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SPTA:SPTB [cytosol]
Stable Identifier
R-HSA-391839
Type
Complex
Species
Homo sapiens
Compartment
cytosol
Synonyms
Spectrin heterodimer
Locations in the PathwayBrowser
Expand all
Developmental Biology (Homo sapiens)
Nervous system development (Homo sapiens)
Axon guidance (Homo sapiens)
L1CAM interactions (Homo sapiens)
Interaction between L1 and Ankyrins (Homo sapiens)
Ankyrins link voltage-gated sodium and potassium channels to spectrin and L1 (Homo sapiens)
NFASC:NRCAM:ANK1-3:SPTA:SPTB:F-actin [plasma membrane] (Homo sapiens)
SPTA:SPTB:F-actin [cytosol] (Homo sapiens)
SPTA:SPTB [cytosol] (Homo sapiens)
NFASC:NRCAM:ANK1-3:SPTA:SPTB:F-actin:KCNQ2,3, SCNAs:SCNBs [plasma membrane] (Homo sapiens)
NFASC:NRCAM:ANK1-3:SPTA:SPTB:F-actin [plasma membrane] (Homo sapiens)
SPTA:SPTB:F-actin [cytosol] (Homo sapiens)
SPTA:SPTB [cytosol] (Homo sapiens)
L1 linked to actin cytoskeleton by ankyrin (Homo sapiens)
L1 dimer:Ankyrin:Spectrin:F-actin [plasma membrane] (Homo sapiens)
SPTA:SPTB:F-actin [cytosol] (Homo sapiens)
SPTA:SPTB [cytosol] (Homo sapiens)
SPTA:SPTB:F-actin [cytosol] (Homo sapiens)
SPTA:SPTB [cytosol] (Homo sapiens)
NCAM signaling for neurite out-growth (Homo sapiens)
Autophosphorylation of NCAM1 bound Fyn (Homo sapiens)
Fyn:NCAM1:RPTP-alpha [plasma membrane] (Homo sapiens)
SPTA:SPTB [cytosol] (Homo sapiens)
NCAM1 complexed with pFyn-Y420 [plasma membrane] (Homo sapiens)
SPTA:SPTB [cytosol] (Homo sapiens)
Dephosphorylation of NCAM1 bound pFyn (Homo sapiens)
Fyn:NCAM1:RPTP-alpha [plasma membrane] (Homo sapiens)
SPTA:SPTB [cytosol] (Homo sapiens)
SPTA:SPTB [cytosol] (Homo sapiens)
NCAM1:pFAK:Grb2:Sos-mediated nucleotide exchange of Ras (Homo sapiens)
Grb2:Sos:pFAK bound to NCAM1:pFyn [plasma membrane] (Homo sapiens)
NCAM1 complexed with pFyn-Y420 [plasma membrane] (Homo sapiens)
SPTA:SPTB [cytosol] (Homo sapiens)
Phosphorylation of FAK by Src kinase (Homo sapiens)
Multiple phosphorylated FAK bound to NCAM:pFyn [plasma membrane] (Homo sapiens)
NCAM1 complexed with pFyn-Y420 [plasma membrane] (Homo sapiens)
SPTA:SPTB [cytosol] (Homo sapiens)
pFAK (391) bound to NCAM1:pFyn [plasma membrane] (Homo sapiens)
NCAM1 complexed with pFyn-Y420 [plasma membrane] (Homo sapiens)
SPTA:SPTB [cytosol] (Homo sapiens)
Recruitment of FAK to NCAM1:Fyn in lipid rafts (Homo sapiens)
NCAM1 complexed with pFyn-Y420 [plasma membrane] (Homo sapiens)
SPTA:SPTB [cytosol] (Homo sapiens)
pFAK (391) bound to NCAM1:pFyn [plasma membrane] (Homo sapiens)
NCAM1 complexed with pFyn-Y420 [plasma membrane] (Homo sapiens)
SPTA:SPTB [cytosol] (Homo sapiens)
