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RIMS1 RIMS1 SYN1 SYN1 UNC13B UNC13B RPH3A RPH3A SYT1 SYT1 SNAP25 SNAP25 RAB3A RAB3A RAB3IL1 RAB3IL1 RAB3B RAB3B RIMS2 RIMS2 RAB35 RAB35
"RAB3A" - Ras-related protein Rab-3A in Homo sapiens
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splice isoforms or post-translational modifications are collapsed, i.e. each node represents all the proteins produced by a single, protein-coding gene locus.
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query proteins and first shell of interactors
white nodes:
second shell of interactors
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empty nodes:
proteins of unknown 3D structure
filled nodes:
some 3D structure is known or predicted
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Edges represent protein-protein associations
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Known Interactions
from curated databases
experimentally determined
Predicted Interactions
gene neighborhood
gene fusions
gene co-occurrence
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textmining
co-expression
protein homology
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RAB3ARas-related protein Rab-3A; Involved in exocytosis by regulating a late step in synaptic vesicle fusion. Could play a role in neurotransmitter release by regulating membrane flow in the nerve terminal; RAB, member RAS oncogene GTPases (220 aa)    
Predicted Functional Partners:
RIMS1
Regulating synaptic membrane exocytosis protein 1; Rab effector involved in exocytosis (By similarity). May act as scaffold protein that regulates neurotransmitter release at the active zone. Essential for maintaining normal probability of neurotransmitter release and for regulating release during short- term synaptic plasticity (By similarity). Plays a role in dendrite formation by melanocytes; PDZ domain containing (1692 aa)
     
  0.996
RIMS2
Regulating synaptic membrane exocytosis protein 2; Rab effector involved in exocytosis. May act as scaffold protein. Plays a role in dendrite formation by melanocytes; PDZ domain containing (1188 aa)
     
  0.993
SNAP25
Synaptosomal-associated protein 25; t-SNARE involved in the molecular regulation of neurotransmitter release. May play an important role in the synaptic function of specific neuronal systems. Associates with proteins involved in vesicle docking and membrane fusion. Regulates plasma membrane recycling through its interaction with CENPF. Modulates the gating characteristics of the delayed rectifier voltage-dependent potassium channel KCNB1 in pancreatic beta cells; SNAREs (206 aa)
     
 
  0.991
RPH3A
Rabphilin-3A; Protein transport. Probably involved with Ras-related protein Rab-3A in synaptic vesicle traffic and/or synaptic vesicle fusion. Could play a role in neurotransmitter release by regulating membrane flow in the nerve terminal (By similarity); Synaptotagmin like tandem C2 proteins (694 aa)
     
 
  0.990
RAB3IL1
Guanine nucleotide exchange factor for Rab-3A; Guanine nucleotide exchange factor (GEF) which may activate RAB3A, a GTPase that regulates synaptic vesicle exocytosis. Promotes the exchange of GDP to GTP, converting inactive GDP-bound Rab proteins into their active GTP-bound form. May also activate RAB8A and RAB8B; Belongs to the SEC2 family (382 aa)
       
  0.985
SYT1
Synaptotagmin-1; May have a regulatory role in the membrane interactions during trafficking of synaptic vesicles at the active zone of the synapse. It binds acidic phospholipids with a specificity that requires the presence of both an acidic head group and a diacyl backbone. A Ca(2+)-dependent interaction between synaptotagmin and putative receptors for activated protein kinase C has also been reported. It can bind to at least three additional proteins in a Ca(2+)-independent manner; these are neurexins, syntaxin and AP2. Plays a role in dendrite formation by melanocytes; Synaptotagmins (422 aa)
     
  0.981
SYN1
Synapsin-1; Neuronal phosphoprotein that coats synaptic vesicles, binds to the cytoskeleton, and is believed to function in the regulation of neurotransmitter release. The complex formed with NOS1 and CAPON proteins is necessary for specific nitric-oxid functions at a presynaptic level; Synapsins (705 aa)
     
 
  0.981
UNC13B
Protein unc-13 homolog B; Plays a role in vesicle maturation during exocytosis as a target of the diacylglycerol second messenger pathway. Is involved in neurotransmitter release by acting in synaptic vesicle priming prior to vesicle fusion and participates in the activity- depending refilling of readily releasable vesicle pool (RRP). Essential for synaptic vesicle maturation in a subset of excitatory/glutamatergic but not inhibitory/GABA-mediated synapses (By similarity); Belongs to the unc-13 family (1591 aa)
     
 
  0.979
RAB3B
Ras-related protein Rab-3B; Protein transport. Probably involved in vesicular traffic (By similarity); RAB, member RAS oncogene GTPases (219 aa)
   
0.975
RAB35
Ras-related protein Rab-35; The small GTPases Rab are key regulators of intracellular membrane trafficking, from the formation of transport vesicles to their fusion with membranes. Rabs cycle between an inactive GDP-bound form and an active GTP-bound form that is able to recruit to membranes different sets of downstream effectors directly responsible for vesicle formation, movement, tethering and fusion. That Rab is involved in the process of endocytosis and is an essential rate-limiting regulator of the fast recycling pathway back to the plasma membrane. During cytokinesis, required f [...] (201 aa)
   
 
0.974
Your Current Organism:
Homo sapiens
NCBI taxonomy Id: 9606
Other names: H. sapiens, Homo sapiens, human, man
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