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FLASH GENE
Symbol SYT7 contributors: mct/npt/pgu - updated : 28-03-2018
HGNC name synaptotagmin VII
HGNC id 11514
RNA
TRANSCRIPTS type messenger
identificationnb exonstypebpproduct
ProteinkDaAAspecific expressionYearPubmed
9 - 4609 - 403 - 2002 12071850
EXPRESSION
Type widely
   expressed in (based on citations)
organ(s)
SystemOrgan level 1Organ level 2Organ level 3Organ level 4LevelPubmedSpeciesStageRna symbol
Nervousbrain   highly Homo sapiens
Reproductivefemale systemplacenta  highly
 male systemprostate  highly
cells
SystemCellPubmedSpeciesStageRna symbol
Nervousneuron Homo sapiens
cell lineage
cell lines
fluid/secretion
at STAGE
PROTEIN
PHYSICAL PROPERTIES
STRUCTURE
motifs/domains
  • an intravesicular N terminal domain
  • a single transmembrane (TM) region
  • two protein kinase C-homologous repeats (Ca2+ binding domains C2), C2A and C2B domains that exhibit Ca2+-dependent phospholipid binding, and both contribute to exocytosis
  • a conserved WHXL motif in the C terminus
  • mono polymer homomer , heteromer , complex
    HOMOLOGY
    interspecies homolog to murine Syt7
    ortholog to rattus Syt7
    Homologene
    FAMILY
  • synaptotagmin family
  • CATEGORY transport carrier
    SUBCELLULAR LOCALIZATION     plasma membrane
        intracellular
    intracellular,cytoplasm,cytosolic,granule
    intracellular,cytoplasm,cytosolic,vesicle
    intracellular,nucleus
    text
  • membrane of synaptic vesicles
  • is abundantly distributed in neuropil of all examined anatomical areas of the brain, most prominently in axons
  • basic FUNCTION
  • calcium sensor for transmitter release at the central synapse, involved in exocytosis and endocytosis
  • serves as a Ca(2+) sensor in the release of neurotransmitters and hormone
  • may be involved in the control of synaptic neuropeptide release or some other form of Ca2+-induced exocytosis
  • major Ca2+ sensor for exocytosis in chromaffin cells, which, together with synaptotagmin-1, mediates almost all of the Ca2+ triggering of exocytosis in these cells
  • functioning by binding to Ca2+ and, thus in this sense, is a Ca2+ sensor
  • acting to trigger exocytosis in a manner similar to synaptotagmin-1, by binding to phospholipids and SNARE proteins
  • plays an important role in bone remodeling and homeostasis by modulating secretory pathways functionally important in osteoclasts and osteoblasts
  • principal Ca2+ sensor for Ca2+ -induced glucagon exocytosis in pancreas
  • Ca(2+) sensor of dense core vesicles fusion machinery (
  • with SYTL5, are positive regulators of chemotaxis
  • Ca(2+) sensor that regulates lysosome exocytosis and plasma membrane repair
  • controls fusion pore dynamics during exocytosis via a push-and-pull mechanism in which Ca2+ binding to both C2 domains promotes fusion pore opening, but the C2B domain is selectively essential for continuous expansion of an otherwise unstable fusion pore
  • CELLULAR PROCESS
    PHYSIOLOGICAL PROCESS nervous system , exocytosis transport , endocytosis transport
    PATHWAY
    metabolism
    signaling
    a component
  • multifunctional intrinsic membrane protein of synaptic vesicles of neurons and chromaffin granules
  • INTERACTION
    DNA
    RNA
    small molecule metal binding,
  • Ca2+
  • protein
  • role for the SYT7-phosphatidylserine interaction in stabilizing open fusion pores (
  • palmitoylation-dependent association with the tetraspanin CD63 is the mechanism by which SYT7 is targeted to lysosomes
  • SYT7 interacts with Synaptotagmin-binding, cytoplasmic RNA-interacting protein (SYNCRIP)
  • possible functional connection between SYT7 and SYNCRIP proteins in Purkinje neurons
  • cell & other
    REGULATION
    ASSOCIATED DISORDERS
    corresponding disease(s)
    Susceptibility
    Variant & Polymorphism
    Candidate gene candidate Ca2+ sensor for exocytosis that is at least partly localized to synapses
    Marker
    Therapy target
    ANIMAL & CELL MODELS