Recruitment of Grb2 to pFAK:NCAM1 (Homo sapiens)
Grb2:pFAK bound to NCAM1:pFyn [plasma membrane] (Homo sapiens)
NCAM1 complexed with pFyn-Y420 [plasma membrane] (Homo sapiens)
SPTA:SPTB [cytosol] (Homo sapiens)
Multiple phosphorylated FAK bound to NCAM:pFyn [plasma membrane] (Homo sapiens)
NCAM1 complexed with pFyn-Y420 [plasma membrane] (Homo sapiens)
SPTA:SPTB [cytosol] (Homo sapiens)
SOS binds Grb2 bound to pFAK:NCAM1 (Homo sapiens)
Grb2:Sos:pFAK bound to NCAM1:pFyn [plasma membrane] (Homo sapiens)
NCAM1 complexed with pFyn-Y420 [plasma membrane] (Homo sapiens)
SPTA:SPTB [cytosol] (Homo sapiens)
Grb2:pFAK bound to NCAM1:pFyn [plasma membrane] (Homo sapiens)
NCAM1 complexed with pFyn-Y420 [plasma membrane] (Homo sapiens)
SPTA:SPTB [cytosol] (Homo sapiens)
Metabolism of proteins (Homo sapiens)
Post-translational protein modification (Homo sapiens)
Asparagine N-linked glycosylation (Homo sapiens)
Transport to the Golgi and subsequent modification (Homo sapiens)
ER to Golgi Anterograde Transport (Homo sapiens)
COPI-mediated anterograde transport (Homo sapiens)
ARFGAP, cargo, v-SNAREs and p24 proteins bind nascent COPI complex (Homo sapiens)
RAB1:GTP:GBF1:USO1:ARF:GTP:coatomer:ARFGAP1,2,3:PalmC-YKT6:p24 dimers:cargo:spectrin:ankyrin [endoplasmic reticulum-Golgi intermediate compartment membrane] (Homo sapiens)
Spectrin tetramer [cytosol] (Homo sapiens)
SPTA:SPTB [cytosol] (Homo sapiens)
Spectrin tetramer [cytosol] (Homo sapiens)
SPTA:SPTB [cytosol] (Homo sapiens)
ARFGAPs stimulate ARF GTPase activity (Homo sapiens)
RAB1:GTP:GBF1:USO1:ARF:GTP:coatomer:ARFGAP1,2,3:PalmC-YKT6:p24 dimers:cargo:spectrin:ankyrin [endoplasmic reticulum-Golgi intermediate compartment membrane] (Homo sapiens)
Spectrin tetramer [cytosol] (Homo sapiens)
SPTA:SPTB [cytosol] (Homo sapiens)
RAB1:GTP:USO1:coatomer:PalmC-YKT6:p24 dimers:cargo:spectrin:anykrin [transport vesicle] (Homo sapiens)
Spectrin tetramer [cytosol] (Homo sapiens)
SPTA:SPTB [cytosol] (Homo sapiens)
COPI vesicle uncoating (Homo sapiens)
RAB1:GTP:USO1:coatomer:p24 dimers:cargo:spectrin:ankyrin:COG complex:GOLGA2:GORASP1:TMEM115:cis-SNARE complex [Golgi membrane] (Homo sapiens)
RAB1:GTP:USO1:coatomer:PalmC-YKT6:p24 dimers:cargo:spectrin:anykrin:COG complex:GOLGA2:GORASP1:GOLGB1:TMEM115 [Golgi membrane] (Homo sapiens)
RAB1:GTP:USO1:coatomer:PalmC-YKT6:p24 dimers:cargo:spectrin:anykrin [Golgi membrane] (Homo sapiens)
Spectrin tetramer [cytosol] (Homo sapiens)
SPTA:SPTB [cytosol] (Homo sapiens)
Spectrin tetramer [cytosol] (Homo sapiens)
SPTA:SPTB [cytosol] (Homo sapiens)
ERGIC-to-Golgi vesicles bind dynein:dynactin (Homo sapiens)
