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Protein Coding Gene : Nrxn1 neurexin I

Primary Identifier  MGI:1096391 Organism  mouse, laboratory
Chromosome  17 NCBI Gene Number  18189
Mgi Type  protein coding gene
description  FUNCTION: Automated description from the Alliance of Genome Resources (Release 7.1.0)

Enables several functions, including calcium channel regulator activity; calcium-dependent protein binding activity; and signaling receptor binding activity. Involved in several processes, including modulation of chemical synaptic transmission; regulation of synapse assembly; and synapse organization. Acts upstream of or within neurotransmitter secretion; positive regulation of synapse assembly; and positive regulation of synapse maturation. Located in several cellular components, including axonal growth cone; nuclear membrane; and presynaptic membrane. Part of protein complex involved in cell-cell adhesion. Is active in several cellular components, including GABA-ergic synapse; Schaffer collateral - CA1 synapse; and presynaptic active zone membrane. Is expressed in several structures, including adrenal gland; limb; nervous system; oral epithelium; and sensory organ. Used to study autism spectrum disorder and schizophrenia. Human ortholog(s) of this gene implicated in Pitt-Hopkins-like syndrome 2. Orthologous to human NRXN1 (neurexin 1).
PHENOTYPE: Mice homozygous for a knock-out allele exhibit reduced Ca(2+)-dependent binding of alpha-latrotoxin to brain membranes. Isolated synaptosomes display only a small reduction in alpha-latrotoxin -triggered glutamate release in the absence of Ca(2+) but show a major decrease in the presence of Ca(2+). [provided by MGI curators]
  • synonyms:
  • neurexin I beta,
  • RIKEN cDNA A230068P09 gene,
  • mKIAA0578,
  • 9330127H16Rik,
  • A230068P09Rik,
  • neurexin I,
  • RIKEN cDNA 9330127H16 gene,
  • MGI:1915292,
  • RIKEN cDNA 1700062G21 gene,
  • MGI:2442437,
  • Nrxn1,
  • MGI:2444963,
  • alpha-latrotoxin receptor (calcium-dependent),
  • neurexin I alpha,
  • 1700062G21Rik

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