Serine/threonine-protein kinase-like protein ACR4; Controls formative cell division in meristems, including root tips and lateral root initiation zones of the pericycle, in response to CLE40 signal. Acts with CLE40p peptide as a ligand-receptor pair in a signal transduction pathway, coordinating movement of the root tip and organization of cell divisions in the root meristem. Required during embryogenesis and development, probably for the differentiation of protoderm and epidermal cells. Involved in the regulation of cellular organization during the development of sepal margins and ovu [...]

Receptor protein kinase CLAVATA1; Involved in the detection of CLV3 and CLV3-like (CLE) peptides, that act as extracellular signals regulating meristem maintenance. Acts with CLV3p as a ligand-receptor pair in a signal transduction pathway coordinating growth between adjacent meristematic regions and controlling the balance between meristem cell proliferation and differentiation; Belongs to the protein kinase superfamily. Ser/Thr protein kinase family.

Histidine kinase 5; Functions as a histidine kinase and transmits the stress signal to a downstream MAPK cascade. This protein undergoes an ATP- dependent autophosphorylation at a conserved histidine residue in the kinase core, and a phosphoryl group is then transferred to a conserved aspartate residue in the receiver domain. Negative regulator of the ETR1-dependent abscisic acid (ABA) and ethylene signaling pathway that inhibits the root elongation. Promotes stomatal closure. Regulates stomatal opening by integrating multiple signals via hydrogen peroxide H(2)O(2) homeostasis in guard [...]

Two-component response regulator ARR4; Functions as response regulator involved in His-to-Asp phosphorelay signal transduction system. Phosphorylation of the Asp residue in the receiver domain activates the ability of the protein to promote the transcription of target genes. Type-A response regulators seem to act as negative regulators of the cytokinin signaling. Modulates red light signaling through its interaction with the phytochrome B photoreceptor.

Histidine kinase 5; Functions as a histidine kinase and transmits the stress signal to a downstream MAPK cascade. This protein undergoes an ATP- dependent autophosphorylation at a conserved histidine residue in the kinase core, and a phosphoryl group is then transferred to a conserved aspartate residue in the receiver domain. Negative regulator of the ETR1-dependent abscisic acid (ABA) and ethylene signaling pathway that inhibits the root elongation. Promotes stomatal closure. Regulates stomatal opening by integrating multiple signals via hydrogen peroxide H(2)O(2) homeostasis in guard [...]

[Pyruvate dehydrogenase (acetyl-transferring)] kinase, mitochondrial; Serine protein kinase that inhibits the mitochondrial pyruvate dehydrogenase (PDH) complex (mtPDC) by phosphorylation of the E1 alpha subunit on Ser residues, thus contributing to the regulation of glucose metabolism.

Mitogen-activated protein kinase kinase kinase ANP1; May be involved in an oxidative stress-mediated signaling cascade that phosphorylates downstream MAP kinases MPK3 and MPK6. May suppress auxin signaling that promotes cell cycle. Functionally redundant to ANP2 and ANP3 in the positive regulation of cytokinesis.

Mitogen-activated protein kinase kinase 9; MKK9-MPK3/MPK6 module phosphorylates and activates EIN3, leading to the promotion of EIN3-mediated transcription in ethylene signaling. Autophosphorylates and also phosphorylates MPK3 and MPK6. Plays an important role in ethylene and camalexin biosynthesis and in salt stress response. MKK9-MPK6 module positively regulates leaf senescence.

Mitogen-activated protein kinase kinase kinase ANP1; May be involved in an oxidative stress-mediated signaling cascade that phosphorylates downstream MAP kinases MPK3 and MPK6. May suppress auxin signaling that promotes cell cycle. Functionally redundant to ANP2 and ANP3 in the positive regulation of cytokinesis.

Mitogen-activated protein kinase 12; Negative regulator of the auxin transduction signaling pathway. Involved in stomatal movement regulation by phosphorylating and repressing HT1 and HT1-mediated GHR1 phosphorylation. Required for CO(2)- mediated stomatal movements (e.g. closure). Belongs to the protein kinase superfamily. CMGC Ser/Thr protein kinase family. MAP kinase subfamily.

Mitogen-activated protein kinase kinase kinase 3; Involved in cortical microtubules organization and stabilization by regulating the phosphorylation state of microtubule- associated proteins such as MAP65-1; Belongs to the protein kinase superfamily. STE Ser/Thr protein kinase family. MAP kinase kinase kinase subfamily.

