Human SALM4/LRFN3 Antibody

  
  • Species Reactivity
    Human
  • Specificity
    Detects human SALM4/LRFN3 in direct ELISAs and Western blots. In direct ELISAs, less than 1% cross‑reactivity with recombinant human SALM3 is observed.
  • Source
    Polyclonal Goat IgG
  • Purification
    Antigen Affinity-purified
  • Immunogen
    Mouse myeloma cell line NS0-derived recombinant human SALM4/LRFN3
    Ser17-Met539
    Accession # Q9BTN0
  • Formulation
    Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied as a 0.2 µm filtered solution in PBS.
  • Label
    Unconjugated
Applications
  •  
    Recommended
    Concentration
    Sample
  • Western Blot
    1 µg/mL
    See below
Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.
Data Examples
Detection of Human SALM4/LRFN3 by Western Blot. Western blot shows lysates of HeLa human cervical epithelial carcinoma cell line. PVDF membrane was probed with 1 µg/mL of Goat Anti-Human SALM4/LRFN3 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF5349) followed by HRP-conjugated Anti-Goat IgG Secondary Antibody (Catalog # HAF019). A specific band was detected for SALM4/LRFN3 at approximately 90 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 8.
Preparation and Storage
  • Reconstitution
    Reconstitute at 0.2 mg/mL in sterile PBS.
  • Shipping
    The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
  • Stability & Storage
    Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
    • 12 months from date of receipt, -20 to -70 °C as supplied.
    • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
    • 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Background: SALM4/LRFN3
Synaptic adhesion-like molecule 4 (SALM4; also leucine-rich repeat and fibronectin type-III domain-containing protein 3 (Lrfn3) is an approximately 90 kDa member of the Lrfn family of type I transmembrane glycoproteins (1). Human SALM4 is synthesized as a 628 amino acid (aa) precursor that contains a 16 aa signal sequence, a 523 aa extracellular domain (ECD), a 21 aa transmembrane region, and a 68 aa cytoplasmic region. The ECD consists of six leucine-rich repeats (LRR), an IgC2-like domain, and a fibronectin type-III domain, tandemly aligned in that order (1, 2). In addition, there are five potential sites for N-linked glycosylation. SALM4 and -5 lack a C-terminal intracellular PDZ binding domain, which is conserved among SALMs 1‑3. Mature human SALM4 shares 96% aa sequence identity with mature mouse SALM4. Northern blot analysis showed that in mice, SALM4 is strongly expressed in the adult brain and is also present in the adult gastrointestinal tract and kidneys (1). It is distributed throughout the neuron, including the growth cone (3). In the developing mouse embryo, a temporal expression profile blot revealed a general increment of expression around E10.5, with weak expression detected before E10.5 (1). SALM4, like the other SALMs, promotes neurite outgrowth (3). Specifically, the SALMs modify total outgrowth and neurite branching (3).
  • References:
    1. Morimura, N. et al. (2006) Gene 380:72.
    2. Wang, C.-Y. et al. (2006) J. Neurosci. 26:2174.
    3. Wang, P.Y. et al. (2008) Mol. Cell. Neurosci. 39:83.
  • Long Name:
    Leucine-rich Repeat and Fibronectin Type III Domain Containing Protein 3
  • Entrez Gene IDs:
    79414 (Human); 233067 (Mouse); 308495 (Rat)
  • Alternate Names:
    fibronectin type III, immunoglobulin and leucine rich repeat domains 1; FIGLER1; leucine rich repeat and fibronectin type III domain containing 3; leucine-rich repeat and fibronectin type-III domain-containing protein 3; LRFN3; MGC2656; SALM4; synaptic adhesion-like molecule 4; UNQ5865/PRO34192
Related Research Areas
Isotype Controls
Description Application Cat# Citations Images  

Normal Goat IgG Control

Ctrl AB-108-C 191  
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Secondary Antibodies
Description Application Cat# Citations Images  

Goat IgG HRP-conjugated Antibody

WB, Simple Western HAF109 19  
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Goat IgG HRP-conjugated Antibody

WB HAF017 15  
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Goat IgG (H+L) PE-conjugated Antibody

Flow F0107 4  
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Donkey Anti-Goat IgG NorthernLights™ NL557-conjugated Antibody

Flow, IHC, ICC NL001 9
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Donkey Anti-Goat IgG NorthernLights™ NL493-conjugated Antibody

Flow, IHC, ICC NL003 5
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Goat IgG (H+L) APC-conjugated Antibody

Flow F0108 6  
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Goat IgG Horseradish Peroxidase-conjugated Antibody

WB HAF019 6  
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Donkey Anti-Goat IgG Antibody

WB AF109 6
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Donkey Anti-Goat IgG Biotinylated Antibody

WB BAF109 3
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Goat IgG VisUCyte HRP Polymer

IHC VC004  
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Goat IgG (H+L) Fluorescein-conjugated Antibody

Flow F0109 2  
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Donkey Anti-Goat IgG NorthernLights™ NL637-conjugated Antibody

Flow, IHC, ICC NL002
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Rabbit Anti-Goat IgG (H+L) Affinity Purified PAb, X Absorbed

WB, ELISA R-401-C-ABS
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Chicken Anti-Goat IgG Biotinylated Antibody

WB BAF019
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Rabbit Anti-Goat IgG Biotinylated Antibody

WB BAF017
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Donkey Anti-Goat IgG (H+L) PerCP-conjugated Antibody

Flow F0124
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