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ARPC5B ARPC5B RIC3 RIC3 ARPC2B ARPC2B ARPC4 ARPC4 FH2 FH2 VLN4 VLN4 ARPC1A ARPC1A VLN1 VLN1 VLN2 VLN2 VLN3 VLN3 CPA-2 CPA-2 VHA-B1 VHA-B1 ARAC11 ARAC11 ARPC3 ARPC3 PRF4 PRF4 PRF5 PRF5 PRF2 PRF2 PRF1 PRF1 PIR PIR SCAR4 SCAR4 SCAR2 SCAR2 WAVE5 WAVE5 SCAR1 SCAR1 ARPC2A ARPC2A SPK1 SPK1 VHA-B3 VHA-B3 BRK1 BRK1 PRF3 PRF3 FH19 FH19 RIC4 RIC4 SCAR3 SCAR3 AIP1-2 AIP1-2 VLN5 VLN5 ARPC5A ARPC5A CPB CPB FH1 FH1 ARPC1B ARPC1B AIP1-1 AIP1-1
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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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proteins of unknown 3D structure
filled nodes:
a 3D structure is known or predicted
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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
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ARPC5BActin-related protein 2/3 complex subunit 5B; Functions as component of the Arp2/3 complex which is involved in regulation of actin polymerization and together with an activating nucleation-promoting factor (NPF) mediates the formation of branched actin networks. Arp2/3 complex plays a critical role in the control of cell morphogenesis via the modulation of cell polarity development. (135 aa)
RIC3CRIB domain-containing protein RIC3; Functions as downstream effector of Rho-related GTP binding proteins of the 'Rho of Plants' (ROPs) family. Participates in the propagation of ROP GTPase signals in specific cellular responses. Functions as downstream effector of ARAC11/ROP1 to activate calcium signaling that leads to F-actin disassembly associated with exocytosis in the tip of the growing pollen tube. Counteracts the ARAC11/ROP1-RIC4 pathway, which promotes apical F-actin assembly associated with vesicle accumulation, to control actin dynamics and pollen tube apical growth. (220 aa)
ARPC2BActin-related protein 2/3 complex subunit 2B; Functions as actin-binding component of the Arp2/3 complex which is involved in regulation of actin polymerization and together with an activating nucleation-promoting factor (NPF) mediates the formation of branched actin networks. Seems to contact the mother actin filament (By similarity). Arp2/3 complex plays a critical role in the control of cell morphogenesis via the modulation of cell polarity development (By similarity). (374 aa)
ARPC4Actin-related protein 2/3 complex subunit 4; Functions as actin-binding component of the Arp2/3 complex which is involved in regulation of actin polymerization and together with an activating nucleation-promoting factor (NPF) mediates the formation of branched actin networks. Seems to contact the mother actin filament (By similarity). Arp2/3 complex plays a critical role in the control of cell morphogenesis via the modulation of cell polarity development. (169 aa)
FH2Formin-like protein 2; Might be involved in the organization and polarity of the actin cytoskeleton; Belongs to the formin-like family. Class-I subfamily. (894 aa)
VLN4Villin-4; Binds actin and actin filament bundles in a Ca(2+)- insensitive manner, but caps the barbed end of actin filaments and is able to sever them in a calcium-dependent manner. Involved in root hair growth through regulating actin organization in a Ca(2+)-dependent manner. (974 aa)
ARPC1AActin-related protein 2/3 complex subunit 1A; Functions as component of the Arp2/3 complex which is involved in regulation of actin polymerization and together with an activating nucleation-promoting factor (NPF) mediates the formation of branched actin networks. Arp2/3 complex plays a critical role in the control of cell morphogenesis via the modulation of cell polarity development. (378 aa)
VLN1Villin-1; Binds actin and actin filament bundles in a Ca(2+)/calmodulin-insensitive manner, but is unable to sever, cap, and nucleate actin filament formation in vitro. Does not protect individual filaments from severing by VLN3 (AC O81645). Belongs to the villin/gelsolin family. (909 aa)
VLN2Villin-2; Ca(2+)-regulated actin-binding protein. Involved in actin filaments bundling. Caps the barbed end of actin filaments and is able to sever them in a calcium-dependent manner. Required for the construction of actin collars in pollen tubes. Acts redundantly with VLN5 (AC Q9LVC6) to generate thick actin filament bundles and to regulate polarized pollen tube growth. Acts redundantly with VLN3 (AC O81645) to regulate directional organ growth and in sclerenchyma development (respectively). Belongs to the villin/gelsolin family. (976 aa)
VLN3Villin-3; Binds actin and actin filament bundles in a Ca(2+)- insensitive manner, but severs actin filaments in a calcium-dependent manner, regardless of the presence or not of VLN1 (AC O81643). Acts redundantly with VLN2 (AC O81644) to generate thick actin filament bundles, to regulate directional organ growth and in sclerenchyma development. (965 aa)
