Human/Mouse LRRC4 Alexa Fluor® 532-conjugated Antibody
R&D Systems, part of Bio-Techne | Catalog # FAB4995X
Conjugate
Catalog #
Key Product Details
Species Reactivity
Human, Mouse
Applications
Western Blot
Label
Alexa Fluor 532 (Excitation = 534 nm, Emission = 553 nm)
Antibody Source
Monoclonal Mouse IgG2B Clone # 701424
Product Specifications
Immunogen
Chinese hamster ovary cell line CHO-derived recombinant human LRRC4
Ala39-Lys527
Accession # Q9HBW1
Ala39-Lys527
Accession # Q9HBW1
Specificity
Detects human and mouse LRRC4 in direct ELISAs and Western blots. In direct ELISAs and Western blots, no cross-reactivity with recombinant human (rh) LRRC3, rhLRRC4B, or rhLRRC32 is observed.
Clonality
Monoclonal
Host
Mouse
Isotype
IgG2B
Applications for Human/Mouse LRRC4 Alexa Fluor® 532-conjugated Antibody
Application
Recommended Usage
Western Blot
Optimal dilution of this antibody should be experimentally determined.
Formulation, Preparation, and Storage
Purification
Protein A or G purified
Formulation
Supplied 0.2mg/ml in 1X PBS with RDF1 and 0.09% Sodium Azide
Shipping
The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage
Protect from light. Do not freeze. 12 months from date of receipt, 2 to 8 °C as supplied
Background: LRRC4
LRRC4 (Leucine rich repeat/LRR-containing protein 4), also called NGL-2 (netrin-G ligand-2) or NAG14 (nasopharyngeal carcinoma-associated gene 14) is a 55 kDa (predicted, unglycosylated) type I transmembrane protein that is a member of the NGL family of synaptic LRR adhesion molecules (1, 2). Human LRRC4 cDNA encodes 653 amino acids (aa) that include a 38 aa signal sequence, a 489 aa extracellular domain (ECD), a 21 aa transmembrane domain, and a 105 aa cytoplasmic domain. The ECD contains nine LRRs (aa 74‑288), a C2 type Ig like domain (aa 354‑440), and a Thr-rich segment (aa 455‑526). Within the ECD, human LRRC4 shares 98% aa identity with mouse and rat, 99% aa identity with canine and bovine, and 99.6% aa identity with equine LRRC4. It also shares 54‑55% aa identity with family members LRRC4C/NGL-1 and LRRC4B/NGL-3, but each recognizes different ligands (1). LRRC4 is predominantly expressed in the brain on neurons and astrocytes as a ligand for netrin-G2 on the dendritic surface of synaptic neurons (2-4). It is proposed to regulate the formation of excitatory synapses via recruitment of PSD-95 to the cytoplasmic domain after aggregation of LRRC4 at the surface (3, 5). It suppresses proliferation by downregulating cell signaling pathways, resulting in altered expression of cell cycle regulating proteins and delay at the late G1 phase (1, 2, 6-8). It is thus considered a tumor suppressor protein and is often downregulated in brain tumors, particularly gliomas (1, 2, 6). Forced expression of LRRC4 in tumor cells slows proliferation and promotes differentiation (1, 4, 9). Addition of soluable LRRC4 to cultured neurons reduces excitatory synapse formation (3).
Long Name
Leucine-rich Repeat Containing 4
Alternate Names
BAG, NAG14
Gene Symbol
LRRC4
UniProt
Additional LRRC4 Products
Product Specific Notices for Human/Mouse LRRC4 Alexa Fluor® 532-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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