Mitogen-activated protein kinase kinase 9; MKK9-MPK3/MPK6 module phosphorylates and activates EIN3, leading to the promotion of EIN3-mediated transcription in ethylene signaling. Autophosphorylates and also phosphorylates MPK3 and MPK6. Plays an important role in ethylene and camalexin biosynthesis and in salt stress response. MKK9-MPK6 module positively regulates leaf senescence.

Mitogen-activated protein kinase kinase kinase 3; Involved in cortical microtubules organization and stabilization by regulating the phosphorylation state of microtubule- associated proteins such as MAP65-1; Belongs to the protein kinase superfamily. STE Ser/Thr protein kinase family. MAP kinase kinase kinase subfamily.

Mitogen-activated protein kinase 12; Negative regulator of the auxin transduction signaling pathway. Involved in stomatal movement regulation by phosphorylating and repressing HT1 and HT1-mediated GHR1 phosphorylation. Required for CO(2)- mediated stomatal movements (e.g. closure). Belongs to the protein kinase superfamily. CMGC Ser/Thr protein kinase family. MAP kinase subfamily.

Receptor-like protein kinase ANXUR1; Receptor-like protein kinase that controls pollen tube behavior by directing rupture at proper timing to release the sperm cell.

Calcium-dependent protein kinase 14; May play a role in signal transduction pathways that involve calcium as a second messenger.

Receptor-like protein kinase ANXUR2; Receptor-like protein kinase that controls pollen tube behavior by directing rupture at proper timing to release the sperm cell.

Calcium-dependent protein kinase 14; May play a role in signal transduction pathways that involve calcium as a second messenger.

Receptor-like protein kinase ANXUR2; Receptor-like protein kinase that controls pollen tube behavior by directing rupture at proper timing to release the sperm cell.

Calcium-dependent protein kinase 24; May play a role in signal transduction pathways that involve calcium as a second messenger; Belongs to the protein kinase superfamily. Ser/Thr protein kinase family. CDPK subfamily.

Receptor-like protein kinase ANXUR2; Receptor-like protein kinase that controls pollen tube behavior by directing rupture at proper timing to release the sperm cell.

Probable receptor-like protein kinase At2g21480.

Two-component response regulator ARR4; Functions as response regulator involved in His-to-Asp phosphorelay signal transduction system. Phosphorylation of the Asp residue in the receiver domain activates the ability of the protein to promote the transcription of target genes. Type-A response regulators seem to act as negative regulators of the cytokinin signaling. Modulates red light signaling through its interaction with the phytochrome B photoreceptor.

Histidine kinase 5; Functions as a histidine kinase and transmits the stress signal to a downstream MAPK cascade. This protein undergoes an ATP- dependent autophosphorylation at a conserved histidine residue in the kinase core, and a phosphoryl group is then transferred to a conserved aspartate residue in the receiver domain. Negative regulator of the ETR1-dependent abscisic acid (ABA) and ethylene signaling pathway that inhibits the root elongation. Promotes stomatal closure. Regulates stomatal opening by integrating multiple signals via hydrogen peroxide H(2)O(2) homeostasis in guard [...]

Shaggy-related protein kinase eta; Negative regulator in brassinosteroid signal transduction pathway important for plant growth. May be also involved in auxin signaling pathway. Phosphorylates and increases the degradation of BZR1 and BZR2/BES1 by the proteasome. Phosphorylates BHLH150, beet curly top virus C4 and tomato golden mosaic virus AC4 on threonine and serine residues. Upon brassinosteroid signaling, inhibits stomatal development by phosphorylating and inhibiting the MAPKK kinase YDA and the MAPK kinases MKK4 and MKK5. Phosphorylates BSK1, BSK3, BSK5, BSK6, BSK8 AND BSK11 in v [...]

Shaggy-related protein kinase iota; Phosphorylates BSK1, BSK3, BSK5, BSK6, BSK8 AND BSK11 in vitro. May mediate extracellular signals to regulate transcription in differentiating cells (By similarity).

Shaggy-related protein kinase eta; Negative regulator in brassinosteroid signal transduction pathway important for plant growth. May be also involved in auxin signaling pathway. Phosphorylates and increases the degradation of BZR1 and BZR2/BES1 by the proteasome. Phosphorylates BHLH150, beet curly top virus C4 and tomato golden mosaic virus AC4 on threonine and serine residues. Upon brassinosteroid signaling, inhibits stomatal development by phosphorylating and inhibiting the MAPKK kinase YDA and the MAPK kinases MKK4 and MKK5. Phosphorylates BSK1, BSK3, BSK5, BSK6, BSK8 AND BSK11 in v [...]