CPA-2F-actin-capping protein subunit alpha; F-actin-capping proteins bind in a Ca(2+)-independent manner to the fast growing ends of actin filaments (barbed end) thereby blocking the exchange of subunits at these ends. Unlike other capping proteins (such as gelsolin and severin), these proteins do not sever actin filaments (By similarity). (308 aa)
VHA-B1V-type proton ATPase subunit B1; Non-catalytic subunit of the peripheral V1 complex of vacuolar ATPase. V-ATPase is responsible for acidifying a variety of intracellular compartments in eukaryotic cells. (486 aa)
ARAC11Rac-like GTP-binding protein ARAC11; May be involved in cell polarity control during the actin- dependent tip growth of pollen tubes. May regulate callose synthase 1 (CALS1) activity through the interaction with UGT1. (197 aa)
ARPC3Actin-related protein 2/3 complex subunit 3; Functions as component of the Arp2/3 complex which is involved in regulation of actin polymerization and together with an activating nucleation-promoting factor (NPF) mediates the formation of branched actin networks. Arp2/3 complex plays a critical role in the control of cell morphogenesis via the modulation of cell polarity development. (174 aa)
PRF4Profilin-4; Binds to actin monomers and regulates the organization of the actin cytoskeleton. At high concentrations, profilin prevents the polymerization of actin, whereas it enhances it at low concentrations. At low concentrations, associates with the poly-proline motif of formins to enhance actin filament elongation rate. Acts redundantly with PRF5 to regulate apical actin polymerization at the tip of pollen tube and control polarized pollen tube growth. Functions probably by favoring formin-mediated actin polymerization at pollen tube tips. (134 aa)
PRF5Profilin-5; Binds to actin monomers and regulates the organization of the actin cytoskeleton. At high concentrations, profilin prevents the polymerization of actin, whereas it enhances it at low concentrations. At low concentrations, associates with the poly-proline motif of formins to enhance actin filament elongation rate. Acts redundantly with PRF4 to regulate apical actin polymerization at the tip of pollen tube and control polarized pollen tube growth. Functions probably by favoring formin-mediated actin polymerization at pollen tube tips. (134 aa)
PRF2Profilin-2; Binds to actin monomers and regulates the organization of the actin cytoskeleton. At high concentrations, profilin prevents the polymerization of actin, whereas it enhances it at low concentrations. At low concentrations, associates with the poly-proline motif of formins to enhance actin filament elongation rate. Binds G- actin and poly-L-proline with low affinity in vitro. Binds ACT1, ACT7 and ACT11 and inhibits actin polymerization. May be involved in the cross-talk between vesicular trafficking and the actin cytoskeleton. At high concentrations, profilin prevents the pol [...] (131 aa)
PRF1Profilin-1; Binds to actin monomers and regulates the organization of the actin cytoskeleton. At high concentrations, profilin prevents the polymerization of actin, whereas it enhances it at low concentrations. At low concentrations, associates with the poly-proline motif of formins to enhance actin filament elongation rate. Binds ACT1, ACT7 and ACT11 and inhibits actin polymerization. Coordinates the stochastic dynamic properties of actin filaments by modulating formin- mediated actin nucleation and assembly during axial cell expansion. Binds G-actin and poly-L-proline in vitro. Inhib [...] (131 aa)
PIRProtein PIR; Involved in regulation of actin and microtubule organization. Part of a WAVE complex that activates the ARP2/3 complex. Interacts with the active form of RHO-family GTPases. (1282 aa)
SCAR4Protein SCAR4; Involved in regulation of actin and microtubule organization. Part of a WAVE complex that activates the Arp2/3 complex. Regulates trichome branch positioning and expansion. (1170 aa)
SCAR2Protein SCAR2; Involved in regulation of actin and microtubule organization. Part of a WAVE complex that activates the Arp2/3 complex. Regulates trichome branch positioning and expansion. Belongs to the SCAR/WAVE family. (1399 aa)
WAVE5Scar-like domain-containing protein WAVE 5. (2028 aa)
SCAR1Protein SCAR1; Involved in regulation of actin and microtubule organization. Part of a WAVE complex that activates the Arp2/3 complex. Regulates trichome branch positioning and expansion. (821 aa)
ARPC2AActin-related protein 2/3 complex subunit 2A; Functions as actin-binding component of the Arp2/3 complex which is involved in regulation of actin polymerization and together with an activating nucleation-promoting factor (NPF) mediates the formation of branched actin networks. Seems to contact the mother actin filament (By similarity). Arp2/3 complex plays a critical role in the control of cell morphogenesis via the modulation of cell polarity development; Belongs to the ARPC2 family. (318 aa)
