Protein ACTIVITY OF BC1 COMPLEX KINASE 1, chloroplastic; Kinase that can phosphorylate the tocopherol cyclase VTE1, a key enzyme of tocopherol (vitamin E) metabolism and involved in the recycling of oxidated alpha-tocopherol quinone, possibly stabilizing it at plastoglobules. Regulates also plastoglobule protein composition. Prevents photodamage of chloroplasts under continuous red light, thus working in opposition to ABC1K3. Together with ABC1K1, contributes to plastoglobule (PG) function in prenyl-lipid metabolism, stress response, and thylakoid remodeling. Involved in chlorophyll de [...]

Rac-like GTP-binding protein ARAC10; Involved in local disassembly of cortical microtubules when associated with ICR5 and KIN13A; Belongs to the small GTPase superfamily. Rho family.

Protein ACTIVITY OF BC1 COMPLEX KINASE 1, chloroplastic; Kinase that can phosphorylate the tocopherol cyclase VTE1, a key enzyme of tocopherol (vitamin E) metabolism and involved in the recycling of oxidated alpha-tocopherol quinone, possibly stabilizing it at plastoglobules. Regulates also plastoglobule protein composition. Prevents photodamage of chloroplasts under continuous red light, thus working in opposition to ABC1K3. Together with ABC1K1, contributes to plastoglobule (PG) function in prenyl-lipid metabolism, stress response, and thylakoid remodeling. Involved in chlorophyll de [...]

Glutamyl-tRNA (Gln) amidotransferase subunit A (DUF620).

Protein ACTIVITY OF BC1 COMPLEX KINASE 1, chloroplastic; Kinase that can phosphorylate the tocopherol cyclase VTE1, a key enzyme of tocopherol (vitamin E) metabolism and involved in the recycling of oxidated alpha-tocopherol quinone, possibly stabilizing it at plastoglobules. Regulates also plastoglobule protein composition. Prevents photodamage of chloroplasts under continuous red light, thus working in opposition to ABC1K3. Together with ABC1K1, contributes to plastoglobule (PG) function in prenyl-lipid metabolism, stress response, and thylakoid remodeling. Involved in chlorophyll de [...]

Lipase (DUF620).

Protein ACTIVITY OF BC1 COMPLEX KINASE 1, chloroplastic; Kinase that can phosphorylate the tocopherol cyclase VTE1, a key enzyme of tocopherol (vitamin E) metabolism and involved in the recycling of oxidated alpha-tocopherol quinone, possibly stabilizing it at plastoglobules. Regulates also plastoglobule protein composition. Prevents photodamage of chloroplasts under continuous red light, thus working in opposition to ABC1K3. Together with ABC1K1, contributes to plastoglobule (PG) function in prenyl-lipid metabolism, stress response, and thylakoid remodeling. Involved in chlorophyll de [...]

Replication factor C subunit, putative (DUF620).

Protein ACTIVITY OF BC1 COMPLEX KINASE 1, chloroplastic; Kinase that can phosphorylate the tocopherol cyclase VTE1, a key enzyme of tocopherol (vitamin E) metabolism and involved in the recycling of oxidated alpha-tocopherol quinone, possibly stabilizing it at plastoglobules. Regulates also plastoglobule protein composition. Prevents photodamage of chloroplasts under continuous red light, thus working in opposition to ABC1K3. Together with ABC1K1, contributes to plastoglobule (PG) function in prenyl-lipid metabolism, stress response, and thylakoid remodeling. Involved in chlorophyll de [...]

DUF620 family protein (DUF620).

Protein ACTIVITY OF BC1 COMPLEX KINASE 1, chloroplastic; Kinase that can phosphorylate the tocopherol cyclase VTE1, a key enzyme of tocopherol (vitamin E) metabolism and involved in the recycling of oxidated alpha-tocopherol quinone, possibly stabilizing it at plastoglobules. Regulates also plastoglobule protein composition. Prevents photodamage of chloroplasts under continuous red light, thus working in opposition to ABC1K3. Together with ABC1K1, contributes to plastoglobule (PG) function in prenyl-lipid metabolism, stress response, and thylakoid remodeling. Involved in chlorophyll de [...]

Interactor of constitutive active ROPs 5; ROP effector binding specifically activated ROPs and linking them to the microtubule cytoskeleton. Involved in ROP-regulated polar growth. Involved in local disassembly of cortical microtubules when associated with ARAC10 and KIN13A and conversely mediates also the elimination of ARAC10 from the plasma membrane by the cortical microtubules. Accumulates at the plus end of shrinking microtubules. Targets KIN13A to microtubules.