Cryptochrome-1; Photoreceptor that mediates primarily blue light inhibition of hypocotyl elongation and photoperiodic control of floral initiation, and regulates other light responses, including circadian rhythms, tropic growth, stomata opening, guard cell development, root development, bacterial and viral pathogen responses, abiotic stress responses, cell cycles, programmed cell death, apical dominance, fruit and ovule development, seed dormancy, and magnetoreception. Photoexcited cryptochromes interact with signaling partner proteins to alter gene expression at both transcriptional a [...]

Shaggy-related protein kinase eta; Negative regulator in brassinosteroid signal transduction pathway important for plant growth. May be also involved in auxin signaling pathway. Phosphorylates and increases the degradation of BZR1 and BZR2/BES1 by the proteasome. Phosphorylates BHLH150, beet curly top virus C4 and tomato golden mosaic virus AC4 on threonine and serine residues. Upon brassinosteroid signaling, inhibits stomatal development by phosphorylating and inhibiting the MAPKK kinase YDA and the MAPK kinases MKK4 and MKK5. Phosphorylates BSK1, BSK3, BSK5, BSK6, BSK8 AND BSK11 in v [...]

Serine/threonine-protein kinase SRK2E; Activator of the abscisic acid (ABA) signaling pathway that regulates numerous ABA responses, such as stomata closure in response to drought, darkness, high CO(2), plant pathogens, or decreases in atmospheric relative humidity (RH). Involved in the resistance to drought by avoiding water loss. Required for the stomata closure mediated by pathogen-associated molecular pattern (PAMPs) (e.g. flg22 and LPS) of pathogenic bacteria such as P.syringae pv. tomato (Pst) and E.coli O157:H7. As a plant defense process, stomata are closed transiently in order [...]

Shaggy-related protein kinase theta; May mediate extracellular signals to regulate transcription in differentiating cells; Belongs to the protein kinase superfamily. CMGC Ser/Thr protein kinase family. GSK-3 subfamily.

Plant intracellular Ras-group-related LRR protein 3; Leucine-rich repeat protein that likely mediates protein interactions, possibly in the context of signal transduction. Belongs to the SHOC2 family.

Shaggy-related protein kinase iota; Phosphorylates BSK1, BSK3, BSK5, BSK6, BSK8 AND BSK11 in vitro. May mediate extracellular signals to regulate transcription in differentiating cells (By similarity).

Shaggy-related protein kinase eta; Negative regulator in brassinosteroid signal transduction pathway important for plant growth. May be also involved in auxin signaling pathway. Phosphorylates and increases the degradation of BZR1 and BZR2/BES1 by the proteasome. Phosphorylates BHLH150, beet curly top virus C4 and tomato golden mosaic virus AC4 on threonine and serine residues. Upon brassinosteroid signaling, inhibits stomatal development by phosphorylating and inhibiting the MAPKK kinase YDA and the MAPK kinases MKK4 and MKK5. Phosphorylates BSK1, BSK3, BSK5, BSK6, BSK8 AND BSK11 in v [...]

Serine/threonine-protein kinase ATG1b; Serine/threonine protein kinase involved in autophagy. The ATG1-ATG13 protein kinase complex regulates downstream events required for autophagosome enclosure and/or vacuolar delivery.

Serine/threonine-protein kinase ATG1c; Serine/threonine protein kinase involved in autophagy. The ATG1-ATG13 protein kinase complex regulates downstream events required for autophagosome enclosure and/or vacuolar delivery.

Serine/threonine-protein kinase ATG1b; Serine/threonine protein kinase involved in autophagy. The ATG1-ATG13 protein kinase complex regulates downstream events required for autophagosome enclosure and/or vacuolar delivery.

Sucrose nonfermenting 4-like protein; Regulatory subunit of the probable trimeric SNF1-related protein kinase (SnRK) complex, which may play a role in a signal transduction cascade regulating gene expression and carbohydrate metabolism in higher plants.

Serine/threonine-protein kinase ATG1c; Serine/threonine protein kinase involved in autophagy. The ATG1-ATG13 protein kinase complex regulates downstream events required for autophagosome enclosure and/or vacuolar delivery.

Serine/threonine-protein kinase ATG1b; Serine/threonine protein kinase involved in autophagy. The ATG1-ATG13 protein kinase complex regulates downstream events required for autophagosome enclosure and/or vacuolar delivery.