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XI-1 | Myosin-5; Myosin heavy chain that is required for the cell cycle- regulated transport of various organelles and proteins for their segregation. Functions by binding with its tail domain to receptor proteins on organelles and exerting force with its N-terminal motor domain against actin filaments, thereby transporting its cargo along polarized actin cables. Contributes to the trafficking of Golgi stacks, mitochondria and peroxisomes. Required for development of pavement cells, trichomes, and stigmatic papillae. (1520 aa) | ||||
ADF1 | Actin-depolymerizing factor 1; Actin-depolymerizing protein. Stimulates F-actin depolymerization. Involved in plant development, cell organ expansion and flowering by controlling breakdown of thick actin cables. Severs actin filaments or bundles and promotes actin cytoskeleton disassembly. Binds monomeric actin (G- actin) with a marked preference for the ADP-loaded form and inhibits the rate of nucleotide exchange on G-actin. (139 aa) | ||||
ADF2 | Actin-depolymerizing factor 2; Actin-depolymerizing protein. Severs actin filaments (F- actin) and binds to actin monomers. Required for normal cell growth, plant development, cell organ expansion and flowering. Essential for root-knot nematode infection. (137 aa) | ||||
PRF2 | Profilin-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) | ||||
PRF1 | Profilin-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) | ||||
PLIM2C | LIM domain-containing protein PLIM2c; Binds to actin filaments and promotes cross-linking into thick bundles. Has an actin-stabilizing activity. Associates predominantly with long and dynamic actin bundles in the shank of growing pollen tubes. The actin regulatory activities are inhibited by pH > 6.8 and/or high [Ca(2+)]. (213 aa) | ||||
SCAB3 | Stomatal closure-related actin-binding protein 3; Probable plant-specific actin binding protein that bundles and stabilizes microfilaments (MFs). (490 aa) | ||||
ADF8 | Actin-depolymerizing factor 8; Actin-depolymerizing protein. Severs actin filaments (F- actin) and binds to actin monomers. (140 aa) | ||||
SCAR4 | Protein 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) | ||||
XI-G | Myosin-13; Myosin heavy chain that is required for the cell cycle- regulated transport of various organelles and proteins for their segregation. Functions by binding with its tail domain to receptor proteins on organelles and exerting force with its N-terminal motor domain against actin filaments, thereby transporting its cargo along polarized actin cables (By similarity); Belongs to the TRAFAC class myosin-kinesin ATPase superfamily. Myosin family. Plant myosin class XI subfamily. (1493 aa) | ||||
SCAR2 | Protein 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) | ||||
FIM1 | Fimbrin-1; Cross-links actin filaments (F-actin) in a calcium independent manner. Induces the formation of actin aggregates. Stabilizes and prevents F-actin depolymerization mediated by profilin. Key regulator of actin cytoarchitecture, probably involved in cell cycle, cell division, cell elongation and cytoplasmic tractus. (687 aa) | ||||
SCAR1 | Protein 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) | ||||
ADF7 | Actin-depolymerizing factor 7; Actin-depolymerizing protein. Severs actin filaments (F- actin) and binds to actin monomers. Binds monomeric actin (G-actin) with a marked preference for the ADP-loaded form and inhibits the rate of nucleotide exchange on G-actin. Required for pollen tube growth. Promotes turnover of longitudinal actin cables by severing actin filaments in pollen tubes. (137 aa) | ||||
ARPC2B | Actin-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) | ||||
XI-D | Myosin-10; Myosin heavy chain that is required for the cell cycle- regulated transport of various organelles and proteins for their segregation. Functions by binding with its tail domain to receptor proteins on organelles and exerting force with its N-terminal motor domain against actin filaments, thereby transporting its cargo along polarized actin cables (By similarity). (1770 aa) | ||||
PLIM2B | LIM domain-containing protein PLIM2b; Binds to actin filaments and promotes cross-linking into thick bundles. Has an actin-stabilizing activity. The actin regulatory activities are inhibited by pH > 6.8 but are [Ca(2+)] independent. (205 aa) | ||||
ARPC3 | Actin-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) | ||||
XI-H | Myosin-14; Myosin heavy chain that is required for the cell cycle- regulated transport of various organelles and proteins for their segregation. Functions by binding with its tail domain to receptor proteins on organelles and exerting force with its N-terminal motor domain against actin filaments, thereby transporting its cargo along polarized actin cables (By similarity); Belongs to the TRAFAC class myosin-kinesin ATPase superfamily. Myosin family. Plant myosin class XI subfamily. (1516 aa) | ||||
