ST7 (Suppressor of Tumorigenicity 7), also known as RAY1, TSG7 and FAM4A1, is a type I transmembrane protein belonging to the LDLR superfamily and is designated LRP12 (1-3). The human ST7 cDNA encodes 859 amino acids (aa) including a 32 aa signal sequence, a 460 aa extracellular domain (ECD) containing two CUB domains and five LDLR class A domains, a 21 aa transmembrane domain, and a 346 aa cytoplasmic domain containing motifs implicated in endocytosis and signal transduction (1, 2). Human ST7 shares 95% aa sequence homology with mouse and rat, 96% with canine, and 98% with bovine, equine and porcine ST7 within the ECD. Genomic sequencing indicates the possibility of up to 18 splicing isoforms, but expression of these has not been well-studied (3). ST7 is widely expressed in normal tissues, especially fibroblasts (1, 4). Highest mRNA levels were detected in heart and skeletal muscle (1). ST7 was originally proposed to be a tumor suppressor protein, but it is not consistently down‑regulated in a variety of cancers, either by mutation or loss of heterozygosity (1, 4-7). In certain cancers, expression may even be up‑regulated (8). Expression may be associated with down‑regulated expression of extracellular matrix molecules that are involved in remodeling, such as SPARC, IGFBP5 and several matrix metalloproteinases, and modulation of in vivo tumorigenicity (4, 5).
Human ST7/LRP12 Alexa Fluor® 750‑conjugated Antibody
R&D Systems | Catalog # AF2560S
Key Product Details
Species Reactivity
Applications
Label
Antibody Source
Product Specifications
Immunogen
Asn28-Ile488
Accession # Q9Y561
Specificity
Clonality
Host
Isotype
Applications for Human ST7/LRP12 Alexa Fluor® 750‑conjugated Antibody
Western Blot
Formulation, Preparation, and Storage
Purification
Formulation
Shipping
Stability & Storage
Background: ST7/LRP12
Long Name
Alternate Names
Gene Symbol
UniProt
Additional ST7/LRP12 Products
Product Documents for Human ST7/LRP12 Alexa Fluor® 750‑conjugated Antibody
Product Specific Notices for Human ST7/LRP12 Alexa Fluor® 750‑conjugated Antibody
This product is provided under an agreement between Life Technologies Corporation and R&D Systems, Inc, and the manufacture, use, sale or import of this product is subject to one or more US patents and corresponding non-US equivalents, owned by Life Technologies Corporation and its affiliates. The purchase of this product conveys to the buyer the non-transferable right to use the purchased amount of the product and components of the product only in research conducted by the buyer (whether the buyer is an academic or for-profit entity). The sale of this product is expressly conditioned on the buyer not using the product or its components (1) in manufacturing; (2) to provide a service, information, or data to an unaffiliated third party for payment; (3) for therapeutic, diagnostic or prophylactic purposes; (4) to resell, sell, or otherwise transfer this product or its components to any third party, or for any other commercial purpose. Life Technologies Corporation will not assert a claim against the buyer of the infringement of the above patents based on the manufacture, use or sale of a commercial product developed in research by the buyer in which this product or its components was employed, provided that neither this product nor any of its components was used in the manufacture of such product. For information on purchasing a license to this product for purposes other than research, contact Life Technologies Corporation, Cell Analysis Business Unit, Business Development, 29851 Willow Creek Road, Eugene, OR 97402, Tel: (541) 465-8300. Fax: (541) 335-0354.
For research use only
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