RAB1:GTP:USO1 coatomer:PalmC-YKT6:p24 dimers:cargo:anykrin:spectrin:dynein:dynactin:microtubules [transport vesicle] (Homo sapiens)
RAB1:GTP:USO1:coatomer:PalmC-YKT6:p24 dimers:cargo:spectrin:anykrin [transport vesicle] (Homo sapiens)
Spectrin tetramer [cytosol] (Homo sapiens)
SPTA:SPTB [cytosol] (Homo sapiens)
RAB1:GTP:USO1:coatomer:PalmC-YKT6:p24 dimers:cargo:spectrin:anykrin [transport vesicle] (Homo sapiens)
Spectrin tetramer [cytosol] (Homo sapiens)
SPTA:SPTB [cytosol] (Homo sapiens)
Vesicle is tethered through binding GOLGA2:GORASP1, GOLGB1 and the COG complex (Homo sapiens)
RAB1:GTP:USO1 coatomer:PalmC-YKT6:p24 dimers:cargo:anykrin:spectrin:dynein:dynactin:microtubules [transport vesicle] (Homo sapiens)
RAB1:GTP:USO1:coatomer:PalmC-YKT6:p24 dimers:cargo:spectrin:anykrin [transport vesicle] (Homo sapiens)
Spectrin tetramer [cytosol] (Homo sapiens)
SPTA:SPTB [cytosol] (Homo sapiens)
RAB1:GTP:USO1:coatomer:PalmC-YKT6:p24 dimers:cargo:spectrin:anykrin:COG complex:GOLGA2:GORASP1:GOLGB1:TMEM115 [Golgi membrane] (Homo sapiens)
RAB1:GTP:USO1:coatomer:PalmC-YKT6:p24 dimers:cargo:spectrin:anykrin [Golgi membrane] (Homo sapiens)
Spectrin tetramer [cytosol] (Homo sapiens)
SPTA:SPTB [cytosol] (Homo sapiens)
cis-Golgi t-SNAREs bind YKT6 on tethered vesicle (Homo sapiens)
RAB1:GTP:USO1:coatomer:PalmC-YKT6:p24 dimers:cargo:spectrin:anykrin:COG complex:GOLGA2:GORASP1:GOLGB1:TMEM115 [Golgi membrane] (Homo sapiens)
RAB1:GTP:USO1:coatomer:PalmC-YKT6:p24 dimers:cargo:spectrin:anykrin [Golgi membrane] (Homo sapiens)
Spectrin tetramer [cytosol] (Homo sapiens)
SPTA:SPTB [cytosol] (Homo sapiens)
RAB1:GTP:USO1:coatomer:p24 dimers:cargo:spectrin:ankyrin:COG complex:GOLGA2:GORASP1:TMEM115:cis-SNARE complex [Golgi membrane] (Homo sapiens)
RAB1:GTP:USO1:coatomer:PalmC-YKT6:p24 dimers:cargo:spectrin:anykrin:COG complex:GOLGA2:GORASP1:GOLGB1:TMEM115 [Golgi membrane] (Homo sapiens)
RAB1:GTP:USO1:coatomer:PalmC-YKT6:p24 dimers:cargo:spectrin:anykrin [Golgi membrane] (Homo sapiens)
Spectrin tetramer [cytosol] (Homo sapiens)
SPTA:SPTB [cytosol] (Homo sapiens)
Signal Transduction (Homo sapiens)
MAPK family signaling cascades (Homo sapiens)
MAPK1/MAPK3 signaling (Homo sapiens)
RAF/MAP kinase cascade (Homo sapiens)
RAS GEFs promote RAS nucleotide exchange (Homo sapiens)
RAS GEFs [plasma membrane] (Homo sapiens)
Grb2:Sos:pFAK bound to NCAM1:pFyn [plasma membrane] (Homo sapiens)
NCAM1 complexed with pFyn-Y420 [plasma membrane] (Homo sapiens)
SPTA:SPTB [cytosol] (Homo sapiens)
Vesicle-mediated transport (Homo sapiens)
Membrane Trafficking (Homo sapiens)
ER to Golgi Anterograde Transport (Homo sapiens)
COPI-mediated anterograde transport (Homo sapiens)
