand, nectin-like 2 (Necl2), is required for the efficient production of IL-17, IL-22, and IFNγ by murine CD4 T cells, and it plays a role in optimal CD8 T and NK cell cytotoxicity. CRTAM promotes the pro-inflammatory cytokine profile; therefore, it may take part in the immunopathology of autoimmune diseases such as diabetes type 1 or colitis. |
molecular weight | The protein has a predicted MW of 31.1 kDa. Due to glycosylation, the protein migrates to 60-70 kDa based on Tris-Bis PAGE result. |
available size | 100 µg, 500 µg |
endotoxin | Less than 1EU per μg by the LAL method. |
Mouse CRTAM Protein 3817
$240.00 – $800.00
Summary
- Expression: HEK293
- Pure: Yes (SDS-PAGE)
- Amino Acid Range: Ala17-Gly289
Mouse CRTAM Protein 3817
protein |
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Size and concentration 100, 500µg and lyophilized |
Form Lyophilized |
Storage Instructions Valid for 12 months from date of receipt when stored at -80°C. Recommend to aliquot the protein into smaller quantities for optimal storage. Please minimize freeze-thaw cycles. |
Storage buffer Shipped at ambient temperature. |
Purity > 95% as determined by Tris-Bis PAGE |
target relevance |
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Class-I Restricted T Cell-Associated Molecule (CRTAM) is a protein that is expressed after T cell activation. The interaction of CRTAM with its ligand, nectin-like 2 (Necl2), is required for the efficient production of IL-17, IL-22, and IFNγ by murine CD4 T cells, and it plays a role in optimal CD8 T and NK cell cytotoxicity. CRTAM promotes the pro-inflammatory cytokine profile; therefore, it may take part in the immunopathology of autoimmune diseases such as diabetes type 1 or colitis. |
Protein names Cytotoxic and regulatory T-cell molecule (Class-I MHC-restricted T-cell-associated molecule) (CD antigen CD355) |
Gene names Crtam,Crtam |
Protein family Nectin family |
Mass 10090Da |
Function Mediates heterophilic cell-cell adhesion which regulates the activation, differentiation and tissue retention of various T-cell subsets (PubMed:15811952, PubMed:18329370, PubMed:19752223, PubMed:24687959). Interaction with CADM1 promotes natural killer (NK) cell cytotoxicity and IFNG/interferon-gamma secretion by CD8+ T-cells in vitro as well as NK cell-mediated rejection of tumors expressing CADM1 in vivo (PubMed:15811952). Regulates CD8+ T-cell proliferation in response to T-cell receptor (TCR) activation (PubMed:18329370). Appears to be dispensable for CD8+ T-cell-mediated cytotoxicity (PubMed:19752223). Interaction with SCRIB promotes the late phase of cellular polarization of a subset of CD4+ T-cells, which in turn regulates TCR-mediated proliferation and IFNG, IL17 and IL22 production (PubMed:18329370). By interacting with CADM1 on CD8+ dendritic cells, regulates the retention of activated CD8+ T-cells within the draining lymph node (PubMed:19752223). Required for the intestinal retention of intraepithelial CD4+ CD8+ T-cells and, to a lesser extent, intraepithelial and lamina propria CD8+ T-cells and CD4+ T-cells (PubMed:24687959). Interaction with CADM1 promotes the adhesion to gut-associated CD103+ dendritic cells, which may facilitate the expression of gut-homing and adhesion molecules on T-cells and the conversion of CD4+ T-cells into CD4+ CD8+ T-cells (PubMed:24687959). |
Catalytic activity #N/A |
Subellular location Cell membrane ; Single-pass type I membrane protein. Note=In a subset of CD4+ T-cells, colocalizes with SCRIB at the immunological synapse during the late phase of T-cell activation. |
Tissues In the immune system, expression is restricted to activated class-I MHC-restricted cells, including NKT, NK and CD8+ T-cells (at protein level) (PubMed:10811014, PubMed:15811952, PubMed:18329370, PubMed:19752223). Transiently expressed in activated CD8+ T-cells and a subset of activated CD4+ T-cells (at protein level) (PubMed:18329370). Expressed in activated intestinal T-cells, specifically intraepithelial CD4+ CD8+ T-cells, intraepithelial CD4+ T-cells and, CD8+ T-cells in the intestine epithelium, lamina propria, Peyer's Patches and mesenteric lymph nodes (PubMed:24687959). Also expressed in spleen, brain and testis (PubMed:10811014). |
Structure Monomer (By similarity). May form homodimer (via Ig-like V-type domain) (By similarity). Interacts (via Ig-like V-type domain) with CADM1 (via Ig-like V-type domain); the interaction competes with CRTAM homodimerization and CADM1 homodimerization (PubMed:15781451, PubMed:15811952). Interacts (via PDZ-binding motif) with SCRIB (via PDZ domain 3); the interaction promotes CRTAM and SCRIB polarization in a subset of CD4+ T-cells (PubMed:18329370). |
Domain Th |
Target Relevance information above includes information from UniProt accession: Q149L7 |
The UniProt Consortium |
Publications
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