Neurexin I

mammalian protein found in Mus musculus

Protein protein Q21494945

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Neurexin I

Summary

Neurexin I is a protein^[1].

Key Facts

Neurexin I's instance of is recorded as protein^[2].
Neurexin I's UniProt protein ID is recorded as P0DI97^[3].
Neurexin I's part of is recorded as Concanavalin A-like lectin/glucanase domain superfamily^[4].
Neurexin I's part of is recorded as neurexin family^[5].
Neurexin I's part of is recorded as membrane protein^[6].
Neurexin I's part of is recorded as Laminin G domain, protein family^[7].
Neurexin I's part of is recorded as Neurexin/syndecan/glycophorin C, protein family^[8].
Neurexin I's part of is recorded as Syndecan/Neurexin domain, protein family^[9].
Neurexin I's has part is recorded as Neurexin/syndecan/glycophorin C^[10].
Neurexin I's has part is recorded as Syndecan/Neurexin domain^[11].
Neurexin I's has part is recorded as Laminin G domain^[12].
Neurexin I's RefSeq protein ID is recorded as NP_001333886^[13].
Neurexin I's RefSeq protein ID is recorded as NP_001333887^[14].
Neurexin I's RefSeq protein ID is recorded as NP_001333888^[15].
Neurexin I's RefSeq protein ID is recorded as NP_001333889^[16].
Neurexin I's RefSeq protein ID is recorded as NP_001333890^[17].
Neurexin I's RefSeq protein ID is recorded as NP_001333891^[18].
Neurexin I's RefSeq protein ID is recorded as NP_001334348^[19].
Neurexin I's RefSeq protein ID is recorded as NP_064648^[20].
Neurexin I's RefSeq protein ID is recorded as NP_796258^[21].
Neurexin I's RefSeq protein ID is recorded as XP_006523874^[22].
Neurexin I's RefSeq protein ID is recorded as XP_006523875^[23].
Neurexin I's RefSeq protein ID is recorded as XP_006523878^[24].
Neurexin I's RefSeq protein ID is recorded as XP_006523879^[25].
Neurexin I's RefSeq protein ID is recorded as XP_011244620^[26].

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Quick Facts

Instance of protein

Part of Concanavalin A-like lectin/glucanase domain superfamily, neurexin family, membrane protein, Laminin G domain, protein family, Neurexin/syndecan/glycophorin C, protein family, Syndecan/Neurexin domain, protein family

Properties

Biological process NMDA glutamate receptor clustering, angiogenesis, vesicle docking involved in exocytosis, vocal learning, gephyrin clustering involved in postsynaptic density assembly, chemical synaptic transmission, neuron maturation, regulation of insulin secretion involved in cellular response to glucose stimulus, positive regulation of synaptic transmission, glutamatergic, cerebellar granule cell differentiation, neuroligin clustering involved in postsynaptic membrane assembly, calcium-dependent cell-cell adhesion via plasma membrane cell adhesion molecules, positive regulation of synapse assembly, negative regulation of filopodium assembly, neuron cell-cell adhesion, receptor localization to synapse, postsynaptic density protein 95 clustering, protein localization to synapse, regulation of NMDA receptor activity, regulation of AMPA receptor activity, presynaptic membrane assembly, protein-containing complex assembly involved in synapse maturation, gamma-aminobutyric acid receptor clustering, synaptic vesicle clustering, synapse assembly, social behavior, filopodium assembly, vocalization behavior, establishment of protein localization, positive regulation of excitatory postsynaptic potential, positive regulation of synapse maturation, learning, postsynaptic membrane assembly, guanylate kinase-associated protein clustering, cell adhesion, adult behavior, neurotransmitter secretion, heterophilic cell-cell adhesion via plasma membrane cell adhesion molecules, positive regulation of protein localization to plasma membrane, positive regulation of gene expression, negative regulation of gene expression, positive regulation of protein kinase A signaling, neuron projection development, positive regulation of peptidyl-serine phosphorylation, positive regulation of fibroblast growth factor receptor signaling pathway, positive regulation of protein kinase B signaling, positive regulation of ERK1 and ERK2 cascade, positive regulation of protein kinase C activity, signal transduction, protein heterotetramerization, cellular response to calcium ion

Cell component axonal growth cone, nuclear membrane, synapse, integral component of membrane, cell junction, membrane, soma, inhibitory synapse, endoplasmic reticulum, excitatory synapse, vesicle, cell surface, plasma membrane, presynaptic membrane, nucleolus, protein-containing complex, endocytic vesicle, slit diaphragm

Encoded by Nrxn1

Found in taxon house mouse

Has part(s) Neurexin/syndecan/glycophorin C, Syndecan/Neurexin domain, Laminin G domain

Imported from wholeness_audit_2026-05-02

Molecular function metal ion binding, acetylcholine receptor binding, calcium-dependent protein binding, calcium channel regulator activity, protein binding, type 1 fibroblast growth factor receptor binding, transmembrane signaling receptor activity, signaling receptor binding, calcium ion binding, cell adhesion molecule binding, neuroligin family protein binding

External References (3)

Ensembl protein id ENSMUSP00000133724, ENSMUSP00000133389, ENSMUSP00000134402, ENSMUSP00000124116, ENSMUSP00000072458, ENSMUSP00000133491, ENSMUSP00000125407, ENSMUSP00000125561, ENSMUSP00000142815, ENSMUSP00000142891, ENSMUSP00000142650, ENSMUSP00000124561, ENSMUSP00000135241, ENSMUSP00000057294, ENSMUSP00000142621, ENSMUSP00000146701