ARFGAP, cargo, v-SNAREs and p24 proteins bind nascent COPI complex (Homo sapiens)
RAB1:GTP:GBF1:USO1:ARF:GTP:coatomer:ARFGAP1,2,3:PalmC-YKT6:p24 dimers:cargo:spectrin:ankyrin [endoplasmic reticulum-Golgi intermediate compartment membrane] (Homo sapiens)
Spectrin tetramer [cytosol] (Homo sapiens)
SPTA:SPTB [cytosol] (Homo sapiens)
Spectrin tetramer [cytosol] (Homo sapiens)
SPTA:SPTB [cytosol] (Homo sapiens)
ARFGAPs stimulate ARF GTPase activity (Homo sapiens)
RAB1:GTP:GBF1:USO1:ARF:GTP:coatomer:ARFGAP1,2,3:PalmC-YKT6:p24 dimers:cargo:spectrin:ankyrin [endoplasmic reticulum-Golgi intermediate compartment membrane] (Homo sapiens)
Spectrin tetramer [cytosol] (Homo sapiens)
SPTA:SPTB [cytosol] (Homo sapiens)
RAB1:GTP:USO1:coatomer:PalmC-YKT6:p24 dimers:cargo:spectrin:anykrin [transport vesicle] (Homo sapiens)
Spectrin tetramer [cytosol] (Homo sapiens)
SPTA:SPTB [cytosol] (Homo sapiens)
COPI vesicle uncoating (Homo sapiens)
RAB1:GTP:USO1:coatomer:p24 dimers:cargo:spectrin:ankyrin:COG complex:GOLGA2:GORASP1:TMEM115:cis-SNARE complex [Golgi membrane] (Homo sapiens)
RAB1:GTP:USO1:coatomer:PalmC-YKT6:p24 dimers:cargo:spectrin:anykrin:COG complex:GOLGA2:GORASP1:GOLGB1:TMEM115 [Golgi membrane] (Homo sapiens)
RAB1:GTP:USO1:coatomer:PalmC-YKT6:p24 dimers:cargo:spectrin:anykrin [Golgi membrane] (Homo sapiens)
Spectrin tetramer [cytosol] (Homo sapiens)
SPTA:SPTB [cytosol] (Homo sapiens)
Spectrin tetramer [cytosol] (Homo sapiens)
SPTA:SPTB [cytosol] (Homo sapiens)
ERGIC-to-Golgi vesicles bind dynein:dynactin (Homo sapiens)
RAB1:GTP:USO1 coatomer:PalmC-YKT6:p24 dimers:cargo:anykrin:spectrin:dynein:dynactin:microtubules [transport vesicle] (Homo sapiens)
RAB1:GTP:USO1:coatomer:PalmC-YKT6:p24 dimers:cargo:spectrin:anykrin [transport vesicle] (Homo sapiens)
Spectrin tetramer [cytosol] (Homo sapiens)
SPTA:SPTB [cytosol] (Homo sapiens)
RAB1:GTP:USO1:coatomer:PalmC-YKT6:p24 dimers:cargo:spectrin:anykrin [transport vesicle] (Homo sapiens)
Spectrin tetramer [cytosol] (Homo sapiens)
SPTA:SPTB [cytosol] (Homo sapiens)
Vesicle is tethered through binding GOLGA2:GORASP1, GOLGB1 and the COG complex (Homo sapiens)
RAB1:GTP:USO1 coatomer:PalmC-YKT6:p24 dimers:cargo:anykrin:spectrin:dynein:dynactin:microtubules [transport vesicle] (Homo sapiens)
RAB1:GTP:USO1:coatomer:PalmC-YKT6:p24 dimers:cargo:spectrin:anykrin [transport vesicle] (Homo sapiens)
Spectrin tetramer [cytosol] (Homo sapiens)
SPTA:SPTB [cytosol] (Homo sapiens)
RAB1:GTP:USO1:coatomer:PalmC-YKT6:p24 dimers:cargo:spectrin:anykrin:COG complex:GOLGA2:GORASP1:GOLGB1:TMEM115 [Golgi membrane] (Homo sapiens)
RAB1:GTP:USO1:coatomer:PalmC-YKT6:p24 dimers:cargo:spectrin:anykrin [Golgi membrane] (Homo sapiens)