Protein ACTIVITY OF BC1 COMPLEX KINASE 1, chloroplastic; Kinase that can phosphorylate the tocopherol cyclase VTE1, a key enzyme of tocopherol (vitamin E) metabolism and involved in the recycling of oxidated alpha-tocopherol quinone, possibly stabilizing it at plastoglobules. Regulates also plastoglobule protein composition. Prevents photodamage of chloroplasts under continuous red light, thus working in opposition to ABC1K3. Together with ABC1K1, contributes to plastoglobule (PG) function in prenyl-lipid metabolism, stress response, and thylakoid remodeling. Involved in chlorophyll de [...]

Kinesin-like protein KIN-13A; Internal motor kinesin involved in trichome morphogenesis. Participates in regulating the formation of Golgi- associated vesicles. Plays a central role in microtubule disassembly via the active ARAC10-ICR5 cascade, which establishes the secondary cell wall pattern in metaxylem vessel cells. Acts redundantly with KIN13B to modulate cell wall synthesis and cell expansion via the THE1 pathway.

Protein ACTIVITY OF BC1 COMPLEX KINASE 1, chloroplastic; Kinase that can phosphorylate the tocopherol cyclase VTE1, a key enzyme of tocopherol (vitamin E) metabolism and involved in the recycling of oxidated alpha-tocopherol quinone, possibly stabilizing it at plastoglobules. Regulates also plastoglobule protein composition. Prevents photodamage of chloroplasts under continuous red light, thus working in opposition to ABC1K3. Together with ABC1K1, contributes to plastoglobule (PG) function in prenyl-lipid metabolism, stress response, and thylakoid remodeling. Involved in chlorophyll de [...]

Replication factor C subunit, putative (DUF620).

Protein ACTIVITY OF BC1 COMPLEX KINASE 1, chloroplastic; Kinase that can phosphorylate the tocopherol cyclase VTE1, a key enzyme of tocopherol (vitamin E) metabolism and involved in the recycling of oxidated alpha-tocopherol quinone, possibly stabilizing it at plastoglobules. Regulates also plastoglobule protein composition. Prevents photodamage of chloroplasts under continuous red light, thus working in opposition to ABC1K3. Together with ABC1K1, contributes to plastoglobule (PG) function in prenyl-lipid metabolism, stress response, and thylakoid remodeling. Involved in chlorophyll de [...]

Rho GTPase-activating protein 3; Acts as a GTPase activator for the Rac-type GTPase by converting it to an inactive GDP-bound state. Involved in secondary wall pattern formation. In association with ROPGEF4, mediates local activation of ARAC10/ROP11 to initiate the distinct pattern of secondary cell walls in xylem cells.

Protein ACTIVITY OF BC1 COMPLEX KINASE 1, chloroplastic; Kinase that can phosphorylate the tocopherol cyclase VTE1, a key enzyme of tocopherol (vitamin E) metabolism and involved in the recycling of oxidated alpha-tocopherol quinone, possibly stabilizing it at plastoglobules. Regulates also plastoglobule protein composition. Prevents photodamage of chloroplasts under continuous red light, thus working in opposition to ABC1K3. Together with ABC1K1, contributes to plastoglobule (PG) function in prenyl-lipid metabolism, stress response, and thylakoid remodeling. Involved in chlorophyll de [...]

Rop guanine nucleotide exchange factor 4; Guanine-nucleotide exchange factor (GEF) that acts as an activator of Rop (Rho of plants) GTPases by promoting the exchange of GDP for GTP. In association with ROPGEF1, acts as specific regulator of ARAC10/ROP11 function in ABA-mediated stomatal closure.

Protein ACTIVITY OF BC1 COMPLEX KINASE 1, chloroplastic; Kinase that can phosphorylate the tocopherol cyclase VTE1, a key enzyme of tocopherol (vitamin E) metabolism and involved in the recycling of oxidated alpha-tocopherol quinone, possibly stabilizing it at plastoglobules. Regulates also plastoglobule protein composition. Prevents photodamage of chloroplasts under continuous red light, thus working in opposition to ABC1K3. Together with ABC1K1, contributes to plastoglobule (PG) function in prenyl-lipid metabolism, stress response, and thylakoid remodeling. Involved in chlorophyll de [...]

WEB family protein.

Protein ACTIVITY OF BC1 COMPLEX KINASE 1, chloroplastic; Kinase that can phosphorylate the tocopherol cyclase VTE1, a key enzyme of tocopherol (vitamin E) metabolism and involved in the recycling of oxidated alpha-tocopherol quinone, possibly stabilizing it at plastoglobules. Regulates also plastoglobule protein composition. Prevents photodamage of chloroplasts under continuous red light, thus working in opposition to ABC1K3. Together with ABC1K1, contributes to plastoglobule (PG) function in prenyl-lipid metabolism, stress response, and thylakoid remodeling. Involved in chlorophyll de [...]