Refseq protein id NP_001333886, NP_001333887, NP_001333888, NP_001333889, NP_001333890, NP_001333891, NP_001334348, NP_064648, NP_796258, XP_006523874, XP_006523875, XP_006523878, XP_006523879, XP_011244620, XP_017172783, XP_017172785, XP_017172786, XP_017172789, XP_017172790, XP_017172792, XP_017172793, XP_017172795, XP_017172796, XP_017172797, XP_017172798, XP_017172799, XP_030105418, XP_030105419, XP_030105421, XP_030105422, XP_036016260, XP_036016261, XP_036016262, XP_036016263, XP_036016264, XP_036016265, XP_036016266, XP_036016267, XP_036016268, XP_036016269, XP_036016270, XP_036016271, XP_036016272, XP_036016273, XP_036016274, XP_036016275, XP_036016276, XP_036016277, XP_036016278, XP_036016279, XP_036016280, XP_036016281, XP_036016282, XP_036016283, XP_036016284, XP_036016285, XP_036016286, NP_001390248, NP_001390249, NP_001390250, NP_001390251, NP_001390252, NP_001390253, NP_001390254, NP_001390255, NP_001390256, NP_001390257, NP_001390258, NP_001390259, NP_001390260, NP_001390261

Uniprot protein id P0DI97

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

[2] ↑ Neurexin I — instance of (P31): protein. Q905695. Retrieved 2022-05-25. wikidata.org.
[3] ↑ Neurexin I — UniProt protein ID (P352): P0DI97. Q905695. Retrieved 2022-05-25. wikidata.org.
[4] ↑ Neurexin I — part of (P361): Concanavalin A-like lectin/glucanase domain superfamily. InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
[5] ↑ Neurexin I — part of (P361): neurexin family. InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
[6] ↑ Neurexin I — part of (P361): membrane protein. wikidata.org.
[7] ↑ Neurexin I — part of (P361): Laminin G domain, protein family. wikidata.org.
[8] ↑ Neurexin I — part of (P361): Neurexin/syndecan/glycophorin C, protein family. wikidata.org.
[9] ↑ Neurexin I — part of (P361): Syndecan/Neurexin domain, protein family. wikidata.org.
[10] ↑ Neurexin I — has part(s) (P527): Neurexin/syndecan/glycophorin C. InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
[11] ↑ Neurexin I — has part(s) (P527): Syndecan/Neurexin domain. InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
[12] ↑ Neurexin I — has part(s) (P527): Laminin G domain. InterPro Release 71.0. ebi.ac.uk. Provenance: wikidata.org.
[13] ↑ Neurexin I — RefSeq protein ID (P637): NP_001333886. Q20641742. Retrieved 2022-03-20. wikidata.org.
[14] ↑ Neurexin I — RefSeq protein ID (P637): NP_001333887. Q20641742. Retrieved 2022-03-20. wikidata.org.
[15] ↑ Neurexin I — RefSeq protein ID (P637): NP_001333888. Q20641742. Retrieved 2022-03-20. wikidata.org.
[16] ↑ Neurexin I — RefSeq protein ID (P637): NP_001333889. Q20641742. Retrieved 2022-03-20. wikidata.org.
[17] ↑ Neurexin I — RefSeq protein ID (P637): NP_001333890. Q20641742. Retrieved 2022-03-20. wikidata.org.
[18] ↑ Neurexin I — RefSeq protein ID (P637): NP_001333891. Q20641742. Retrieved 2022-03-20. wikidata.org.
[19] ↑ Neurexin I — RefSeq protein ID (P637): NP_001334348. Q20641742. Retrieved 2022-03-20. wikidata.org.
[20] ↑ Neurexin I — RefSeq protein ID (P637): NP_064648. Q20641742. Retrieved 2022-03-20. wikidata.org.
[21] ↑ Neurexin I — RefSeq protein ID (P637): NP_796258. Q20641742. Retrieved 2022-03-20. wikidata.org.
[22] ↑ Neurexin I — RefSeq protein ID (P637): XP_006523874. Q20641742. Retrieved 2022-03-20. wikidata.org.
[23] ↑ Neurexin I — RefSeq protein ID (P637): XP_006523875. Q20641742. Retrieved 2022-03-20. wikidata.org.
[24] ↑ Neurexin I — RefSeq protein ID (P637): XP_006523878. Q20641742. Retrieved 2022-03-20. wikidata.org.
[25] ↑ Neurexin I — RefSeq protein ID (P637): XP_006523879. Q20641742. Retrieved 2022-03-20. wikidata.org.
[26] ↑ Neurexin I — RefSeq protein ID (P637): XP_011244620. Q20641742. Retrieved 2022-03-20. wikidata.org.

Class ancestry

[1] ↑ Neurexin I is an instance of protein (Q8054) [P31, primary]. Wikidata. wikidata.org.

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Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Neurexin I. Retrieved May 3, 2026, from https://4ort.xyz/entity/neurexin-i

MLA “Neurexin I.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/neurexin-i.

BibTeX

@misc{4ortxyz_neurexin-i_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Neurexin I}}, year = {2026}, url = {https://4ort.xyz/entity/neurexin-i}, note = {Accessed: 2026-05-03}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Neurexin I — https://4ort.xyz/entity/neurexin-i (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/neurexin-i · Last refreshed: May 3, 2026