Spectrin tetramer [cytosol] (Homo sapiens)
SPTA:SPTB [cytosol] (Homo sapiens)
cis-Golgi t-SNAREs bind YKT6 on tethered vesicle (Homo sapiens)
RAB1:GTP:USO1:coatomer:PalmC-YKT6:p24 dimers:cargo:spectrin:anykrin:COG complex:GOLGA2:GORASP1:GOLGB1:TMEM115 [Golgi membrane] (Homo sapiens)
RAB1:GTP:USO1:coatomer:PalmC-YKT6:p24 dimers:cargo:spectrin:anykrin [Golgi membrane] (Homo sapiens)
Spectrin tetramer [cytosol] (Homo sapiens)
SPTA:SPTB [cytosol] (Homo sapiens)
RAB1:GTP:USO1:coatomer:p24 dimers:cargo:spectrin:ankyrin:COG complex:GOLGA2:GORASP1:TMEM115:cis-SNARE complex [Golgi membrane] (Homo sapiens)
RAB1:GTP:USO1:coatomer:PalmC-YKT6:p24 dimers:cargo:spectrin:anykrin:COG complex:GOLGA2:GORASP1:GOLGB1:TMEM115 [Golgi membrane] (Homo sapiens)
RAB1:GTP:USO1:coatomer:PalmC-YKT6:p24 dimers:cargo:spectrin:anykrin [Golgi membrane] (Homo sapiens)
Spectrin tetramer [cytosol] (Homo sapiens)
SPTA:SPTB [cytosol] (Homo sapiens)
General
Spectrin is a protein found at the intracellular surface of the plasma membrane in many cell types. In association with other proteins particularly protein 4.1 and ankyrin it forms hexagonal or pentagonal structures that act as a plasma membrane scaffold for other membrane structures and as an attachment point for cytoskeletal proteins such as actin. The erythrocyte forms of spectrin are the best studied (and not exclusievely expressed in erthrocytes).
Participants
components
Spectrin alpha chain [cytosol]
(Homo sapiens)
Spectrin beta chain [cytosol]
(Homo sapiens)
Participates
as a component of
SPTA:SPTB:F-actin [cytosol] (Homo sapiens)
Spectrin tetramer [cytosol] (Homo sapiens)
NCAM:pFyn(420):RPTPalpha:spectrin [plasma membrane] (Homo sapiens)
NCAM:Fyn:RPTP-alpha:Spectrin [plasma membrane] (Homo sapiens)
Fyn:NCAM1:RPTP-alpha [plasma membrane] (Homo sapiens)
NCAM1 complexed with pFyn-Y420 [plasma membrane] (Homo sapiens)
as an input of
Dephosphorylation of NCAM1 bound pFyn (Homo sapiens)
Dephosphorylation of NCAM1 bound pFyn (Homo sapiens)
Inferred To
SPTA:SPTB [cytosol]
(Bos taurus)
SPTA:SPTB [cytosol]
(Caenorhabditis elegans)
SPTA:SPTB [cytosol]
(Canis familiaris)
SPTA:SPTB [cytosol]
(Danio rerio)
SPTA:SPTB [cytosol]
(Dictyostelium discoideum)
SPTA:SPTB [cytosol]
(Drosophila melanogaster)
SPTA:SPTB [cytosol]
(Gallus gallus)
SPTA:SPTB [cytosol]
(Mus musculus)
SPTA:SPTB [cytosol]
(Rattus norvegicus)
SPTA:SPTB [cytosol]
(Saccharomyces cerevisiae)
SPTA:SPTB [cytosol]
(Schizosaccharomyces pombe)
SPTA:SPTB [cytosol]
(Sus scrofa)
SPTA:SPTB [cytosol]
(Xenopus tropicalis)
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