Lipase, putative (DUF620).

Protein ACTIVITY OF BC1 COMPLEX KINASE 1, chloroplastic; Kinase that can phosphorylate the tocopherol cyclase VTE1, a key enzyme of tocopherol (vitamin E) metabolism and involved in the recycling of oxidated alpha-tocopherol quinone, possibly stabilizing it at plastoglobules. Regulates also plastoglobule protein composition. Prevents photodamage of chloroplasts under continuous red light, thus working in opposition to ABC1K3. Together with ABC1K1, contributes to plastoglobule (PG) function in prenyl-lipid metabolism, stress response, and thylakoid remodeling. Involved in chlorophyll de [...]

C-type mannose receptor (DUF620).

Rac-like GTP-binding protein ARAC1; Inactive GDP-bound Rho GTPases reside in the cytosol, are found in a complex with Rho GDP-dissociation inhibitors (Rho GDIs), and are released from the GDI protein in order to translocate to membranes upon activation.

Auxin-binding protein 1; Auxin receptor that controls cell elongation and cell division. Involved in embryonic morphogenesis. Acts on the cell cycle, endocycle, cell plate formation, and cell expansion and contributes to the control of auxin-related gene expression. Controls root meristem size and mediates auxin responsiveness. Involved in activation of ROP GTPases in response to auxin and regulation of clathrin-mediated endocytosis in roots. Acts as a positive factor in clathrin recruitment to the plasma membrane, thereby promoting endocytosis. Upon auxin binding, restricts the intern [...]

Rac-like GTP-binding protein ARAC1; Inactive GDP-bound Rho GTPases reside in the cytosol, are found in a complex with Rho GDP-dissociation inhibitors (Rho GDIs), and are released from the GDI protein in order to translocate to membranes upon activation.

Rho GDP-dissociation inhibitor 1; Regulates the GDP/GTP exchange reaction of the Rho proteins by inhibiting the dissociation of GDP from them, and the subsequent binding of GTP to them.

Rac-like GTP-binding protein ARAC1; Inactive GDP-bound Rho GTPases reside in the cytosol, are found in a complex with Rho GDP-dissociation inhibitors (Rho GDIs), and are released from the GDI protein in order to translocate to membranes upon activation.

Interactor of constitutive active ROPs 1; Acts as a scaffold, mediating interaction of ROPs with different proteins. Required for primary and adventitious root maintenance, but not for their formation. Promotes the stabilization of ARAC11 on the plasma membrane of the pollen tube initiation site but not the activation of ARAC11. Regulates directionality of polar auxin transport, and is required for the formation of a stable auxin maximum and tip localized auxin gradient during embryogenesis, organogenesis, and meristem activity. Involved in exocytosis and in the recycling of PIN protei [...]

Rac-like GTP-binding protein ARAC1; Inactive GDP-bound Rho GTPases reside in the cytosol, are found in a complex with Rho GDP-dissociation inhibitors (Rho GDIs), and are released from the GDI protein in order to translocate to membranes upon activation.

Pollen receptor-like kinase 2; Receptor-like kinase involved in the control of pollen germination and pollen tube polar growth. Phosphorylates ROPGEF1 in its C-terminal region, releasing its auto-inhibition, and thereby activating the ROP1 signaling pathway. May act as a scaffolding protein, recruiting ROPGEF12 to the plasma membrane by binding to its C-terminal domain. Phosphorylates ROPGEF12, releasing its auto- inhibition.

Rac-like GTP-binding protein ARAC1; Inactive GDP-bound Rho GTPases reside in the cytosol, are found in a complex with Rho GDP-dissociation inhibitors (Rho GDIs), and are released from the GDI protein in order to translocate to membranes upon activation.

CRIB domain-containing protein RIC1; 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 cortical microtubule organization. Promotes microtubule bundling and formation of well-ordered microtubule arrays in the neck region of pavement cells. This restricts cell lateral expansion to generate the narrow neck morphology of pavement cells. Its function is inhibited when it interacts with activated ARAC4/ROP2. Represses ARAC4/ROP2 activatio [...]

Rac-like GTP-binding protein ARAC1; Inactive GDP-bound Rho GTPases reside in the cytosol, are found in a complex with Rho GDP-dissociation inhibitors (Rho GDIs), and are released from the GDI protein in order to translocate to membranes upon activation.

CRIB 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.

Rac-like GTP-binding protein ARAC1; Inactive GDP-bound Rho GTPases reside in the cytosol, are found in a complex with Rho GDP-dissociation inhibitors (Rho GDIs), and are released from the GDI protein in order to translocate to membranes upon activation.

CRIB 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 [...]