NameADP-ribosylation factor 1
SynonymsNot Available
Gene NameARF1
OrganismHuman
Amino acid sequence
>lcl|BSEQ0020712|ADP-ribosylation factor 1
MGNIFANLFKGLFGKKEMRILMVGLDAAGKTTILYKLKLGEIVTTIPTIGFNVETVEYKN
ISFTVWDVGGQDKIRPLWRHYFQNTQGLIFVVDSNDRERVNEAREELMRMLAEDELRDAV
LLVFANKQDLPNAMNAAEITDKLGLHSLRHRNWYIQATCATSGDGLYEGLDWLSNQLRNQ
K
Number of residues181
Molecular Weight20696.62
Theoretical pI6.8
GO Classification
Functions
  • receptor signaling protein activity
  • poly(A) RNA binding
  • magnesium ion binding
  • phospholipase D activator activity
  • GTP binding
  • GTPase activity
  • GDP binding
Processes
  • long term synaptic depression
  • regulation of receptor internalization
  • cellular copper ion homeostasis
  • synaptic vesicle budding
  • phospholipid metabolic process
  • protein transport
  • post-Golgi vesicle-mediated transport
  • positive regulation of endocytosis
  • positive regulation of dendritic spine development
  • small GTPase mediated signal transduction
  • dendritic spine organization
  • viral process
  • positive regulation of calcium ion-dependent exocytosis
  • positive regulation of protein secretion
  • small molecule metabolic process
  • positive regulation of sodium ion transmembrane transport
  • regulation of defense response to virus by virus
  • Golgi to transport vesicle transport
  • very-low-density lipoprotein particle assembly
  • lysosomal membrane organization
  • phosphatidylinositol biosynthetic process
  • membrane organization
  • positive regulation of ER to Golgi vesicle-mediated transport
  • COPI coating of Golgi vesicle
  • antigen processing and presentation of exogenous peptide antigen via MHC class II
  • positive regulation of late endosome to lysosome transport
  • retrograde vesicle-mediated transport, Golgi to ER
  • regulation of Arp2/3 complex-mediated actin nucleation
  • actin filament organization
  • regulation of phospholipid metabolic process
Components
  • focal adhesion
  • postsynaptic membrane
  • sarcomere
  • plasma membrane
  • late endosome
  • trans-Golgi network
  • cytosol
  • extracellular exosome
  • COPI-coated vesicle
  • perinuclear region of cytoplasm
  • cell leading edge
  • peroxisomal membrane
  • Golgi membrane
  • neuron projection
  • postsynaptic density
General FunctionReceptor signaling protein activity
Specific FunctionGTP-binding protein that functions as an allosteric activator of the cholera toxin catalytic subunit, an ADP-ribosyltransferase. Involved in protein trafficking among different compartments. Modulates vesicle budding and uncoating within the Golgi complex. Deactivation induces the redistribution of the entire Golgi complex to the endoplasmic reticulum, suggesting a crucial role in protein trafficking. In its GTP-bound form, its triggers the association with coat proteins with the Golgi membrane. The hydrolysis of ARF1-bound GTP, which is mediated by ARFGAPs proteins, is required for dissociation of coat proteins from Golgi membranes and vesicles. The GTP-bound form interacts with PICK1 to limit PICK1-mediated inhibition of Arp2/3 complex activity; the function is linked to AMPA receptor (AMPAR) trafficking, regulation of synaptic plasicity of excitatory synapses and spine shrinkage during long-term depression (LTD).
Pfam Domain Function
Transmembrane RegionsNot Available
GenBank Protein ID178983
UniProtKB IDP84077
UniProtKB Entry NameARF1_HUMAN
Cellular LocationGolgi apparatus
Gene sequence
>lcl|BSEQ0020713|ADP-ribosylation factor 1 (ARF1)
ATGGGGAACATCTTCGCCAACCTCTTCAAGGGCCTTTTTGGCAAAAAAGAAATGCGCATC
CTCATGGTGGGCCTGGATGCTGCAGGGAAGACCACGATCCTCTACAAGCTTAAGCTGGGT
GAGATCGTGACCACCATTCCCACCATAGGCTTCAACGTGGAAACCGTGGAGTACAAGAAC
ATCAGCTTCACTGTGTGGGACGTGGGTGGCCAGGACAAGATCCGGCCCCTGTGGCGCCAC
TACTTCCAGAACACACAAGGCCTGATCTTCGTGGTGGACAGCAATGACAGAGAGCGTGTG
AACGAGGCCCGTGAGGAGCTCATGAGGATGCTGGCCGAGGACGAGCTCCGGGATGCTGTC
CTCCTGGTGTTCGCCAACAAGCAGGACCTCCCCAACGCCATGAATGCGGCCGAGATCACA
GACAAGCTGGGGCTGCACTCACTACGCCACAGGAACTGGTACATTCAGGCCACCTGCGCC
ACCAGCGGCGACGGGCTCTATGAAGGACTGGACTGGCTGTCCAATCAGCTCCGGAACCAG
AAGTGA
GenBank Gene IDM36340
GeneCard IDNot Available
GenAtlas IDNot Available
HGNC IDHGNC:652
Chromosome Location1
Locus1q42
References
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