Recombinant Human Neuroligin 4Y/NLGN4Y Protein, CF Summary
Gln42-Val677, with a C-terminal 6-His tag
CF stands for Carrier Free (CF). We typically add Bovine Serum Albumin (BSA) as a carrier protein to our recombinant proteins. Adding a carrier protein enhances protein stability, increases shelf-life, and allows the recombinant protein to be stored at a more dilute concentration. The carrier free version does not contain BSA.
In general, we advise purchasing the recombinant protein with BSA for use in cell or tissue culture, or as an ELISA standard. In contrast, the carrier free protein is recommended for applications, in which the presence of BSA could interfere.
|Formulation||Lyophilized from a 0.2 μm filtered solution in PBS.|
|Reconstitution||Reconstitute at 500 μg/mL in PBS.|
|Shipping||The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.|
|Stability & Storage:||Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
Recombinant Human Neuroligin 4Y/NLGN4Y (Catalog # 9119-NL) Enhances Neurite Outgrowth in E13 Chick Embryonic Dorsal Root Ganglia (DRG) Neurons. A) Untreated E13 DRG neurons show minimal neurite outgrowth. B) Recombinant Human Neuroligin 4Y/NLGN4Y, immobilized at 10 µg/mL, enhances DRG neuron neurite outgrowth.
Background: Neuroligin 4Y/NLGN4Y
Neuroligin 4 (NLGN4, NL4 or NL4X) is a type I transmembrane molecule in the type-B carboxyesterase/lipase family of proteins. Neuroligins are postsynaptically expressed on neurons and initiate excitatory presynapse maturation through binding to select isoforms of b-neurexin (1). Human NLGN4 maps to the X-chromosome and shares 98% aa identity with the Y-chromosome-encoded NLGN4Y (2). Mature human NLGN4Y consists of a 633 aa extracellular domain (ECD), a 21 aa transmembrane domain and a 119 aa cytoplasmic tail. It is expressed in the frontal cortex, temporal cortex, occipital cortex, hippocampus, cerebellum, and spinal cord (3, 4). The ECD possesses a nonfunctional esterase homology domain through which neuroligins, except for NLGN2, interact with neurexins (5). Alternative splicing of NLGN4Y generates additional isoforms with variable N-terminal deletions and/or insertions and truncations within the ECD. NLGNs 3, 4, and 4Y bind to the intracellular adaptor protein Syntrophin-g2 (6). Mutations of NLGN4 but not NLGN4Y are associated with rare cases of autism and Asperger or Tourette syndromes (4, 7-12).
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- Talebizadeh, Z. et al. (2006) J. Med. Genet. 43:e21.
- Lawson-Yuen, A. et al. (2008) Eur. J. Hum. Genet. 16:614.
- Jamain, S. et al. (2008) Proc. Natl. Acad. Sci. USA 105:1710.
- Yan, J. et al. (2008) Psychiatr. Genet. 18:204.
- Serajee, F.J. and A.H. Mahbubul Huq (2009) J. Child Neurol. 24:1258.
- Ylisaukko-oja, T. et al. (2005) Eur. J. Hum. Genetics 13:1285.
Citation for Recombinant Human Neuroligin 4Y/NLGN4Y Protein, CF
R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.
1 Citation: Showing 1 - 1
Targeting neuronal activity-regulated neuroligin-3 dependency in high-grade glioma
Authors: HS Venkatesh, LT Tam, PJ Woo, J Lennon, S Nagaraja, SM Gillespie, J Ni, DY Duveau, PJ Morris, JJ Zhao, CJ Thomas, M Monje
Sample Types: Whole Cells
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