V-set and immunoglobulin domain-containing protein 2 (VSIG2), also known as cortical thymocyte-like protein (CT-like protein), is a member of the immunoglobulin superfamily (Igsf) that was originally described in Xenopus and was referred to as cortical thymocyte marker in Xenopus, or CTX. The clone isolated from the human genomic library was called CTH (1). Mature human VSIG2 is a single-pass type I transmembrane protein with a 220 amino acid (aa) extracellular domain (ECD) that contains one C2-type and one V-type immunoglobulin-like domains, and a 63 aa cytoplasmic region linked to the ECD by a short 21 aa transmembrane domain. Human VSIG2 ECD shares 85% and 86% aa sequence identity with mouse and rat VSIG2, respectively. VSIG2 is structurally related to the B7 family of immune regulatory proteins. Our studies at R&D Systems show that VSIG2 inhibits T cell activation, including IL17 and interferon gamma production.

References

Chrétien, I. et al. (1998) Eur. J. Immunol. 28:4094.

Long Name

V-Set and Immunoglobulin Domain Containing 2

Alternate Names

CTH, CTXL

Entrez Gene IDs

23584 (Human); 57276 (Mouse); 300520 (Rat)

Gene Symbol

VSIG2

UniProt

Q961Q7-1

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Product Specific Notices for Human VSIG2 Alexa Fluor™ Plus 680-conjugated Antibody

This product is provided under an intellectual property license from Life Technologies Corporation. The transfer of this product is conditioned on the buyer using the purchased product solely in research conducted by the buyer, excluding contract research or any fee for service research, and the buyer must not (1) use this product or its components for (a) diagnostic, therapeutic or prophylactic purposes; (b) testing, analysis or screening services, or information in return for compensation on a per-test basis; or (c) manufacturing or quality assurance or quality control, and/or (2) sell or transfer this product or its components for resale, whether or not resold for use in research. For information on purchasing a license to this product for purposes other than as described above, contact Life Technologies Corporation, 5781 Van Allen Way, Carlsbad, CA 92008 USA or outlicensing@thermofisher.com.

For research use only

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Human VSIG2 Alexa Fluor™ Plus 680-conjugated Antibody

R&D Systems, part of Bio-Techne | Catalog # FAB51771AFP680

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Background: VSIG2