ARPC4 | Actin-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) | ||||
VIII-2 | Myosin-2; Myosin heavy chain that is required for the cell cycle- regulated transport of various organelles and proteins for their segregation. Functions by binding with its tail domain to receptor proteins on organelles and exerting force with its N-terminal motor domain against actin filaments, thereby transporting its cargo along polarized actin cables (By similarity). Involved in endocytosis via its action in endosomal trafficking; Belongs to the TRAFAC class myosin-kinesin ATPase superfamily. Myosin family. Plant myosin class VIII subfamily. (1220 aa) | ||||
VIII-B | Myosin-4; Myosin heavy chain that is required for the cell cycle- regulated transport of various organelles and proteins for their segregation. Functions by binding with its tail domain to receptor proteins on organelles and exerting force with its N-terminal motor domain against actin filaments, thereby transporting its cargo along polarized actin cables (By similarity). (1134 aa) | ||||
XI-K | Myosin-17; Myosin heavy chain that is required for the cell cycle- regulated transport of various organelles and proteins for their segregation. Functions by binding with its tail domain to receptor proteins on organelles and exerting force with its N-terminal motor domain against actin filaments, thereby transporting its cargo along polarized actin cables. Involved in the tip growth of root hair cells and in the elongation of trichome stalk and branches. Plays a major role in trafficking of Golgi stacks, mitochondria and peroxisomes during root hair development. Acts as the primary co [...] (1531 aa) | ||||
WLIN2A | LIM domain-containing protein WLIM2a; Binds to actin filaments and promotes cross-linking into thick bundles. Has an actin-stabilizing activity. The actin regulatory activities are not regulated by pH and [Ca(2+)]. (200 aa) | ||||
SCAB1 | Stomatal closure-related actin-binding protein 1; Plant-specific actin binding protein that bundles and stabilizes microfilaments (MFs). Has no nucleation or capping activity. Regulates MF reorganization during stomatal closure. The binding to F- actin is insensitive to Ca(2+) and pH. Binds weakly to inositol phosphates ; Belongs to the SCAB family. (496 aa) | ||||
ADF9 | Actin-depolymerizing factor 9; Does not display typical F-actin depolymerizing activity. Exhibits a high ability to stabilize and cross-link actin filaments. Functions as an actin bundling protein with the highest efficiency under acidic conditions. May play a role in the modulation of levels of histone H3 lysine 4 trimethylation and H3 lysine 9 and 14 acetylation at the FLC locus. Belongs to the actin-binding proteins ADF family. (141 aa) | ||||
FIM2 | Fimbrin-2; Cross-links actin filaments (F-actin). Stabilizes and prevents F-actin depolymerization mediated by profilin. May regulate actin cytoarchitecture, cell cycle, cell division, cell elongation and cytoplasmic tractus. (654 aa) | ||||
WLIM1 | LIM domain-containing protein WLIM1; Binds to actin filaments and promotes cross-linking into thick bundles. Has an actin-stabilizing activity. The actin regulatory activities are not regulated by pH and [Ca(2+)]. (190 aa) | ||||
ARPC2A | Actin-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) | ||||
ADF12 | Actin-depolymerizing factor 12; Actin-depolymerizing protein. Severs actin filaments (F- actin) and binds to actin monomers; Belongs to the actin-binding proteins ADF family. (137 aa) | ||||
PRF3 | Profilin-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) | ||||
FIM3 | Fimbrin-3; Cross-links actin filaments (F-actin). Stabilizes and prevents F-actin depolymerization mediated by profilin. May regulate actin cytoarchitecture, cell cycle, cell division, cell elongation and cytoplasmic tractus. (714 aa) | ||||
FIM5 | Fimbrin-5; Cross-links actin filaments (F-actin) in a calcium independent manner. Induces the formation of actin bundles. Stabilizes and prevents F-actin depolymerization mediated by latrunculin B (LatB). (687 aa) | ||||
VIII-1 | Myosin-1; Myosin heavy chain that is required for the cell cycle- regulated transport of various organelles and proteins for their segregation. Functions by binding with its tail domain to receptor proteins on organelles and exerting force with its N-terminal motor domain against actin filaments, thereby transporting its cargo along polarized actin cables (By similarity). Involved in endocytosis via its action in endosomal trafficking. (1166 aa) | ||||
