Summary

Name SNCA
Full Name Alpha-synuclein
Synonyms Non-A beta component of AD amyloid, Non-A4 component of amyloid precursor, NACP | NACP, PARK1
Primary ID P37840
Links - -
Type protein
Relations 27
Pathways Neurotransmitters release, Parkinson
Function Neuronal protein that plays several roles in synaptic activity such as regulation of synaptic vesicle trafficking and subsequent neurotransmitter release. Participates as a monomer in synaptic vesicle exocytosis by enhancing vesicle priming, fusion and dilation of exocytotic fusion pores (PubMed:28288128, PubMed:30404828). Mechanistically, acts by increasing local Ca(2+) release from microdomains which is essential for the enhancement of ATP-induced exocytosis (PubMed:30404828). Acts also as a molecular chaperone in its multimeric membrane-bound state, assisting in the folding of synaptic fusion components called SNAREs (Soluble NSF Attachment Protein REceptors) at presynaptic plasma membrane in conjunction with cysteine string protein-alpha/DNAJC5 (PubMed:20798282). This chaperone activity is important to sustain normal SNARE-complex assembly during aging (PubMed:20798282). Plays also a role in the regulation of the dopamine neurotransmission by associating with the dopamine transporter (DAT1) and thereby modulating its activity (PubMed:26442590).

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Modifications Tables

Relations

Regulator Mechanism target score
+ down-regulates activity img/direct_inhibition.png phosphorylation SNCA 0.372
Publications: 1 Organism: Homo Sapiens
+ up-regulates quantity img/direct-activation.png phosphorylation SNCA 0.27
Publications: 1 Organism: Homo Sapiens
Pathways:Neurotransmitters release
+ down-regulates activity img/direct_inhibition.png phosphorylation SNCA 0.624
Publications: 1 Organism: Homo Sapiens
Pathways:Parkinson
+ down-regulates activity img/direct_inhibition.png phosphorylation SNCA 0.319
Publications: 1 Organism: Homo Sapiens
+ down-regulates activity img/direct_inhibition.png phosphorylation SNCA 0.351
Publications: 1 Organism: Homo Sapiens
+ down-regulates activity img/direct_inhibition.png dephosphorylation SNCA 0.333
Publications: 1 Organism: Homo Sapiens
+ down-regulates activity img/direct_inhibition.png phosphorylation SNCA 0.478
Publications: 1 Organism: Homo Sapiens
+ down-regulates activity img/direct_inhibition.png phosphorylation SNCA 0.2
Publications: 1 Organism: Homo Sapiens
+ down-regulates activity img/direct_inhibition.png phosphorylation SNCA 0.513
Publications: 1 Organism: Homo Sapiens
Pathways:Neurotransmitters release
+ down-regulates activity img/direct_inhibition.png dephosphorylation SNCA 0.277
Publications: 1 Organism: Homo Sapiens
+ down-regulates activity img/direct_inhibition.png phosphorylation SNCA 0.635
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png phosphorylation SNCA 0.561
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png phosphorylation SNCA 0.372
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png phosphorylation SNCA 0.513
Publications: 1 Organism: Homo Sapiens
Pathways:Neurotransmitters release
+ img/unknown.png phosphorylation SNCA 0.316
Publications: 1 Organism: Chlorocebus Aethiops
+ down-regulates img/direct_inhibition.png phosphorylation SNCA 0.531
Publications: 3 Organism: Homo Sapiens
Tissue: Ovary, Brain
+ up-regulates quantity img/direct-activation.png phosphorylation SNCA 0.425
Publications: 1 Organism: Homo Sapiens
+ down-regulates quantity by destabilization img/direct_inhibition.png ubiquitination SNCA 0.372
Publications: 1 Organism: Homo Sapiens
+ down-regulates quantity img/indirect_inhibition.png transcriptional regulation CADPS2 0.274
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding SNCA 0.799
Publications: 1 Organism: Homo Sapiens
+ up-regulates quantity img/indirect-activation.png SNCA 0.7
Publications: 1 Organism: Homo Sapiens
Pathways:Parkinson
+ up-regulates img/indirect-activation.png Lewy_body_formation 0.7
Publications: 1 Organism: Homo Sapiens
Pathways:Parkinson
+ up-regulates img/indirect-activation.png ER stress 0.7
Publications: 1 Organism: Homo Sapiens
Pathways:Parkinson
+ down-regulates quantity img/direct_inhibition.png binding VAMP2 0.401
Publications: 1 Organism: Homo Sapiens
Pathways:Neurotransmitters release
+ down-regulates quantity by destabilization img/direct_inhibition.png ubiquitination SNCA 0.2
Publications: 1 Organism: Homo Sapiens
Pathways:Parkinson