NRXN1 Back

neurexin 1

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NCBI Description of NRXN1
Neurexins function in the vertebrate nervous system as cell adhesion molecules and receptors. Two neurexin genes are among the largest known in human (NRXN1 and NRXN3). By using alternate promoters, splice sites and exons, predictions of hundreds or even thousands of distinct mRNAs have been made. Most transcripts use the upstream promoter and encode alpha-neurexin isoforms; fewer transcripts are produced from the downstream promoter and encode beta-neurexin isoforms. Alpha-neurexins contain epidermal growth factor-like (EGF-like) sequences and laminin G domains, and they interact with neurexophilins. Beta-neurexins lack EGF-like sequences and contain fewer laminin G domains than alpha-neurexins. The RefSeq Project has decided to create only a few representative transcript variants of the multitude that are possible.

Community Annotation of NRXN1 Add / Edit NRXN1: Annotations

No community annotations yet for NRXN1.
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Figure notes


• "Mouse over" a mutation to see details.
• Missense green saturation indicates evolutionary conservation of the mutated positions.
• Red hashes in protein strip are splice sites.
• Blue-white-red bars are log2 copy ratio distributions (–1 to +1) from Zack et al. (2013).


Legend

NRXN1 is highly significantly mutated in
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NRXN1 is significantly mutated in
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NRXN1 is near significance in
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Click on a tumor type to see its full list of significant genes.

Data details


• Mutation list for NRXN1