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Gene: SYN1 (synapsin I) Homo sapiens
Symbol: SYN1
Name: synapsin I
Description: This gene is a member of the synapsin gene family. Synapsins encode neuronal phosphoproteins which associate with the cytoplasmic surface of synaptic vesicles. Family members are characterized by common protein domains, and they are implicated in synaptogenesis and the modulation of neurotransmitter release, suggesting a potential role in several neuropsychiatric diseases. This member of the synapsin family plays a role in regulation of axonogenesis and synaptogenesis. The protein encoded serves as a substrate for several different protein kinases and phosphorylation may function in the regulation of this protein in the nerve terminal. Mutations in this gene may be associated with X-linked disorders with primary neuronal degeneration such as Rett syndrome. Alternatively spliced transcript variants encoding different isoforms have been identified. [provided by RefSeq, Jul 2008]
Type: protein-coding
RefSeq Status: REVIEWED
Also known as: brain protein 4.1; mental retardation, X-linked 50; MRX50; SYN1a; SYN1b; synapsin 1; synapsin Ib; synapsin-1; SYNI
Mus musculus (house mouse) : Syn1 (synapsin I)  MGI  Alliance
Rattus norvegicus (Norway rat) : Syn1 (synapsin I)  Alliance
Chinchilla lanigera (long-tailed chinchilla) : Syn1 (synapsin I)
Pan paniscus (bonobo/pygmy chimpanzee) : SYN1 (synapsin I)
Canis lupus familiaris (dog) : SYN1 (synapsin I)
Ictidomys tridecemlineatus (thirteen-lined ground squirrel) : Syn1 (synapsin I)
Sus scrofa (pig) : SYN1 (synapsin I)
more info ...
Allele / Splice: See ClinVar data
Latest Assembly: GRCh38 - Human Genome Assembly GRCh38
Human AssemblyChrPosition (strand)SourceGenome Browsers
GRCh38X47,571,901 - 47,619,857 (-)NCBIGRCh38GRCh38hg38GRCh38
GRCh37X47,431,300 - 47,479,256 (-)NCBIGRCh37GRCh37hg19GRCh37
Build 36X47,316,244 - 47,364,200 (-)NCBINCBI36hg18NCBI36
Build 34X47,188,586 - 47,235,511NCBI
CeleraX51,626,557 - 51,674,518 (-)NCBI
Cytogenetic MapXp11.3-p11.23NCBI
HuRefX45,143,520 - 45,192,091 (-)NCBIHuRef
CHM1_1X47,462,402 - 47,510,356 (-)NCBICHM1_1
JBrowse: View Region in Genome Browser (JBrowse)

Disease Annotations
Gene-Chemical Interaction Annotations
Gene Ontology Annotations
Phenotype Annotations
References - curated
References - uncurated


Comparative Map Data
Position Markers
miRNA Target Status


Nucleotide Sequences
Protein Sequences
Clinical Variants

Additional Information

External Database Links
More on SYN1
Alliance Gene
Ensembl Gene
JBrowse: hg19 hg38
HGNC Report
NCBI Genome Data Viewer

CRRD Object Information
CRRD ID: 731422
Created: 2004-01-12
Species: Homo sapiens
Last Modified: 2019-07-16
Status: ACTIVE


RGD is funded by grant HL64541 from the National Heart, Lung, and Blood Institute on behalf of the NIH.