XI-2 | Myosin-6; Myosin heavy chain that is required for the cell cycle- regulated transport of various organelles and proteins for their segregation. Functions by binding with its tail domain to receptor proteins on organelles and exerting force with its N-terminal motor domain against actin filaments, thereby transporting its cargo along polarized actin cables. Involved in the tip growth of root hair cells. Plays a major role in trafficking of Golgi stacks, mitochondria and peroxisomes during root hair development. Targets the peroxisome through an interaction with RABC2A. Required for deve [...] (1505 aa) | ||||
SCAR3 | Protein 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) | ||||
ADF10 | Actin-depolymerizing factor 10; Actin-depolymerizing protein. Severs actin filaments (F- actin) and binds to actin monomers; Belongs to the actin-binding proteins ADF family. (140 aa) | ||||
ARP2-2 | Actin-related protein 2; Functions as ATP-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 pointed end of the daughter actin filament (By similarity). Arp2/3 complex plays a critical role in the control of cell morphogenesis via the modulation of cell polarity development. Involved in the control of cell morphogenesis in leaf epidermal pavement cells, root hairs, hypocotyls epidermal cells and trichomes, [...] (389 aa) | ||||
AIP1-2 | Actin-interacting protein 1-2; Binds actin. Enhances the F-actin depolymerization activity of actin-depolymerizing factor (ADF) proteins. (609 aa) | ||||
VLN5 | Villin-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) | ||||
ADF11 | Putative actin-depolymerizing factor 11; Actin-depolymerizing protein. Severs actin filaments (F- actin) and binds to actin monomers; Belongs to the actin-binding proteins ADF family. (133 aa) | ||||
WLIM2B | LIM domain-containing protein WLIM2b; Binds to actin filaments and promotes cross-linking into thick bundles. Has an actin-stabilizing activity. The actin regulatory activities are not regulated by pH and [Ca(2+)]. (199 aa) | ||||
ARPC5A | Actin-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) | ||||
XI-J | Myosin-16; Myosin heavy chain that is required for the cell cycle- regulated transport of various organelles and proteins for their segregation. Functions by binding with its tail domain to receptor proteins on organelles and exerting force with its N-terminal motor domain against actin filaments, thereby transporting its cargo along polarized actin cables (By similarity); Belongs to the TRAFAC class myosin-kinesin ATPase superfamily. Myosin family. Plant myosin class XI subfamily. (1242 aa) | ||||
CPB | Probable 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) | ||||
ARP3 | Actin-related protein 3; Functions as ATP-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 pointed end of the daughter actin filament (By similarity). Arp2/3 complex plays a critical role in the control of cell morphogenesis via the modulation of cell polarity development. Involved in the control of cell morphogenesis in leaf epidermal pavement cells, root hairs, hypocotyls epidermal cells and trichomes, [...] (427 aa) | ||||
FIM4 | Fimbrin-4; Cross-links actin filaments (F-actin). Stabilizes and prevents F-actin depolymerization mediated by profilin. May regulate actin cytoarchitecture, cell cycle, cell division, cell elongation and cytoplasmic tractus. (652 aa) | ||||
ARPC1B | Actin-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) | ||||
ADF5 | Actin-depolymerizing factor 5; Actin-depolymerizing protein. Severs actin filaments (F- actin) and binds to actin monomers. (143 aa) | ||||
ADF6 | Actin-depolymerizing factor 6; Actin-depolymerizing protein. Severs actin filaments (F- actin) and binds to actin monomers. (146 aa) | ||||
ADF4 | Actin-depolymerizing factor 4; Actin-depolymerizing protein. Severs actin filaments (F- actin) and binds to actin monomers. Contributes to the stochastic dynamic turnover of actin filaments. Binds monomeric actin (G-actin) with a marked preference for the ADP-loaded form and inhibits the rate of nucleotide exchange on G-actin. Involved in resistance triggered by the effector AvrPphB of Pseudomonas syringae pv tomato (Pst). May modulate the AvrPphB-RPS5-mediated defense signal transduction pathway. During AvrPphB-triggered resistance signaling pathway, involved in the control of MPK3 an [...] (139 aa) | ||||
ADF3 | Actin-depolymerizing factor 3; Actin-depolymerizing protein. Severs actin filaments (F- actin) and binds to actin monomers. (139 aa) | ||||
AIP1-1 | Actin-interacting protein 1-1; Binds actin. Enhances the F-actin depolymerization activity of actin-depolymerizing factor (ADF) proteins. (611 aa) | ||||