SPK1Guanine nucleotide exchange factor SPIKE 1; Guanine nucleotide exchange factor (GEF) for Rho and Rac. GEF proteins activate small GTPases by exchanging bound GDP for free GTP. Controls actin polymerization via the two heteromeric complexes WAVE and actin-related protein (ARP) 2/3. Involved in cytoskeletal reorganization required for cell shape (e.g. trichome and cotyledon) control and tissue development. Promotes polarized growth and cell-cell adhesion in the leaf epidermis probably by promoting the formation of endoplasmic reticulum (ER) exit site (ERES) and/or trafficking between the [...] (1830 aa)
VHA-B3V-type proton ATPase subunit B3; Non-catalytic subunit of the peripheral V1 complex of vacuolar ATPase. V-ATPase is responsible for acidifying a variety of intracellular compartments in eukaryotic cells. (487 aa)
BRK1Protein BRICK 1; Involved in regulation of actin and microtubule organization. Part of a WAVE complex that activates the Arp2/3 complex. (85 aa)
PRF3Profilin-3; Binds to actin monomers and regulates the organization of the actin cytoskeleton. Can increase the critical concentration (Cc) of actin assembly in vitro. Acts as downstream effector of the hydrogen sulfide signaling to regulate the assembly and depolymerization of F-actin. At high concentrations, profilin prevents the polymerization of actin, whereas it enhances it at low concentrations (Probable). Binding to the poly-proline motif of formin induces oligomerization of PRF3. PRF3 oligomers inhibit formin-mediated actin assembly to modulate plant immunity triggered by pathog [...] (168 aa)
FH19Formin-like protein 19; Belongs to the formin-like family. Class-II subfamily. (464 aa)
RIC4CRIB domain-containing protein RIC4; Functions as downstream effector of Rho-related GTP binding proteins of the 'Rho of Plants' (ROPs) family. Participates in the propagation of ROP GTPase signals in specific cellular responses. Required for actin cortical microfilament assembly. Activated by ARAC4/ROP2 to promote the assembly of cortical actin microfilaments required for lobe formation and lateral expansion of pavement cells. Interaction with, and activation by ARAC4/ROP2 is inhibited by RIC1. Functions as downstream effector of ARAC11/ROP1 to promote the assembly of apical F-actin a [...] (153 aa)
SCAR3Protein SCAR3; Involved in regulation of actin and microtubule organization. Part of a WAVE complex that activates the Arp2/3 complex. Regulates trichome branch positioning and expansion. (1020 aa)
AIP1-2Actin-interacting protein 1-2; Binds actin. Enhances the F-actin depolymerization activity of actin-depolymerizing factor (ADF) proteins. (609 aa)
VLN5Villin-5; Major actin filament stabilizing factor and regulator of actin dynamics. Binds actin and actin filament bundles in a Ca(2+)- insensitive manner, but caps the barbed end of actin filaments and is able to sever them in a calcium-dependent manner. Required for the construction of actin collars in pollen tubes. Acts synergistically with VLN2 (AC O81644) to regulate polarized pollen tube growth. Belongs to the villin/gelsolin family. (962 aa)
ARPC5AActin-related protein 2/3 complex subunit 5A; Functions as component of the Arp2/3 complex which is involved in regulation of actin polymerization and together with an activating nucleation-promoting factor (NPF) mediates the formation of branched actin networks (By similarity). Arp2/3 complex plays a critical role in the control of cell morphogenesis via the modulation of cell polarity development. (132 aa)
CPBProbable F-actin-capping protein subunit beta; F-actin-capping proteins bind in a Ca(2+)-independent manner to the fast growing ends of actin filaments (barbed end) thereby blocking the exchange of subunits at these ends. Unlike other capping proteins (such as gelsolin and severin), these proteins do not sever actin filaments (By similarity). (256 aa)
FH1Formin-like protein 1; Might be involved in the organization and polarity of the actin cytoskeleton. Involved in polar pollen cell growth process by maintaining tip-focused cell membrane expansion for the polar extension of pollen tubes; Belongs to the formin-like family. Class-I subfamily. (1051 aa)
ARPC1BActin-related protein 2/3 complex subunit 1B; Functions as component of the Arp2/3 complex which is involved in regulation of actin polymerization and together with an activating nucleation-promoting factor (NPF) mediates the formation of branched actin networks. Arp2/3 complex plays a critical role in the control of cell morphogenesis via the modulation of cell polarity development; Belongs to the WD repeat ARPC1 family. (378 aa)
AIP1-1Actin-interacting protein 1-1; Binds actin. Enhances the F-actin depolymerization activity of actin-depolymerizing factor (ADF) proteins. (611 aa)
Your Current Organism:
Arabidopsis thaliana
NCBI taxonomy Id: 3702
Other names: A. thaliana, Arabidopsis thaliana (L.) Heynh., mouse-ear cress, thale cress, thale-cress
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