XI-I | Myosin-15; Myosin heavy chain that is required for the cell cycle- regulated transport of various organelles and proteins for their segregation. Functions by binding with its tail domain to receptor proteins on organelles and exerting force with its N-terminal motor domain against actin filaments, thereby transporting its cargo along polarized actin cables. Involved in trafficking of Golgi stacks and mitochondria. Plays a role in nuclear shape determination. Drives nuclear movement along actin filaments. As component of the SUN-WIP-WIT2-KAKU1 complex, mediates the transfer of cytoplasm [...] (1522 aa) | ||||
VLN4 | Villin-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) | ||||
CAP1 | Cyclase-associated protein 1; Actin monomer binding protein that accelerates the exchange of ADP for ATP. Regulates the pool of unpolymerized ATP-actin. Key intermediate between actin-depolymerizing factor (ADF)-mediated disassembly and the profilin-based nucleation and elongation machinery. Belongs to the CAP family. (476 aa) | ||||
PLIM2A | LIM domain-containing protein PLIM2a; Binds to actin filaments and promotes cross-linking into thick bundles. Has an actin-stabilizing activity. The actin regulatory activities are inhibited by pH > 6.8 but are [Ca(2+)] independent. (226 aa) | ||||
ARPC1A | Actin-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) | ||||
VLN1 | Villin-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) | ||||
VLN2 | Villin-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) | ||||
VLN3 | Villin-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-2 | F-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) | ||||
XI-F | Myosin-12; Myosin heavy chain that is required for the cell cycle- regulated transport of various organelles and proteins for their segregation. Functions by binding with its tail domain to receptor proteins on organelles and exerting force with its N-terminal motor domain against actin filaments, thereby transporting its cargo along polarized actin cables (By similarity). (1556 aa) | ||||
SCAB2 | Stomatal closure-related actin-binding protein 2; Probable plant-specific actin binding protein that bundles and stabilizes microfilaments (MFs). (492 aa) | ||||
F8D11.8 | P-loop containing nucleoside triphosphate hydrolases superfamily protein; Belongs to the TRAFAC class myosin-kinesin ATPase superfamily. Myosin family. (170 aa) | ||||
XI-A | Myosin-7; Myosin heavy chain that is required for the cell cycle- regulated transport of various organelles and proteins for their segregation. Functions by binding with its tail domain to receptor proteins on organelles and exerting force with its N-terminal motor domain against actin filaments, thereby transporting its cargo along polarized actin cables (By similarity); Belongs to the TRAFAC class myosin-kinesin ATPase superfamily. Myosin family. Plant myosin class XI subfamily. (1730 aa) | ||||
VIII-A | Myosin-3; Myosin heavy chain that is required for the cell cycle- regulated transport of various organelles and proteins for their segregation. Functions by binding with its tail domain to receptor proteins on organelles and exerting force with its N-terminal motor domain against actin filaments, thereby transporting its cargo along polarized actin cables (By similarity). (1153 aa) | ||||
XI-B | Myosin-8; Myosin heavy chain that is required for the cell cycle- regulated transport of various organelles and proteins for their segregation. Functions by binding with its tail domain to receptor proteins on organelles and exerting force with its N-terminal motor domain against actin filaments, thereby transporting its cargo along polarized actin cables; Belongs to the TRAFAC class myosin-kinesin ATPase superfamily. Myosin family. Plant myosin class XI subfamily. (1500 aa) | ||||
XI-C | Myosin-9; Myosin heavy chain that is required for the cell cycle- regulated transport of various organelles and proteins for their segregation. Functions by binding with its tail domain to receptor proteins on organelles and exerting force with its N-terminal motor domain against actin filaments, thereby transporting its cargo along polarized actin cables. Involved in trafficking of Golgi stacks and mitochondria; Belongs to the TRAFAC class myosin-kinesin ATPase superfamily. Myosin family. Plant myosin class XI subfamily. (1538 aa) | ||||
XI-E | Myosin-11; Myosin heavy chain that is required for the cell cycle- regulated transport of various organelles and proteins for their segregation. Functions by binding with its tail domain to receptor proteins on organelles and exerting force with its N-terminal motor domain against actin filaments, thereby transporting its cargo along polarized actin cables. Involved in trafficking of Golgi stacks, mitochondria and peroxisomes. (1529 aa) | ||||
ARPC5B | Actin-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) | ||||
PRF4 | Profilin-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) | ||||
PRF5 | Profilin-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) |